DISSERTATION & THESES

Tykot, R.H. 1995. Prehistoric Trade in the Western Mediterranean: The Sources and Distribution of Sardinian Obsidian, PhD Dissertation, Department of Anthropology, Harvard University. Complete version in PDF

Tykot, R.H. 1984. A Reexamination and Analysis of the Punic Hearth Ceramics from Ortu Comidu. Master's Thesis, Department of Classics & Archaeology, Tufts University.

Tykot, R.H. 1983. The Effects of Soluble Salts on the Elemental Analysis of Archaeological Ceramics. Senior Honors Thesis, Interdepartmental Archaeology Program, Tufts University.   

BOOKS & JOURNAL ISSUES

11. Tykot, R.H., M.C. Martinelli & A. Vianello (eds.). 2019. Topical Issue on Scientific Studies of Obsidian Sources and Trade. Open Archaeology 5. De Gruyter.

10. Tanasi, D., R.H. Tykot & A. Vianello (eds.). 2017. Topical Issue on Portable XRF in Archaeology and Museum Studies. Open Archaeology 3. De Gruyter.

9. Tykot, R.H. (ed.). 2014. Proceedings of the 38th International Symposium on Archaeometry - May 10th-14th 2010 Tampa, Florida. Open Journal of Archaeometry 2(1).

8. Tykot, R.H. (ed.). 2013. Proceedings of the 38th International Symposium on Archaeometry - May 10th-14th 2010 Tampa, Florida. Open Journal of Archaeometry 1(1).

7. Staller, J.E., R.H. Tykot & B.F. Benz (eds.). 2010. Histories of Maize in Mesoamerica. Multidisciplinary Approaches. Left Coast Press. ISBN 978-1-59874-496-5. Abridgement of Staller, Tykot & Benz 2006. Taylor & Francis.

6. Barberena, R., A.F. Gil, G.A. Neme & R.H. Tykot (eds.). 2009. Stable Isotopes and Archaeology in Southern South America. Hunter-Gatherers, Agriculture and Pastoralism. International Journal of Osteoarchaeology 19(2). Table of Contents. Abstracts and individual papers available online thru Wiley Inter-Science.

5. Vandiver, P., B. McCarthy, R.H. Tykot, J.L.R. Sil & F. Casadio (eds.). 2008. Materials Issues in Art and Archaeology VIII. Warrendale, PA: Materials Research Society Symposium Proceedings 1047. ISBN 978-1-55899-988-6. Abstracts available online. 

4. Staller, J.E., R.H. Tykot & B.F. Benz (eds.). 2006. Histories of Maize: Multidisciplinary Approaches to the Prehistory, Biogeography, Domestication, and Evolution of Maize. Elsevier. ISBN 0-12-369364-0. Table of Contents. Available from Routledge. Reviews in SAS Bulletin 31(3): 1, 25-27 (2006); American Antiquity 73 (2008): 375-376.

3. Tykot, R.H., J. Morter, & J.E. Robb (eds.). 1999. Social Dynamics of the Prehistoric Central Mediterranean. Accordia Specialist Studies on the Mediterranean 3, Accordia Research Centre, University of London. Table of Contents. Reviews in Antiquity 73 (1999): 691; American Antiquity 66 (2001): 552-554.

2. Balmuth, M.S. & R.H. Tykot (eds.). 1998. Sardinian and Aegean Chronology: Towards the Resolution of Relative and Absolute Dating in the Mediterranean. Proceedings of the International Colloquium ‘Sardinian Stratigraphy and Mediterranean Chronology', Tufts University, Medford, Massachusetts, March 17-19, 1995. Studies in Sardinian Archaeology 5. Oxbow Books, Oxford. Table of Contents. Errata. Reviews in Antiquity 73 (1999): 942-944; American Journal of Archaeology 104: 131-132.

1. Tykot, R.H. & T.K. Andrews eds. 1992. Sardinia in the Mediterranean: A Footprint in the Sea. Studies in Sardinian Archaeology Presented to Miriam S. Balmuth. Monographs in Mediterranean Archaeology 3, Sheffield Academic Press, 1992. Reviews in: Antiquity 67 (1993): 937-938; Bulletin of the American Schools of Oriental Research 295 (1994): 93-94; Proceedings of the Prehistoric Society 60 (1994): 455-456; Journal of Field Archaeology 22 (1995): 117-119; L'Anthropologie 100 (1996): 266. https://books.google.com/books/about/Sardinia_in_the_Mediterranean_A_Footprin.html?id=0AfjAAAAMAAJ

REFEREED (*) AND OTHER ARTICLES

*198. Tanasi, D., R.H. Tykot, F. Pirone & N.C. Vella. 2020. Chapter 7. Non-destructive pXRF analysis of Middle Bronze and Iron Age pottery from Malta. In D. Tanasi & D. Cardona (eds.), The Maltese Archipelago at the Dawn of History. Reassessment of the 1909 and 1959 Excavations at Qlejg.a tal-Ba.rija and Other Essays, pp. 109-120. Archaeopress. PDF Full-text

*197. Ashkanani, H., R.H. Tykot, A. Ismail Al-Juboury, C.C. Stremtan, J. Petřík & K. Slavíček. 2020. A Characterization Study of Ubaid Period Ceramics from As-Sabbiya, Kuwait, Using a Non-Destructive Portable X-Ray Fluorescence (pXRF) Spectrometer and Petrographic Analyses. Arabian Archaeology and Epigraphy 31: 3-18. PDF Full-text

*196. Tanasi, D., R.H. Tykot, S. Hassam & A. Vianello. 2019. The Emergence of Copper-Based Metallurgy in the Maltese Archipelago: an archaeometric perspective. STAR: Science & Technology of Archaeological Research 5(2): 127-137.  PDF Full-text

*195. Skaggs, S., R.H. Tykot & T.G. Powis. 2019. Isotopic Analysis of a Newly Discovered Late Classic Ulua Valley Marble Vase Found at the Ancient Maya site of Pacbitun, Belize. Journal of Archaeological Science: Reports 26: 101896. PDF Full-text

*194. Tanasi, D., G. Caso, R.H. Tykot & D. Amoroso. 2019. Petrographic and chemical characterization of Middle Bronze Age pottery from Sicily: Towards a definition of an Etnean production. Rendiconti dei Lincei. Scienze Fisiche e Naturali 30: 319-415.  PDF Full-text

*193. Freund, K.P., S. Amicone, C. Berthold, R.H. Tykot, U. Veronesic & M.R. Manunza. 2019. Early Metallurgy in Sardinia: Characterizing the Evidence from Su Coddu. Archaeological and Anthropological Sciences 11: 6595-6602. PDF Full-text

*192. Arthur, J.W., M.C. Curtis, K.J.W. Arthur, M. Coltorti, P. Pieruccini, J. Lesur, D. Fuller, L. Lucas, L. Conyers, J. Stock, S. Stretton & R.H. Tykot. 2019. The Transition from Hunting-Gathering to Food Production in the Gamo Highlands of Southern Ethiopia. African Archaeological Review 36:5-65. PDF Full-text

*191. Tykot, R.H. 2019. Geological Sources of Obsidian on Lipari and Artifact Production and Distribution in the Neolithic and Bronze Age Central Mediterranean. Open Archaeology 5: 83-105. PDF Full-text

*190. Martinelli, M.C., R.H. Tykot, A. Vianello. 2019. Lipari (Aeolian Islands) obsidian in the Late Neolithic. Artifacts, supply and function. Open Archaeology 5: 46-64. PDF Full-text

*189. Acquafredda, P., F. Micheletti, I.M. Muntoni, M. Pallara & R.H. Tykot. 2019. Petroarchaeometric data on Antiparos obsidians (Greece) for provenance study by SEM-EDS and XRF. Open Archaeology 5: 18-30. PDF Full-text

*188. Foresta Martin, F. & R.H. Tykot. 2019. Characterization and Provenance of Archaeological Obsidian from Pirozza-Spalmatore, a Site of Neolithic Colonization on the Island of Ustica (Sicily). Open Archaeology 5: 4-17. PDF Full-text

*187. Ruka, R., M. Galaty, D. Riebe, R.H. Tykot, I. Gjipali & G. Kourtessi-Philippakis. 2019. pXRF analysis of obsidian artifacts from Albania: Crossroads or cul-de-sac? Journal of Archaeological Science: Reports 24: 39-49. PDF Full-text

*186. Tykot, R.H. Portable X-Ray Fluorescence Spectrometry (pXRF). 2018. In S.L. López Varela (ed.), The SAS Encyclopedia of Archaeological Sciences, pp. 1-5. John Wiley & Sons, Inc. DOI: 10.1002/9781119188230.saseas0481. PDF Full-text

*185. Tykot, R.H., J.J. Herrmann, R. Stein, J. Gaunt, S. Blevins &A.R. Skinner. 2018. Analysis of Classical Marble Sculptures in The Michael C. Carlos Museum, Emory University, Atlanta. In D. Matetić Poljak & K. Marasović (eds.), ASMOSIA XI Interdisciplinary Studies of Ancient Stone, Proceedings of the Eleventh International Conference of ASMOSIA, Split, 18-22 May 2015, pp. 501-508. Split. PDF Full-text

*184. Tykot, R.H., O. Bouzidi, J.J. Herrmann & A. van den Hoek. 2018. Marble on Rome's Southwestern Frontier: Thamugadi and Lambaesis. In D. Matetić Poljak & K. Marasović (eds.), ASMOSIA XI Interdisciplinary Studies of Ancient Stone, Proceedings of the Eleventh International Conference of ASMOSIA, Split, 18-22 May 2015, pp. 467-479. Split. PDF Full-text

*183. Attanasio, D., J.J. Herrmann, R.H. Tykot & A. van den Hoek. 2018. Roman and Early Byzantine Sarcophagi of Calcitic Marble from Thasos in Italy: Ostia and Siracusa. In D. Matetić Poljak & K. Marasović (eds.), ASMOSIA XI Interdisciplinary Studies of Ancient Stone, Proceedings of the Eleventh International Conference of ASMOSIA, Split, 18-22 May 2015, pp. 281-290. Split. PDF Full-text

*182. Herrmann, J.J., R.H. Tykot & A. van den Hoek. 2018. Calcitic Marble from Thasos in the North Adriatic Basin: Ravenna, Aquileia, and Milan. In D. Matetić Poljak & K. Marasović (eds.), ASMOSIA XI Interdisciplinary Studies of Ancient Stone, Proceedings of the Eleventh International Conference of ASMOSIA, Split, 18-22 May 2015, pp. 239-246. PDF Full-text

*181. Tafani, A., K. Peche-Quilichini, R.H. Tykot & J. Cesari. Caractérisation géochimique du matériel céramique de quatre sites corses du Bronze Final du Corse Méridionale au Moyen d’un Spectromètre Portable de Fluorescence à Rayons X. Actes XIIe Rencontres Méridionales de Préhistoire Récente, Bayonne, France, September 27-October 1, 2018, pp. 349-352. PDF Full-text

*180. Tanasi, D., R.H. Tykot, F. Pirone & E. McKendry. 2018. Chemical characterization of EBA/MBA pottery from Ognina (Sicily). A comparison of XRF and pXRF for analysis of ancient pottery. In E. Herring & E. O’Donaghue (eds.), The Archaeology of Death. Proceedings of the Seventh Conference of Italian Archaeology held at the National University of Ireland, Galway, April 16-18, 2016. Papers in Italian Archaeology VII: 590-598. Archaeopress. PDF Full-text

*179. Price, T.D., V. Tiesler, W.J. Folan & R.H. Tykot. 2018. Calakmul as a Central Place: Isotopic Insights on Urban Maya Mobility and Diet During the First Millennium AD. Latin American Antiquity 29(3): 439-454. PDF Full-text

*178. Brown, K.A., R.H. Tykot & I.M. Muntoni. 2018. Obsidian in the Tavoliere, Southeastern Italy - A First Regional Study. Journal of Archaeological Science: Reports 20: 284-292. Corrigendum published in JAS:R. PDF Full-text

*177. Alizadeh, K., S. Samei, K. Mohammadkhani, R. Heidari & R.H. Tykot. 2018. Craft Production at Köhne Shahar, a Kura-Araxes Settlement in Iranian Azerbaijan. Journal of Anthropological Archaeology 51: 127-143. PDF Full-text

*176. Killgrove, K. & R.H. Tykot. 2018. Diet and Collapse: A Stable Isotope Study of Imperial-era Gabii (1st-3rd centuries AD). Journal of Archaeological Science: Reports 19: 1041-1049. PDF Full-text

175. Tykot, R.H. 2018. Obsidian Artifacts: Origin of the Raw Material. In Special Place, Interesting Times: The island of Palagruza and Transitional Periods in Adriatic Prehistory, pp. 84-87. Archaeopress. PDF Full-text

174. Lai, L., O. Fonzo, E. Usai, L. Medda, R.H. Tykot, E. Goddard, D. Hollander & G. Tanda. 2017. Diet and ritual in the western Mediterranean Copper Age: human and animal stable isotopes from the collective burial at S. Caterina di Pittinuri (Sardinia, Italy). In T. Tomé,  M. Díaz-Zorita Bonilla, A.M. Silva, C. Cunha & R. Boaventura (eds.), Current Approaches to Collective Burials in the Late European Prehistory, pp. 67-77. Proceedings of the XVII World UISPP Congress, Burgos (Spain), 1-7 September, 2014. PDF Full-text

*173. Tanasi, D., R.H. Tykot, A. Vianello & S. Hassam. 2017. Stable isotope analysis of the dietary habits of a Greek community in Archaic Syracuse (Sicily): a pilot study. Science and Technology of Archaeological Research 3(2): 466-477. PDF Full-text

172. Tykot, R.H. 2017. Lo scambio dell’ossidiana nel territorio lagunare. In N. Negroni Catacchio, M. Cardosa & A. Dolfini (a cura di), Paesaggi d’Acque: La Laguna di Orbetello e il Monte Argentario tra Preistoria ed Età Romana, pp. 280-283. Centro Studi di Preistoria e Archeologia, Milano. PDF Full-text

*171. Tykot, R.H. 2017. Investigating Ancient "Bronzes:" Non-Destructive Analysis of Copper-Based Alloys. In J.M. Daehner, K. Lapatin & A.Spinelli (eds.),  Artistry in Bronze: The Greeks and Their Legacy. XIXth International Congress on Ancient Bronzes, pp. 289-299. The J. Paul Getty Museum and the Getty Conservation Institute, Los Angeles. PDF Full-text

*170. Waterman, A.J., J. Beck, J.T. Thomas & R.H. Tykot. 2017. Stable Isotope Analysis of Human Remains from Los Millares Cemetery (Almería, Spain, 3200-2200 CAL BC.): Regional Comparisons and Dietary Variability. Menga. Revista de Prehistoria de Andalucía 8: 14-27. PDF Full-text

*169. Díaz-del-Río, P., A.J. Waterman, J.T. Thomas, D.W. Peate, R.H. Tykot, M.I. Martínez Navarrete & J.M. Vicent. 2017. Diet change and mobility patterns in the Late Prehistory of Central Iberia (4000-1400 cal BC). The evidence of radiogenic (87Sr/86Sr) and stable (δ18O, δ13C) isotope ratios. Archaeological and Anthropological Sciences 9: 1439-1452. PDF Full-text

*168. Tykot, R.H. 2017. A Decade of Portable (Hand-Held) X-Ray Fluorescence Spectrometer Analysis of Obsidian in the Mediterranean: Many Advantages and Few Limitations. MRS Advances 2(33-34): 1769-1784. PDF Full-text

*167. Vianello, A. & R.H. Tykot. 2017. Investigating Technological Changes in Copper-Based Metals Using Portable XRF Analysis. A Case Study in Sicily. Open Archaeology 3: 392-408. PDF Full-text

*166. Tykot, R.H. 2017. Obsidian Studies in the Prehistoric Central Mediterranean: After 50 Years, What Have We Learned and What Still Needs to Be Done? Open Archaeology 3: 264-278. PDF Full-text

*165. Marino, S., E. Natali, R.H. Tykot & A. Vianello. 2017. PXRF determination of the obsidian industry from the S-F area of Piani della Corona EBA settlement (Bagnara Calabra - RC, South Italy). Open Archaeology 3: 255-262. PDF Full-text

*164. Raudino, A., R.H. Tykot & A. Vianello. 2017. Monte Finocchito and Heloros Pottery Production: New Evidence through Technological Studies and Material Analysis. Open Archaeology 3: 247-254. PDF Full-text

*163. Tanasi, D., R.H. Tykot, F. Pirone & E. McKendry. 2017. Provenance study of prehistoric ceramics from Sicily: a comparative study between pXRF and XRF. Open Archaeology 3: 222-234. PDF Full-text

*162. Pirone, F.S. & R.H. Tykot. 2017. Trace Elemental Characterization of Maltese Pottery from the Late Neolithic to Middle Bronze Age. Open Archaeology 3: 202-221. PDF Full-text

161. Tykot, R.H., A. Vianello & M.D. Colombo. 2017. Ficora di Mora, Tenuta di Nola (Venafro, IS). Notiziario di Preistoria e Protostoria 4.II: 54-56. PDF Full-text

*160. Herrmann, J.J., Jr., R.H. Tykot & A. van den Hoek. 2017. Colored marble column shafts in Algeria. Thiasos Monografie 9: 777-788. PDF Full-text

*159. Díaz-del-Río, P., S. Consuegra, J. Audije, S. Zapata, Ó. Cambra, A. González, A. Waterman, J. Thomas, D. Peate, C. Odriozola, R. Villalobos, P. Bueno, R.H. Tykot. Un enterramiento colectivo en cueva del III milenio AC en el centro de la Península Ibérica:  El Rebollosillo (Torrelaguna, Madrid) / A third millennium BC collective burial cave in central Iberia: El Rebollosillo (Torrelaguna, Madrid). Trabajos de Prehistoria 74(1):68-85. PDF Full-text

*158. Freund, K.P., R.H. Tykot & A. Vianello. 2017. Contextualizing the Role of Obsidian in Chalcolithic Sicily (c. 3500 - 2500 BC). Lithic Technology 42: 35-48. PDF Full-text

157. Vianello, A. & R.H. Tykot. 2016. Exchange Networks from Close-Up: The Case of Lipari Obsidian. Journal of Lithic Studies 3(2): 1-16. PDF Full-text

*156. Waterman, A.J., R.H. Tykot & A.M. Silva. 2016. Stable Isotope Analysis of Diet-Based Social Differentiation at Late Prehistoric Collective Burials in Southwestern Portugal. Archaeometry 58: 131-151. PDF Full-text

155. Tafani, A. & R.H. Tykot. 2016. Caractérisation géochimique des céramiques de la structure 6 de Cuciurpula au moyen d'un spectromètre portable de fluorescence à rayons X. In K. Peche-Quilichini, S. Delvaux & T. Lachenal (eds.) and L. Boutoille, C. Delefosse, L. Drieu, B. Gratuze, A.-L. Grevey, M. Lambert, L. Martin, V. Py, M. Rageot, M. Regert, A. Tafani, R. Tykot &  P. von Eles (collaborators), Cuciurpula. Communes de Serra-di-Scopamene et De Sorbollano (Corse-du-sud). Rapport De Fouille Triannuelle 2013-2015, pp. 269-274. Direction Régionale des Affaires Culturelles, Service Régional de l’Archéologie. PDF Full-text

*154. Alexander, C., K.A. Brown, A. di Micheli, T. Mattttioli, K.P. Freund, M. Hofer, I.M. Muntoni & R.H. Tykot. 2016. The Archaeometry of Tavoliere Neolithic ceramics: a project update. In A. Gravina (ed.), Atti – 36̊ Convegno Nazionale sulla Preistoria, Protostoria, Storia della Daunia. San Severo 15 - 16 novembre 2015, 33-44. San Severo. PDF Full-text

153. Lanehart, R. & R.H. Tykot. 2016. Shiwu Jiegou Fenxi (Results from Analysis of Food and Diet). In Chinese-American Collaborative Team L. Fengshi, A. Underhill, Y. Haiguang, F. Hui, C. Fengshu, W. Fen & G. Cunnar (eds.), Liangchengzhen: 1998-2001 Excavation Report. Vol. III: 1045-1047. Wenwu: Cultural Relics Press. PDF Full-text

*152. Bastos, M.Q.R., R.V. Santos, S.M.F. Mendonça de Souza, C. Rodrigues-Carvalho, R.H. Tykot, D.C. Cook & R.V. Santos. Isotopic study of geographic origins and diet of enslaved Africans buried in Brazilian Cemeteries. Journal of Archaeological Science 70: 82-90. PDF Full-text

151. Tafani, A. and R.H. Tykot. 2016. Caractérisation géochimique des céramiques au moyen d'un spectromètre portable de fluorescence à rayons X (pXRF). In Kewin Peche-Quilichini, Ludovic Bellot-Gurlet, Charlène Delefosse, Sarah Laurent, Céline Paris, Maxime Seguin, Aurélien Tafani, Robert Thernot, Robert H. Tykot. Cuccuruzzu (Lévie, Corse-du-Sud), Rapport de fouille préventive 2015, 57-62. INRAP. PDF Full-text

*150. Tykot, R.H. 2016. Using Non-Destructive Portable X-Ray Fluorescence Spectrometers on Stone, Ceramics, Metals, and Other Materials in Museums: Advantages and Limitations. Applied Spectroscopy 70(1): 42-56. PDF Full-text

*149. Waterman, A.J., K.T. Lillios, R.H. Tykot & M. Kunst. 2016. Environmental Change and Economic Practices Between the Third and Second Millennia BC Using Isotope Analyses of Ovicaprid Remains from the Archaeological Site of Zambujal (Torres Vedras), Portugal. Journal of Archaeological Science: Reports 5: 181-189. PDF Full-text

*148. Freund, K.P., R.H. Tykot & A. Vianello. 2015. Blade production and the consumption of obsidian in Stentinello period Neolithic Sicily. Comptes Rendus Palevol 14: 207-217. PDF Full-text

*147. Bastos, M.Q.R., R.V. Santos, R.H. Tykot, S.M.F. Mendonça de Souza, C. Rodrigues-Carvalho & A. Lessa. 2015. Isotopic evidences regarding migration at the Archeological Site of Praia da Tapera: New data to an old matter. Journal of Archaeological Science: Reports 4: 588-595. PDF Full-text

146. Tykot, R.H. 2015. Obsidian Lithics Tested by XRF. In Ancient Near Eastern Studies suppplement 48: 471. Tas-Silġ, Marsaxlokk (Malta) I: Archaeological Excavations Conducted by the University of Malta, 1996-2005. Edited by A. Bonanno & N.C. Vella. Belgium: Peeters.

*145. Herrmann, J.J. Jr., R.H. Tykot, A. van den Hoek, D. Atttanasio & P. Blanc. 2015. Multimethod Marble Identification for Figural Sculpture in Hippo Regius (Annaba, Algeria). In  P. Pensabene & E. Gasparini (eds.), Interdisciplinary Studies on Ancient Stone. ASMOSIA X. Proceedings of the Tenth International Conference of ASMOSIA, Association for the Study of Marble & Other Stones in Antiquity, Rome, 21-26 May 2012, 163-169. L’Erma di Bretschneider. PDF Full-text

*144. Herrmann, J.J. Jr., R.H. Tykot, D. Attanasio, P. Blanc & A. van den Hoek. 2015. Isotopic Testing of Marble for Figural Sculpture at Guelma, Algeria: Strategies and Preliminary Results. In  P. Pensabene & E. Gasparini (eds.), Interdisciplinary Studies on Ancient Stone. ASMOSIA X. Proceedings of the Tenth International Conference of ASMOSIA, Association for the Study of Marble & Other Stones in Antiquity, Rome, 21-26 May 2012, 739-752. L’Erma di Bretschneider. PDF Full-text

143. Tykot, R.H. & A. Vianello. 2015. Primi dati sulla dieta degli individui della necropoli di Contrada Scintilia. In Storie Sepolte. Riti, culti e vita quotidiana all'alba del IV millennio a.C. La necropoli dell'eta del rame di contrada Scintilia di Favara (D. Gulli, ed.), pp. 55-59. Regione Siciliana, Palermo. PDF Full-text

*142. Bastos, M.Q.R., A. Lessa, C. Rodrigues-Carvalho, R.H. Tykot, R.V. Santos. 2014. Análise de isótopos de carbono e nitrogênio: a dieta antes e após a presença de cerâmica no sítio Forte Marechal Luz. Revista do Museu de Arqueologia e Etnologia da Universidade de São Paulo 24: 137-151. PDF Full-text

140. Tykot, R.H. 2014. Utilizzo e Commercio dell’Ossidiana in Adriatico / Obsidian Use and Trade in the Adriatic. In P. Visentini & E. Podrug (eds.), Adriatico Senza Confini. Via di comunicazione e crocevia di popoli nel 6000 a.C. / The Adriatic, A Sea Without Borders. Communication routes of populations in 6000 BC, pp. 170-181, 224-225. Udine, Italy. PDF Full-text

*139. Delgado Burbano, M., C. Langebaek, L. Aristizabal, R.H. Tykot & Lauren Johnson. 2014. Indicadores Bioquímicos de Dieta en Tibanica, un Poblado Muisca Tardío en la Sabana de Bogotá (Colombia): Isótopos Estables (δ13Ccol, δ13Cap y δ15N) y Elementos Traza (Ba y Sr). In L.H. Luna, C.M. Aranda y J.A. Suby (eds.), Avances Recientes de la Bioarqueología Latinoamericana, 103-128. Ciudad Autónoma de Buenos Aires: Grupo de Investigación en Bioarqueología. PDF Full-text

*138. McCaffery, H., R.H. Tykot, K. Durand Gore & B.R. DeBoer. 2014. Stable Isotope Analysis of Turkey (Meleagris gallopavo) Diet from Pueblo II and Pueblo III Sites, Middle San Juan Region, Northwest New Mexico. American Antiquity 79: 337-352. PDF Full-text

*137. Stremtan, C., H. Ashkanani, R.H. Tykot, & M. Puscas. 2014. Constructing a Database for pXRF, XRD, ICP-MS and Petrographic Analyses of Bronze Age Ceramics and Raw Materials from Failaka Island (Kuwait). In R.B. Scott, D. Braekmans, M. Carremans & P. Degryse (eds.), Proceedings of the 39th International Symposium for Archaeometry, pp. 274-279. Leuven, Belgium: Centre for Archaeological Sciences, KU Leuven. PDF Full-text

135. Tykot, R.H. 2014. Bone Chemistry and Ancient Diet. In C. Smith (ed.), Encyclopedia of Global Archaeology. Archaeological Science section, pp. 931-941. Springer. PDF Full-text

*134. Bonomo, M.F., J.P. Lowry, R.H. Tykot & J.A. Gifford. 2014. An Exploratory Non-Destructive Provenance Analysis of Two Middle Archaic Greenstone Pendants from Little Salt Spring, Florida, USA. Geoarchaeology: An International Journal 29: 121-137. PDF Full-text

*133. Waterman, A.J., A.M. Silva & R.H. Tykot. 2014. Stable isotopic indicators of diet from two Late Prehistoric burial sites in Portugal: an investigation of dietary evidence of social differentiation. Open Journal of Archaeometry 2(5258): 22-27. PDF Full-text

*132. Gil, A., G. Neme, A. Ugan & R.H. Tykot. 2014. Oxygen Isotopes and Human Residential Mobility in Central Western Argentina. International Journal of Osteoarchaeology 24: 31-41. PDF Full-text

*131. Lai, L., R.H. Tykot, E. Usai, J.F. Beckett, R. Floris, O. Fonzo, E. Goddard, D. Hollander, M.R. Manunza, A. Usai. 2013. Diet in the Sardinian Bronze Age: models, collagen isotopic data, issues and perspectives. Préhistoires Méditerranéennes 4 (URL: http://pm.revues.org/795). PDF Full-text

*130. Ashkanani, H. & R.H. Tykot. 2013. Interregional interaction and Dilmun Power in the Bronze Age: A provenance study of ceramics from Bronze Age sites in Kuwait, and Bahrain using non-destructive pXRF analysis. In R.A. Armitage & J.H. Burton (eds.), Archaeological Chemistry VIII. ACS Symposium Series 1147:245-267. PDF Full-text

*129. Tykot, R.H., N.M. White, J.P. DuVernay, J.S. Freeman, C.T. Hays, M. Koppe, C.N. Hunt, R.A. Weinstein & D.S. Woodward. 2013. Advantages and Disadvantages of pXRF for Archaeological Ceramic Analysis: Prehistoric Pottery Distribution and Trade in NW Florida. In R.A. Armitage & J.H. Burton (eds.), Archaeological Chemistry VIII. ACS Symposium Series 1147:233-244. PDF Full-text

128. Atzeni, E., A. Usai, P. Bellintani, O. Fonzo, L. Lai, R. Tykot, T.J. Setzer, R. Congiu & S. Simbula. 2013. Le tombe nuragiche di Sa Sedda ‘e sa Caudela (Collinas - CA). Scavi 1982-84. Quaderni 23: 28-54. Ministero per i Beni e le Attività Culturali. Soprintendenza per i Beni Archeologici per le Province di Cagliari e Oristano. PDF Full-text

*127. Tykot, R.H., K.P. Freund & A. Vianello. 2013. Source Analysis of Prehistoric Obsidian Artifacts in Sicily (Italy) using pXRF. In R.A. Armitage & J.H. Burton (eds.), Archaeological Chemistry VIII. ACS Symposium Series 1147:195-210. PDF Full-text

*126. Killgrove, K. & R.H. Tykot. 2013. Food for Rome: A Stable Isotope Investigation of Diet in the Imperial Period (1st–3rd Centuries AD). Journal of Anthropological Archaeology 32: 28-38. PDF Full-text

*125. Atzeni, E., A. Usai, P. Bellintani, O. Fonzo, L. Lai, R. Tykot, T.J. Setzer, R. Congiu, S. Simbula. 2012. Le tombe megalitiche nuragiche di Sa Sedda ‘e sa Caudela (Collinas - CA). In Atti della XLIV Riunione Scientifica dell’Istituto Italiano di Preistoria e Protostoria, Cagliari, Barumini, Sassari, 23-28 November 2009, pp. 665-70. Florence, Istituto Italiano di Preistoria e Protostoria. PDF Full-text

*124. Lambert, P.M., C.M. Gagnon, B.R. Billman, J. Carcelan, M.A. Katzenberg & R.H. Tykot. 2012. Bone chemistry at Cerro Oreja: A Stable Isotope Perspective on a Model of State Origins in the Moche Valley, Perú. Latin American Antiquity 23: 144-166. PDF Full-text

*123. Gil, A., G. Neme, A. Ugan & R.H. Tykot. 2012. Isótopos estables (13C, 15N y 18O) en la arqueología del sur de Mendoza. In A. Gil & G. Neme (eds.), Paleoecología humana en el sur de Mendoza: perspectivas arqueológicas, pp. 135-156. Buenos Aires: Sociedad Argentina de Antropología. PDF Full-text

*122. Herrmann, Jr., J.J., D. Attanasio, R.H. Tykot & A. van den Hoek. 2012. Aspects of the Trade in Colored Marbles in Algeria. L’Africa Romana 19: 1331-1342. PDF Full-text

*121. Herrmann, Jr., J.J., D. Attanasio, R.H. Tykot & A. van den Hoek. 2012. Aspects of the Trade in White and Gray Architectural Marbles in Algeria. L’Africa Romana 19: 1315-1330. PDF Full-text

*120. Price, T.D., J.H. Burton, A. Cucina, P. Zabala, R.H. Tykot & V. Tiesler. 2012. Isotopic Studies of Human Skeletal Remains from a 16th-17th Century AD Churchyard in Campeche, Mexico: Diet, Ethnicity, Place of Origin, and Age. 2012. Current Anthropology 53(4): 396-433, plus electronic supplements A, B, C. PDF Full-text

*119. Herrmann, Jr., J.J., van den Hoek & R.H. Tykot. 2012. Alabastro a Pecorella, Aïn Tekbalet, and Bou Hanifia, Algeria. In A. Gutiérrez Garcia-M., P. Lapuente Mercadal & I. Rodà de Lllanza (eds.), Interdisciplinary Studies on Ancient Stone. Proceedings of the IX Association for the Study of Marbles and Other Stones in Antiquity (ASMOSIA) Conference (Tarragona 2009), pp. 463-470. Tarragona: Institut Català d’Arqueologia Clàssica. PDF Full-text

*118. Herrmann, Jr., J.J., D. Attanasio, R.H. Tykot & A. van den Hoek. 2012. Characterization and Distribution of Marble from Cap de Garde and Mt. Filfila, Algeria. In A. Gutiérrez Garcia-M., P. Lapuente Mercadal & I. Rodà de Lllanza (eds.), Interdisciplinary Studies on Ancient Stone. Proceedings of the IX Association for the Study of Marbles and Other Stones in Antiquity (ASMOSIA) Conference (Tarragona 2009), pp. 300-309. Tarragona: Institut Català d’Arqueologia Clàssica. PDF Full-text

*117. Attanasio, D., A.B. Yavuz, M. Bruno,  J.J. Herrmann, Jr., R.H. Tykot & A. van den Hoek. 2012. On the Ephesian Origin of Greco Scritto Marble. In A. Gutiérrez Garcia-M., P. Lapuente Mercadal & I. Rodà de Lllanza (eds.), Interdisciplinary Studies on Ancient Stone. Proceedings of the IX Association for the Study of Marbles and Other Stones in Antiquity (ASMOSIA) Conference (Tarragona 2009), pp. 245-254. Tarragona: Institut Català d’Arqueologia Clàssica. PDF Full-text

*116. Kidd, B., D. Attanasio, R. Tykot. 2012. Determining White Marble Provenance of Greek and Roman Sculpture in the Museum of Art and Archaeology, University of Missouri. In A. Gutiérrez Garcia-M., P. Lapuente Mercadal & I. Rodà de Lllanza (eds.), Interdisciplinary Studies on Ancient Stone. Proceedings of the IX Association for the Study of Marbles and Other Stones in Antiquity (ASMOSIA) Conference (Tarragona 2009), pp. 238-244. Tarragona: Institut Català d’Arqueologia Clàssica. PDF Full-text

*115. Friedland, E.A. & R.H. Tykot. 2012. Quarry Origins, Commission, and Import of the Marble Sculptures from the Roman Theater in Philadelphia/Amman, Jordan. In A. Gutiérrez Garcia-M., P. Lapuente Mercadal & I. Rodà de Lllanza (eds.), Interdisciplinary Studies on Ancient Stone. Proceedings of the IX Association for the Study of Marbles and Other Stones in Antiquity (ASMOSIA) Conference (Tarragona 2009), pp. 52-60. Tarragona: Institut Català d’Arqueologia Clàssica. PDF Full-text

*114. Ugan, A., G. Neme, A. Gil, J. Coltrain, R.H. Tykot, & P. Novellino. 2012. Geographic Variation in Bone Carbonate and Water δ18O Values in Mendoza, Argentina and their Relationship to Prehistoric Economy and Settlement. Journal of Archaeological Science 39: 2752-2763. PDF Full-text

*113. Porto, I.M., H.J. Laure, R.H. Tykot, F.B. de Sousa, J.C. Rosa & R.F. Gerlach. 2011. Recovery and identification of mature enamel proteins in ancient teeth. European Journal of Oral Sciences 119: 83-87. PDF Full-text

*112. Lai, L., O. Fonzo, R.H. Tykot, E. Goddard, D. Hollander. 2011. Le due comunità di Scaba ’e Arriu (Siddi). Risorse alimentari nella Sardegna del III millennio a.C. indagate tramite analisi isotopiche di tessuti ossei. Studio antropologico dei reperti umani. In Atti della XLIII Riunione Scientifica IIPP. L’età del Rame in Italia. Bologna, 26-29 novembre 2008, pp. 401-408. Firenze: Istituto Italiano di Preistoria e Protostoria. PDF Full-text

*111. Rosen, S.A., R.H. Tykot & M. Gottesman. 2011. The Camel Site Obsidian: Analyses, Synthesis and Implications. In S.A. Rosen, An Investigation into Early Desert Pastoralism: Excavations at the Camel Site, Negev. Monograph 69: 133-146. Cotsen Institute of Archaeology Press. PDF Full-text

*110. Tykot, R.H. 2011. Obsidian Finds on the Fringes of the Central Mediterranean: Exotic or Eccentric Exchange? In A. Vianello (ed.), Exotica in the Prehistoric Mediterranean, 33-44. Oxbow Books. PDF Full-text

109. Friedland, E.A. & R.H. Tykot. 2011. The Quarry Origins of Nine Roman Marble Sculptures from ‘Amman/Philadelphia and Gadara/Umm Qays. Annual of the Department of Antiquities of Jordan 54(2010): 177-187. PDF Full-text

*108. Lanehart, R.E., R.H. Tykot, A.P. Underhill, F. Luan, H. Yu, H. Fang, C. Fengshu, G. Feinman & L. Nicholas. 2011. Dietary Adaptations During the Longshan Period in China: Stable Isotope Analyses at Liangchengzhen (Southeastern Shandong). Journal of Archaeological Science 38: 2171-2181. PDF Full-text

107.  Ramage, M. & R.H. Tykot. 2011. Geologic analysis of Lydian building stones and their quarry sources. In C. Rattè, Lydian Architecture. Ashlar Masonry Structures at Sardis, pp. 127-132. Harvard University Press, Cambridge, Massachusetts. 2011. PDF Full-text

*106. Freund, K.P. & R.H. Tykot. 2011. Lithic Technology and Obsidian Exchange Networks in Bronze Age Nuragic Sardinia (Italy). Archaeological and Anthropological Sciences 3: 151-164. PDF Full-text

*105. “Stable Isotopes and Human Diet in Central Western Argentina” (A.F. Gil, G.A. Neme & R.H. Tykot). Journal of Archaeological Science 38: 1395-1404, 2011. PDF Full-text

*104. “Intra-Site Obsidian Subsource Patterns at Contraguda, Sardinia (Italy)” (R.H. Tykot, L. Lai & C. Tozzi), in I. Turbanti-Memmi (ed.), Proceedings of the 37th International Symposium on Archaeometry, 13th-16th May 2008, Siena, Italy, 321-328. Springer, 2011. PDF Full-text

*103. “Chemical Analysis of Hair Segments and Short-Term Dietary Variation: Results for the Ancient Site of Chongos (Peru)” (R.H. Tykot, A. Metroka, M. Dietz & R.A. Bergfield), in I. Turbanti-Memmi (ed.), Proceedings of the 37th International Symposium on Archaeometry, 13th-16th May 2008, Siena, Italy, 441-446. Springer, 2011. PDF Full-text

*102. “Roman bronze artefacts from Thamusida (Morocco): chemical and phase analyses” (E. Gliozzo, W.A. Kockelmann, L. Bartoli & R.H. Tykot). Nuclear Instruments and Methods in Physics Research Section B 269: 277-283, 2011. PDF Full-text

*101. “Non-invasive Chemical and Phase Analysis of Roman Bronze Artefacts from Thamusida (Morocco)” (E. Gliozzo, R. Arletti, L. Cartechini, S. Imberti, W.A. Kockelmann, I. Memmi, R. Rinaldi & R.H. Tykot). Applied Radiation and Isotopes 68: 2246-51, 2010. PDF Full-text

*100. “A Fisk Patent Metallic Burial Case from Western Missouri: An Interdisciplinary and Comprehensive Effort to Reconstruct the History of an Early Settler of Lexington, Missouri” (D.J. Wescott, K. Brinsko, S.L. Golda, J. Nichols, R. Stewart, R.H. Tykot & L. Zamstein), Archaeological and Anthropological Science 2: 283-305, 2010. PDF Full-text

*99. “Isótopos estables y consumo de maíz en el centro occidente Argentino: tendencias temporales y espaciales” (A.F. Gil, G.A. Neme & R.H. Tykot). Chungara. Revista de Antropología Chilena 42: 497-513, 2010. PDF Full-text

*98. “Explorando tendencias en el uso humano del espacio y los recursos en el litoral rionegrino (Argentina) durante el Holoceno Medio y Tardío” (C.M. Favier Dubois, F. Borella & R.H. Tykot). Arqueología de Patagonia: una mirada desde el último confín. VII Jornadas de Arquelogía de la Patagonia (Ushuaia), 985-997. Editorial Utopías, 2010. PDF Full-text

*97. Tykot, R.H. 2010. Sourcing of Sardinian Obsidian Collections in the Museo Preistorico-Etnografico ‘Luigi Pigorini’ Using Non-Destructive Portable XRF. In C. Lugliè (ed.), L’ossidiana del Monte Arci nel Mediterraneo. Nuovi apporti sulla diffusione, sui sistemi di produzione e sulla loro cronologia. Atti del 5° Convegno internazionale (Pau, Italia, 27-29 Giugno 2008), 85-97. NUR, Ales, 2010. PDF Full-text

*96. “Considering the Source: The Importance of Raw Material Characterization and Provenance in Obsidian Use-Wear Studies” (T.J. Setzer & R.H. Tykot), in C. Lugliè (ed.), L’ossidiana del Monte Arci nel Mediterraneo. Nuovi apporti sulla diffusione, sui sistemi di produzione e sulla loro cronologia. Atti del 5° Convegno internazionale (Pau, Italia, 27-29 Giugno 2008), 71-84. NUR, Ales, 2010. PDF Full-text

*95. “The Importance of Maize to the Yucatan Maya” (E.B. Mansell, R.H. Tykot, D.A. Freidel, B.H. Dahlin & T. Ardren), in J.E. Staller, R.H. Tykot & B.F. Benz (eds.), Histories of Maize in Mesoamerica. Multidisciplinary Approaches, 159-171. Left Coast Press. 2010. Adapted from 2006 publication no. 52.

*94. Tykot, R.H. 2010. Isotope Analyses and the Histories of Maize. In J.E. Staller, R.H. Tykot & B.F. Benz (eds.), Histories of Maize in Mesoamerica. Multidisciplinary Approaches, 130-141. Left Coast Press. 2010. Adapted version of 2006 publication no. 50.

*93. “Pentelic Marble in Central Italy: Isotopic Testing of Neo-Attic Furniture” (J.J. Herrmann, Jr., R.H. Tykot, P. DePaepe & L. Moens), in P. Jockey (ed.), Marbres et autres roches de la Méditerranée antique: études interdisciplinaires / Interdisciplinary Studies on Mediterranean Ancient Marble and Stones, 309-328. Paris: Maisonneuve & Larose. 2009. PDF Full-text

*92. “Parian Marble in Early Christian Times” (J.J. Herrmann, Jr., R.H. Tykot & A. van den Hoek), in P. Jockey (ed.), Marbres et autres roches de la Méditerranée antique: études interdisciplinaires / Interdisciplinary Studies on Mediterranean Ancient Marble and Stones, 723-737. Paris: Maisonneuve & Larose. 2009. PDF Full-text

*91. “Marble Sculptures from the Rhode Island School of Design: Provenance Studies Using Stable Isotope and Other Analyses” (R.H. Tykot, G.E. Borromeo, C.C. Goulet & K. Severson). In Y. Maniatis (ed.), ASMOSIA VII. Proceedings of the 7th International Conference of the Association for the Study of Marble and Other Stones in Antiquity. Bulletin de Correspondance Hellénique Suppl. 51: 523-32, 2009. PDF Full-text

*90. “Some Products from the Dokimeion Quarries: Craters, Tables, Capitals, and Statues” (J. Herrmann & R.H. Tykot). In Y. Maniatis (ed.), ASMOSIA VII. Proceedings of the 7th International Conference of the Association for the Study of Marble and Other Stones in Antiquity. Bulletin de Correspondance Hellénique Suppl. 51: 59-75, 2009. PDF Full-text

89. Stoddart, S., G. Barber, C. Duhig, G. Mann, T. O’Connell, L. Lai, D. Redhouse, R.H. Tykot & C. Malone. 2009. The Human and Animal Remains. In C. Malone, S. Stoddart, A. Bonnano & D. Trump (eds.), Mortuary Customs in Prehistoric Malta. Excavations at the Brochtorff Circle at Xaghra (1987-94), pp. 315-340. Cambridge: McDonald Institute Monographs. PDF Full-text

*88. “Isotopes and Rocks: Geographical Organisation of Southern Patagonian Hunter-Gatherers” (L.A. Borrero, R. Barberena, N.V. Franco, J. Charlin & R.H. Tykot). International Journal of Osteoarchaeology 19: 309-327, 2009. PDF Full-text

*87. “An Approach to Prehispanic Diets in the Pampas during the Early/Middle Holocene” (G. Politis, C. Scabuzzo & R. H. Tykot). International Journal of Osteoarchaeology 19: 266-280, 2009. PDF Full-text

*86. “Stable Isotopes and Maize Consumption in Central Western Argentina” (A.F. Gil, G.A. Neme, R.H. Tykot, P. Novellino, V. Cortegoso & V. Durán). International Journal of Osteoarchaeology 19: 215-236, 2009. PDF Full-text

*85. “Stable Isotopes and Archaeology in Central Chile: Methodological Insights and Interpretive Problems for Dietary Reconstruction” (R.H. Tykot, F. Falabella, M.T. Planella, E. Aspillaga, L. Sanhueza & C. Becker ). International Journal of Osteoarchaeology 19: 156-170, 2009. PDF Full-text

*84. “Stable Isotopes and Archaeology in Southern South America. Hunter-Gatherers, Pastoralism, and Agriculture: An Introduction” (R. Barberena, A. Gil, G. Neme & R.H. Tykot). International Journal of Osteoarchaeology 19: 127-129, 2009. PDF Full-text

*83. “Stable Isotope and Trace Element Analysis of Animal and Human Remains from Garhwal Himalaya: Palaeodietary Reconstruction” (S. Kumar Juyal, V. Nautiyal, R.H. Tykot, T. O’Connell & K. Privat). Journal of Interdisciplinary Studies in History and Archaeology 2: 239-286, 2008. PDF Full-text

*82. “Shandong Rizhao Liangchengzhen Yizhi Longshan Wenhua Xianmin Shipu de Wending Tongweisu Fenxi (A Stable Isotope Analysis of the Longshan People's Diet at the Liangchengzhen Site in Rizhao City, Shandong),” R.E. Lanehart, R.H. Tykot, Fang Hui, Luan Fengshi, Yu Haiguang, Wen De An (Anne Underhill), G. Feinman & L. Nicholas. Kaogu 8: 55-61, 2008. PDF Full-text

*81. “Obsidian Subsources Utilized at Sites in Southern Sardinia (Italy)” (R.H. Tykot, M.D. Glascock, R.J. Speakman, E. Atzeni), in P.B. Vandiver, B. McCarthy, R.H. Tykot, J.L. Ruvalcaba-Sil & F. Casadio (eds.), Materials Issues in Art and Archaeology VIII. Materials Research Society Symposium Proceedings 1047: 175-183, 2008. PDF Full-text

*80. “El maíz (Zea mays) en el mundo prehispánico de Chile central” (F. Falabella, M.T. Planella & R.H. Tykot), Latin American Antiquity 19(1): 25-46, 2008. PDF Full-text

79. "Isótopos estables, dieta y uso del espacio en la costa atlántica centro-septentrional y el valle inferior del río Chubut (Patagonia, Argentina)" (J. Otero, R. Tykot & N. Falk). In  F. Morello, M. Martinic, A. Prieto & G. Bahamondes (eds.),  Arqueología de Fuego-Patagonia. Levantando Piedras, Desenterrando Huesos… y Develando Arcanos, 151-161. CEQUA: Universidad de Magallanes, Punta Arenas. 2007. PDF Full-text

*78. “Genetic variation in prehistoric Sardinia” (D. Caramelli, C. Vernesi, S. Sanna, L. Sampietro, M. Lari, L. Castrì, G. Vona, R. Floris, P. Francalacci, R. Tykot, A. Casoli, J. Bertranpetit, C. Lalueza-Fox, G. Bertorelle & G. Barbujani). Human Genetics 122: 327-336, 2007. PDF Full-text

*77. “Celebrating Place Through Luxury Craft Production: Travesìa and Ulúa style marble vases” (C. Luke & R.H. Tykot). Ancient Mesoamerica 18: 315-328, 2007. PDF Full-text

*76. “Stable Isotopes as Indicators of Change in the Food Procurement and Food Preference of Viking Age and Early Christian Populations on Gotland (Sweden)” (S. Kosiba, R.H. Tykot, & D. Carlsson). Journal of Anthropological Archaeology 26: 394-411, 2007. PDF Full-text

75. Tykot, R.H. 2007. Early Neolithic obsidian trade in Sardinia: the Coastal Site of Santa Caterina di Pittinuri(Cuglieri - OR). In C. Tozzi & M.C. Weiss (a cura di), Préhistoire et protohistoire de l’aire tyrrhénienne/Preistoria e protostoria dell’area tirrenica, 217-220. Unione Europea, Interreg III A Francia - Italia, “Isole” Toscana, Corsica, Sardegna. ASSE III - Scambi transfrontalieri Misura 3.1. Felici Editori. PDF Full-text

*74. Selected Applications of Laser Ablation ICP-MS to Archaeological Research “Laser Ablation ICP-MS Characterization of Archaeological Materials for Provenance-Based Research” (R.J. Speakman, M.D. Glascock, R.H. Tykot, C. Descantes, J.J. Thatcher, C.E. Skinner, K.M. Lienhop), in M.D. Glascock, R.J. Speakman & R.S. Popelka-Filcoff (eds.), Archaeological Chemistry: Analytical Techniques and Archaeological Interpretation. ACS Symposium Series Series 968: 275-296. Washington, DC: American Chemical Society. 2007. PDF Full-text

*73. “Interpreting Stable Isotopic Analyses: Case Studies on Sardinian Prehistory” (L. Lai, R.H. Tykot, J.F. Beckett, R. Floris, O. Fonzo, E. Usai, M.R. Manunza, E. Goddard & D. Hollander), in M.D. Glascock, R.J. Speakman & R.S. Popelka-Filcoff (eds.), Archaeological Chemistry: Analytical Techniques and Archaeological Interpretation. ACS Symposium Series 968: 114-136. Washington, DC: American Chemical Society. 2007. PDF Full-text

*72. “Dieta en sociedades alfareras de Chile Central: aporte de análisis de isótopos estables” (F. Falabella, M.T. Planella, E. Aspillaga, L. Sanhueza & R.H. Tykot), Chungara, Revista de Antropología Chilena 39(1): 5-27, 2007. PDF Full-text

*71. “Ossidiana da Lipari: le fonti, la distribuzione, la tipologia e le tracce d'usura” (R.H. Tykot, M.R. Iovino, M.C. Martinelli & L. Beyer). Atti del XXXIX Riunione Scientifica dell’Istituto Italiano di Preistoria e Protostoria: Materie prime e scambi nella preistoria italiana, Firenze, 25-27 November 2004, 592-597. Firenze. 2006. PDF Full-text

*70. “Nuovi risultati sulla provenienza dell'ossidiana del sito neolitico recente di Contraguda (Sardegna)” (L. Lai, R.H. Tykot & C. Tozzi). Atti del XXXIX Riunione Scientifica dell’Istituto Italiano di Preistoria e Protostoria: Materie prime e scambi nella preistoria italiana, Firenze, 25-27 November 2004, 598-602. Firenze. 2006. PDF Full-text

*69. “Isotopos Estables y Dieta Humana en el Centro Oeste: Datos de Muestras de San Juan” (A. Gil, N. Shelnut, G. Neme, R.H. Tykot, T. Michieli, C. Teresa). Cazadores Recolectores Sudamericanos 1: 151-163, 2006. PDF Full-text

68. “Stable carbon and oxygen isotope analysis of mussel shells from 41MM341" (E.F. Gadus & R.H. Tykot), in Data Recovery Excavations at the J. B. White Site (41MM341), Milam County, Texas, pp. 219-226. Archaeological Studies Program, Report No. 87, Texas Department of Transportation, and Reports of Investigations, Number 145, Prewitt and Associates, Inc. 2006.

*67. “The Importance of Maize in Initial Period and Early Horizon Peru” (R.H. Tykot, R. Burger & N.J. van der Merwe), in J.E. Staller, R.H. Tykot & B.F. Benz (eds.), Histories of Maize: Multidisciplinary Approaches to the Prehistory, Linguistics, Biogeography, Domestication, and Evolution of Maize, 187-197. Academic Press (Elsevier). 2006. PDF Full-text

*66. “The Importance of Maize in Florida Through the Contact Period” (J.A. Kelly, R.H. Tykot & J.T. Milanich), in J.E. Staller, R.H. Tykot & B.F. Benz (eds.), Histories of Maize: Multidisciplinary Approaches to the Prehistory, Linguistics, Biogeography, Domestication, and Evolution of Maize, 249-261. Academic Press (Elsevier). 2006. PDF Full-text

*65. “The Importance of Maize to the Yucatan Maya” (E.B. Mansell, R.H. Tykot, D.A. Freidel, B.H. Dahlin & T. Ardren), in J.E. Staller, R.H. Tykot & B.F. Benz (eds.), Histories of Maize: Multidisciplinary Approaches to the Prehistory, Linguistics, Biogeography, Domestication, and Evolution of Maize, 173-185. Academic Press (Elsevier). 2006. PDF Full-text

*64. “Maize on the Frontier: Isotopic and Macrobotanical Data from Central-Western Argentina” (A. Gil, R.H. Tykot, G.A. Neme, & N.R. Shelnut), in J.E. Staller, R.H. Tykot & B.F. Benz (eds.), Histories of Maize: Multidisciplinary Approaches to the Prehistory, Linguistics, Biogeography, Domestication, and Evolution of Maize, 199-214. Academic Press (Elsevier). 2006. PDF Full-text

*63. Tykot, R.H. 2006. Isotope Analyses and the Histories of Maize. In J.E. Staller, R.H. Tykot & B.F. Benz (eds.), Histories of Maize: Multidisciplinary Approaches to the Prehistory, Linguistics, Biogeography, Domestication, and Evolution of Maize, 131-142. Academic Press (Elsevier). PDF Full-text

*62. “Petrographic and Stable Isotope Analyses of Late Classic Ulúa Marble Vases and Potential Sources” (C. Luke, R.H. Tykot & R.W. Scott). Archaeometry 48(1): 13-29, 2006. PDF Full-text

*61. “Identification and Characterization of the Obsidian Sources on the Island of Palmarola, Italy” (R.H. Tykot, T. Setzer, M.D. Glascock & R.J. Speakman). Geoarchaeological and Bioarchaeological Studies 3: 107-111, 2005. PDF Full-text

*60. “Source Analysis and the Socioeconomic Role of Obsidian Trade in Northern Italy: New Data from the Middle Neolithic Site of Gaione (R.H. Tykot, A.J. Ammerman, M. Bernabò Brea, M.D. Glascock & R.J. Speakman). Geoarchaeological and Bioarchaeological Studies 3: 103-106, 2005. PDF Full-text

*59. “Ceramic Production and Distribution in Late Iron Age Italy: An Example from the Mugello Basin” (J.J. Winkler, R.H. Tykot & P.G. Warden). Geoarchaeological and Bioarchaeological Studies 3: 283-286, 2005. PDF Full-text

*58. “Stable Isotope Analysis and Subsistence Adaptations along the Gulf Coast of Florida from the Archaic through Safety Harbor Periods” (R.H. Tykot, J.A. Kelly & J.T. Milanich). Geoarchaeological and Bioarchaeological Studies 3: 517-520, 2005. PDF Full-text

57. “Dieta e Società a Is Calitas (Soleminis): Il Contributo degli Isotopi Stabili” (L. Lai, R.H. Tykot, M.R. Manunza, E. Usai, E. Goddard, D. Hollander). In M.R. Manunza (a cura di), Cuccuru Cresia Arta. Indagini Archeologiche a Soleminis, pp. 193-202. Grafica del Parteolla, Dolianova. 2005. PDF Full-text

*56. “Long Distance Trinket Trade: Early Bronze Age Obsidian from the Negev” (S.A. Rosen, R.H. Tykot & M. Gottesman), Journal of Archaeological Science 32: 775-784, 2005. PDF Full-text

*55. Tykot, R.H. 2004. L’esatta provenienza dell’ossidiana e i modelli di diffusione nel Mediterraneo centrale durante il Neolitico. In L’ossidiana del Monte Arci nel Mediterraneo: recupero dei valori di un territorio (a cura di P. Castelli, B. Cauli, F. Di Gregorio, C. Lugliè, G. Tanda & C. Usai), pp. 118-132. Tipografia Ghilarzese, Ghilarza. PDF Full-text

*53. “Inorganic raw materials economy and provenance of chipped industry in some stone age sites of northern and central Italy” (A. Bietti, G. Boschian, G.M. Crisci, E. Danese, A.M. De Francesco, M. Dini, F. Fontana, A. Giampietri, R. Grifoni, A. Guerreschi, J. Liagre, F. Negrino, G. Radi, C. Tozzi & R. Tykot). Collegium Antropologicum 28: 41-54, 2004. PDF Full-text

*52. Tykot, R.H. 2004. Neolithic Exploitation and Trade of Obsidian in the Central Mediterranean: New Results and Implications for Cultural Interaction. In Acts of the XIVth UISPP Congress, University of Liège, Belgium, 2-8 September 2001. Section 9: The Neolithic in the Near East and Europe. BAR International Series 1303:25-35. Oxford: Archaeopress. PDF Full-text

51. “Academic Archaeology is Public Archaeology” by N.M. White, B.R. Weisman, R.H. Tykot, E.C. Wells, K. L. Davis-Salazar, J.W. Arthur & K. Weedman, The SAA Archaeological Record 4(2): 26-29, 2004. PDF Full-text

*50. Tykot, R.H. 2004. Scientific Methods and Applications to Archaeological Provenance Studies. In M. Martini, M. Milazzo & M. Piacentini(eds.), Physics Methods in Archaeometry. Proceedings of the International School of Physics “Enrico Fermi” Course CLIV, 407-432. Bologna, Italy: Società Italiana di Fisica. PDF Full-text

*49. Tykot, R.H. 2004. Stable Isotopes and Diet: You Are What You Eat. In M. Martini, M. Milazzo & M. Piacentini (eds.), Physics Methods in Archaeometry. Proceedings of the International School of Physics “Enrico Fermi” Course CLIV, 433-444. Bologna, Italy: Società Italiana di Fisica. PDF Full-text

48. Tykot, R.H. 2003. Comments on “Stalk Sugar and the Domestication of Maize” by J. Smalley & M. Blake. Current Anthropology 44(5): 695-696. PDF Full-text

*47. “Nuove analisi dei reperti di ossidiana rinvenuti nella provincia di Livorno” (R.H. Tykot, B.A. Vargo, C. Tozzi & A. Ammerman), Atti del XXXV Riunione Scientifica, Le Comunità della Preistoria Italiana. Studi e Ricerche sul Neolitico e le Età dei Metalli, 1009-1112. Firenze: Istituto Italiano di Preistoria e Protostoria. 2003. PDF Full-text

*45. Tykot, R.H. 2003. Determining the Source of Lithic Artifacts and Reconstructing Trade in the Ancient World. In P.N. Kardulias & R.W. Yerkes (eds.), Written in Stone: The Multiple Dimensions of Lithic Analysis, 59-85. Maryland: Lexington Books. PDF Full-text

44. Tykot, R.H. 2003. Villages of Stone: Sardinia’s Bronze Age Nuraghi. Archaeology Odyssey 6(2):42-55, 58-59. PDF Full-text 

*43. “Isotopic Analysis of Rosso Antico and Bichrome Marble Objects from the Boston Museum” (R.H. Tykot & J.J. Herrmann, Jr.), in L. Lazzarini (ed.), Interdisciplinary Studies on Ancient Stone. ASMOSIA VI, Proceedings of the Sixth International Conference, Venice, June 15-18, 2000, 383-387. Padova: Aldo Ausilio - Bottega d’Erasmo Editore. 2002. PDF Full-text

*42. “Stone Vase Traditions in Mesoamerica: A Case from Honduras” (C.M. Luke, R.A. Joyce, J.S. Henderson & R.H. Tykot), in L. Lazzarini (ed.), Interdisciplinary Studies on Ancient Stone. ASMOSIA VI, Proceedings of the Sixth International Conference, Venice, June 15-18, 2000, 485-496. Padova: Aldo Ausilio - Bottega d’Erasmo Editore. 2002. PDF Full-text

*41. Tykot, R.H. 2002. New Approaches to the Characterization and Interpretation of Obsidian from the Mediterranean Island Sources. In P.B. Vandiver, M. Goodway, J.R. Druzik & J.L. Mass (eds.), Materials Issues in Art and Archaeology VI. Warrendale, PA: Materials Research Society Proceedings 712: 143-157. PDF Full-text

*39. Tykot, R.H. 2002. Contribution of Stable Isotope Analysis to Understanding Dietary Variation among the Maya. In K. Jakes (ed.), Archaeological Chemistry. Materials, Methods, and Meaning. ACS Symposium Series 831, 214-230. Washington, DC: American Chemical Society. PDF Full-text

*38. Tykot, R.H. 2002. Geochemical Analysis of Obsidian and the Reconstruction of Trade Mechanisms in the Early Neolithic Period of the Western Mediterranean. In K. Jakes (ed.), Archaeological Chemistry. Materials, Methods, and Meaning. Washington, DC: ACS Symposium Series 831, 169-184. Washington, DC: American Chemical Society. PDF Full-text

*37. “Analysis of Classical Marble Sculptures in the Toledo Museum of Art” (S.E. Knudsen, C. Craine & R.H. Tykot), in J.J. Herrmann, N. Herz & R. Newman (eds.), ASMOSIA 5: Interdisciplinary Studies on Ancient Stone. Proceedings of the Fifth International Conference of the Association for the Study of Marble and Other Stones in Antiquity, Museum of Fine Arts, Boston, 1998, 231-239. London: Archetype, 2002. PDF Full-text

*36. “Thracian Horsemen: A Provenance Study of Marble Sculpture from Dobrudja, Romania” (M. Pentia, R.H. Tykot, L. Nedelcu & A. Barnea), in J.J. Herrmann, N. Herz & R. Newman (eds.), ASMOSIA 5: Interdisciplinary Studies on Ancient Stone. Proceedings of the Fifth International Conference of the Association for the Study of Marble and Other Stones in Antiquity, Museum of Fine Arts, Boston, 1998, 256-262. London: Archetype, 2002. PDF Full-test

*35. “On the Importation of Monumental Marble to Sardis” (R.H. Tykot & M.H. Ramage), in J.J. Herrmann, N. Herz & R. Newman (eds.), ASMOSIA 5: Interdisciplinary Studies on Ancient Stone. Proceedings of the Fifth International Conference of the Association for the Study of Marble and Other Stones in Antiquity, Museum of Fine Arts, Boston, 1998, 335-339. London: Archetype, 2002. PDF Full-text

*34. “Marble Sources and Artifacts from the Ulua Valley, Honduras” (C. Luke & R.H. Tykot), in J.J. Herrmann, N. Herz & R. Newman (eds.), ASMOSIA 5: Interdisciplinary Studies on Ancient Stone. Proceedings of the Fifth International Conference of the Association for the Study of Marble and Other Stones in Antiquity, Museum of Fine Arts, Boston, 1998, 394-406. London: Archetype, 2002. PDF Full-text

*33. “‘Thasian’ Marble Sculptures in European and American Collections: Isotopic and other Analyses” (R.H. Tykot, J.J. Herrmann Jr., N.J. van der Merwe, R. Newman & K.O. Allegretto), in J.J. Herrmann, N. Herz & R. Newman (eds.), ASMOSIA 5: Interdisciplinary Studies on Ancient Stone. Proceedings of the Fifth International Conference of the Association for the Study of Marble and Other Stones in Antiquity, Museum of Fine Arts, Boston, 1998, 188-195. London: Archetype, 2002. PDF Full-text

*31. “Recipes for Sardinian Bronzes” (M.S. Balmuth & R.H. Tykot). Journal of Roman Archaeology Supplementary Series 39(2): 19-26, 2002. Abstract  PDF Full-text

30. Tykot, R.H. 2002. The Nuragic Civilization of Sardinia - A Link to Ancient Israel? Biblical Archaeology Review 28(3):26. PDF Full-text

*29. Tykot, R.H. 2002. Chemical Fingerprinting and Source-Tracing of Obsidian: The Central Mediterranean Trade in Black Gold. Accounts of Chemical Research 35: 618-627. PDF Full-text

28. Tykot, R.H. 2001. Legacy in Stone. Sardinia’s ubiquitous towers recall a time of fortified farmsteads. Archaeology 54(6):40-43. PDF Full-text

*27. “Dieta a Partir de Isótopos Estables en Restos Óseos Humanos de Patagonia Austral. Estado Actual y Perspectivas” (L.A. Borrero, R.A. Guichón, R. Tykot, J. Kelly, A. Prieto & P. Cardenas). Anales Instituto Patagonia. Serie Ciencias Humanas 29: 119-127, 2001. PDF Full-text

*26. “Nuevas Determinaciones de Isótopos Estables para Tierra del Fuego” (R.A. Guichón, L.A. Borrero, A. Prieto, P. Cárdenas, R.Tykot). Revista de Antropología Biológica 3(1):113-126, 2001. PDF Full-text

*25. “Diet and Animal Husbandry of the Preclassic Maya at Cuello, Belize: Isotopic and Zooarchaeological Evidence” (N.J. van der Merwe, R.H. Tykot, N. Hammond & K. Oakberg), in S. Ambrose & A. Katzenberg (eds.), Biogeochemical Approaches to Paleodietary Analysis, 23-38. New York, Plenum: Advances in Archaeological and Museum Science 5, 2000. Abstract   PDF Full-text

*24. “Dieta y poblaciones humanas en la norte del Chubut (Patagonia argentina)” (J. Gomez Otero, J. Bautista Belardi, R.H. Tykot & S.M. Grammer), in Desde el País de los Gigantes. Perspectivas arqueológicas en Patagonia. Jornadas de Arqueología de la Patagonia, 109-122. Universidad Nacional de la Patagonia Austral, Río Gallegos, 2000. PDF Full-text

*22. “Isotopic Source Determination of Greek and Roman Marble Sculptures in the Museum of Fine Arts, Boston: Recent Analyses” (N.J. van der Merwe, R.H. Tykot, J.J. Herrmann, Jr. & R. Newman), in M. Schvoerer (ed.), Archeomateriaux. Marbres et autres roches. Actes de la IVE Conférence internationale, ASMOSIA IV, France, Bordeaux-Talence, 9-13 octobre 1995, Université de Bordeaux 3 / CNRS, 177-184. Centre de Recherche en Physique Appliquée à l’Archéologie, Bordeaux, 1999. Abstract   PDF Full-text

21. Tykot, R.H. 1999. Radiocarbon Chronology at the Narvaez/Anderson Site (8Pi54). In T. Simpson (ed.), The Narvaez/Anderson Site (8Pi54): A Safety Harbor Culture Shell Mound and Midden -- AD 1000-1600, 54-58. Central Gulf Coast Archaeological Society. PDF Full-text

*20. Tykot, R.H. 1999. Islands in the Stream: Stone Age Cultural Dynamics in Sardinia and Corsica. In R.H. Tykot, J. Morter & J.E. Robb (eds.), Social Dynamics of the Prehistoric Central Mediterranean. London: Accordia Research Institute, University of London: Accordia Specialist Studies on the Mediterranean 3: 67-82. Abstract  PDF Full-text

19. “Introduction” (M.S. Balmuth & R.H. Tykot), in M.S. Balmuth & R.H. Tykot (eds.), Sardinian and Aegean Chronology: Towards the Resolution of Relative and Absolute Dating in the Mediterranean. Studies in Sardinian Archaeology 5: 1-4, Oxford, Oxbow Books, 1998. PDF Full-text

*18. Tykot, R.H. 1998. Mediterranean Islands and Multiple Flows: The Sources and Exploitation of Sardinian Obsidian. In M.S. Shackley (ed.), Method and Theory in Archaeological Obsidian Studies. New York, Plenum: Advances in Archaeological and Museum Science 3: 67-82. Abstract   PDF Full-text

*17. “Long-distance Obsidian Trade in Indonesia” (R.H. Tykot & S. Chia), in P.B. Vandiver, J.R. Druzik, J. Merkel, & J. Stewart (eds.), Materials Issues in Art & Archaeology V, Materials Research Society Symposium Proceedings 462: 175-180, Pittsburgh, 1997. Abstract  PDF Full-text

*16. “New Directions in Central Mediterranean Obsidian Studies” (R.H. Tykot & A.J. Ammerman), Antiquity 71(274): 1000-1006, 1997. Abstract  PDF Full-text

*15. Tykot, R.H. 1997. Characterization of the Monte Arci (Sardinia) Obsidian Sources. Journal of Archaeological Science 24: 467-479. Abstract  PDF Full-text

*14. Tykot, R.H. 1996. The Geological Source of an Obsidian Ear (04.1941) from the Museum of Fine Arts, Boston. Revue d’Égyptologie 47: 177-179. PDF Full-text

*13. Tykot, R.H. 1996. Obsidian Procurement and Distribution in the Central and Western Mediterranean. Journal of Mediterranean Archaeology 9(1): 39-82. Abstract  PDF Full-text   Italian translation by Paolo Melis

*12. “Stable Isotope Analysis of Bone Collagen and Apatite in the Reconstruction of Human Diet: A Case Study from Cuello, Belize” (R.H. Tykot, N.J. van der Merwe & N. Hammond), in M.V. Orna (ed.), Archaeological Chemistry. Organic, Inorganic and Biochemical Analysis. Washington, DC: ACS Symposium Series 625: 355-365, 1996. Abstract  PDF Full-text

*11. “Archaeological Applications of ICP-Mass Spectrometry” (R.H. Tykot & S.M. Young), in M.V. Orna (ed.), Archaeological Chemistry. Organic, Inorganic, and Biochemical Analysis. Washington, DC: ACS Symposium Series 625: 116-130, 1996. Abstract   PDF Full-text

*10. “Stable Carbon and Oxygen Isotope Source Tracing of Marble Sculptures in the Museum of Fine Arts, Boston, and the Sackler Museum, Harvard” (N.J. van der Merwe, J.J. Herrmann, Jr., R.H. Tykot, R. Newman, & N. Herz), in Y. Maniatis, N. Herz, & Y. Basiakos (eds.), The Study of Marble and Other Stones Used in Antiquity. ASMOSIA III Athens: Transactions of the 3rd International Symposium of the Association for the Study of Marble and Other Stones used in Antiquity, pp. 187-197. London: Archetype, 1995. Abstract  PDF Full-text

8. Tykot, R.H. 1995. Appendix I: Obsidian Provenance. In R.R. Holloway & S.S. Lukesh, Ustica I. The Results of the Excavations of the Regione Siciliana Soprintendenza ai Beni Culturali ed Ambientali Provincia di Palermo in Collaboration with Brown University in 1990 and 1991. Archaeologia Transatlantica XIV: 87-90. Providence and Louvain-La-Neuve. PDF Full-text

*7. Tykot, R.H. 1994. Sea Peoples in Etruria? Italian Contacts with the Eastern Mediterranean in the Late Bronze Age. Etruscan Studies: Journal of the Etruscan Foundation 1: 59-83. PDF Full-text

*6.Tykot, R.H. 1994. Radiocarbon Dating and Absolute Chronology in Sardinia and Corsica. In R. Skeates & R. Whitehouse (eds.), Radiocarbon Dating and Italian Prehistory. London: Accordia Specialist Studies on Italy 3: 115-145. Abstract  PDF Full-text

5. “Determination of species and geographic origin of rhinoceros horn by isotopic analysis and its possible application to trade control” (A.J. Hall-Martin, N.J. van der Merwe, J.A. Lee-Thorp, R.A. Armstrong, C.H. Mehl, S. Struben, & R. Tykot), in O. Ryder (ed.), Rhinoceros Biology and Conservation. Proceedings of an International Conference, May 9-11, 1991, San Diego, California, pp. 123-135. Zoological Society of San Diego, 1993. Abstract  PDF Full-text

*4. “Bronze Age Metalworking at Nuraghe Santa Barbara (Bauladu), Sardinia” (L.J. Gallin & R.H. Tykot), Journal of Field Archaeology 20(3): 335-345, 1993. A Research Note about this article appeared in Science News 144(14): 217. Abstract  PDF Full-text

*3. Tykot, R.H. 1992. The Sources and Distribution of Sardinian Obsidian. In R.H. Tykot & T.K. Andrews (eds.), Sardinia in the Mediterranean: A Footprint in the Sea. Studies in Sardinian Archaeology Presented to Miriam S. Balmuth. Sheffield Academic Press: Monographs in Mediterranean Archaeology 3: 57-70. Italian Abstract  PDF Full-text

CONTRACT & TECHNICAL REPORTS

BOOK REVIEWS AND MISCELLANEOUS CONTRIBUTIONS

22. Tykot, R.H. 2017. Notes from the President. International Association for Obsidian Studies Bulletin 58: 2-3.

21. Tykot, R.H. 2017. Notes from the President. International Association for Obsidian Studies Bulletin 56: 2-3.

20. Tykot, R.H. 2016. Report on the International Obsidian Conference on Lipari (Italy), June 1-3, 2016. The Current. Newsletter of the Island & Coastal Archaeology Interest Group 4(2): 4-6.

19. Tykot, R.H. 2016. Report on the International Obsidian Conference on Lipari (Italy). International Association for Obsidian Studies Bulletin 55: 2-3.

18. Tykot, R.H. 2014. Review of Handheld XRF for Art and Archaeology, edited by A.N. Shugar & J.L. Mass (Studies in Archaeological Sciences 3, Leuven University Press, 2012). Society for Archaeological Sciences Bulletin 37(3): 23-26.

17. Tykot, R.H. 2011. Review of Scientific Methods and Cultural Heritage. An introduction to the application of materials science to archaeometry and conservation science, by Gilberto Artioli (Oxford University Press, 2010). Society for Archaeological Sciences Bulletin 34(3): 26-27.
 
16. Tykot, R.H. 2009. Contributor to Mortuary Customs in Prehistoric Malta: Excavations at the Brochtorff Circle at Xaghra (1987-94), edited by C. Malone, S. Stoddart, A. Bonnano & D. Trump, pp. 250, 463. McDonald Institute Monographs, Cambridge.

15. Tykot, R.H. 2009. Review of Archaeology and History in Sardinia from the Stone Age to the Middle Ages: Shepherds, Sailors, and Conquerors, by S.L. Dyson & R.J. Rowland, Jr. (U. of Pennsylvania Museum of Archaeology and Anthropology, 2007), American Journal of Archaeology 113: 662-663.

14. Tykot, R.H. 2003. Response to Farms or Fertility Symbols? Archaeology Odyssey 6(4): 58-59. PDF full text

13. Tykot, R.H. 2002. Review of The Science and Archaeology of Materials: An Investigation of Inorganic Materials, by J. Henderson (Routledge, 2000), Antiquity 76(291): 280-281. PDF full text

12. Tykot, R.H. 1999. Reviews of Archaeological Chemistry, by A.M. Pollard and C. Heron (Royal Society of Chemistry, Cambridge: 1996), and Traces of the Past: Unraveling the Secrets of Archaeology through Chemistry, by J.B. Lambert (Addison Wesley Longman, 1997), American Journal of Archaeology 103: 352-353. PDF Full-text

11. Tykot, R.H. 1999. Review of Archaeological Sciences 1995. Proceedings of a conference on the application of scientific techniques to the study of archaeology, edited by A. Sinclair et al. (Oxbow 1997), SAS Bulletin 22(3-4): 21-23. PDF Full-text

10. Tykot, R.H. 1998. Review of A Prehistory of Sardinia 2300-500 BC, by G.S. Webster (Sheffield Academic Press: 1996), American Journal of Archaeology 102: 831-832. PDF Full-text

9. Tykot, R.H. 1998. Review of A Geological Companion to Greece and the Aegean, by M.D. Higgins & R. Higgins (Cornell University Press: 1996), Geoarchaeology 13(4): 419-420. PDF Full-text

8. Tykot, R.H. 1997. Death Notice: Jon Morter, Anthropology Newsletter 38(8): 49.

7. Tykot, R.H. 1996. Review of Ancient Mesopotamian Materials and Industries: The Archaeological Evidence, by P.R.S. Moorey (Clarendon Press, Oxford: 1994), IA: The Journal of the Society for Industrial Archaeology 22(2): 58-59. PDF Full-text

6. Tykot, R.H. 1994. Review of New Developments in Archaeological Science, edited by A.M. Pollard (Oxford University Press: 1992), American Journal of Archaeology 98(4):774-776. PDF Full-text

5. Tykot, R.H. 1994. Review of Problem-Solving in Mediterranean Archaeology (AIA Meeting, Washington DC, 1993), SAS Bulletin 17(2):6-7.

4. Tykot, R.H. 1994. Review of Aspects of Early North American Metallurgy, by M.L. Wayman, J.C.H. King & P.T. Craddock (British Museum, London: 1992), American Antiquity 59(3):584-585.

3. Tykot, R.H. 1993. Architecture through Time, and Ancient Columns. ΣΗΜΕΙΟΝ ΑΝΑΦΟΡΑΣ. A Journal of Hellenic Thought and Culture, pp. 55, 61. PDF Full-text

2. Tykot, R.H. 1993. Review of Absolute Age Determination: Physical and Chemical Dating Methods and Their Application, by M.A. Geyh & H. Schleicher (Springer-Verlag: 1990), American Antiquity 58(4):769-770. PDF Full-text

1. Tykot, R.H., C.S. Czapski & B.A. Saidel. 1990. The Harvard Archaeological Society. Harvard Graduate Society Newsletter. Spring.

CONFERENCES AND SYMPOSIA ORGANIZED (* = published abstract; 5)

30.    “Mobility and Culture Change during Transitional Periods in and around the Alpine Region” (A. Maxwell, R. Hughes, R.H. Tykot & A.Vianello), 24th Annual Meeting of the European Association of Archaeologists,  Barcelona, Spain, September 5-8, 2018.

*29.    “Cutting Edge Approaches to Archaeological Research on Ancient Sicily” (R.H. Tykot & D. Tanasi), 119th Annual Meeting of the Archaeological Institute of America, Boston, MA, January 4-7, 2018. Colloquium overview and abstracts published in Archaeological Institute of America 119th Annual Meeting Abstracts 41: 125-132.

28.    “II Taller de Arqueología e Isótopos Estables en el Sur de Sudamérica” (R.H. Tykot, scientific committee), San Rafael, Mendoza, Argentina, November 1-3, 2017.

*27.    “Applications using Hand-Held Portable X-Ray Fluorescence Spectrometers” (organizers R.H. Tykot & A. Vianello), 23rd Annual Meeting of the European Association of Archaeologists, Maastricht, Netherlands, August 31 - September 3, 2017. Session and individual abstracts published in Building Bridges. Abstract Book of the 23rd Annual Meeting of the European Association of Archaeologists 2017, pp. 21-24. Maastricht: The European Association of Archaeologists and The Municipality of Maastricht, the Province of Limburg and the Cultural Heritage Agency of the Netherlands, 2017. ISBN 9789057992858.

26.    “International Obsidian Conference” (organizers R.H. Tykot et al.), Lipari, Italy, June 1-3, 2016.

25.    “Portable XRF in Italian Archaeology” (organizers A. Vianello & R.H. Tykot), 7th Conference of Italian Archaeology, Galway, Ireland, April 16-18, 2016.

24.    “Obsidian - Methodological Issues of Obsidian Provenance Studies and a New Perspective of Archaeological Obsidian” (R.H. Tykot), 10th International Symposium on Knappable Materials, Barcelona, Spain, September 7-11, 2015.

23.    “Scientific Analysis of Archaeological Objects in Museums: Modern Technologies and Limitations of the Collections” (R.H. Tykot & A. Vianello), 21st Annual Meeting of the European Association of Archaeologists, Glasgow, Scotland, September 2-5, 2015.

22. “The Gold Anniversary of Obsidian Sourcing: 50 Years of Research Around the World” (organizer R.H. Tykot), 79th Annual Meeting of the Society for American Archaeology, Austin, Texas, April 23-27, .

*21. “AIA Pomerance Award Colloquium: Scientific Analyses of Obsidian and Ceramics. Papers in Honor of Michael D. Glascock” (organizers R.H. Tykot & H. Neff), 112th Annual Meeting of the Archaeological Institute of America, San Antonio, Texas, January 6-9, 2011. Colloquium overview and abstracts published in Archaeological Institute of America 112th Annual Meeting Abstracts 34: 114-118.

20. “38th International Symposium on Archaeometry” (chairman, local organizing committee), Tampa, FL, May 10-14, 2010.

19. “Current Studies on Obsidian Sourcing, Trade, Use, and Dating”, 73rd Annual Meeting of the Society for American Archaeology, Vancouver, Canada, March 26-30, 2008.

*18. “Food Fantasies, Fallacies, and Facts: Multidisciplinary Methods on Mediterranean Meals” (organizers R.H. Tykot & S. Garvie-Lok),” 109th Annual Meeting of the Archaeological Institute of America, Chicago, Illinois, January 3-6, 2008. Colloquium overview published in Archaeological Institute of America 109th Annual Meeting Abstracts 31: 152.

17. “Materials Issues in Art and Archaeology VIII” (organizers P. Vandiver, F. Casadio, B. McCarthy, R.H. Tykot, J.L. Ruvalcaba Sul), Materials Research Society fall meeting, Boston, November 26-30, 2007.

16. Local Organizing Committee, 73rd Annual Meeting of the American Association of Physical Anthropologists, Tampa, Florida, April 14-17, 2004.

*15. “From Source to Finish: Obsidian Characterization, Exchange, Technology, and Use,” 69th Annual Meeting of the Society for American Archaeology, Montreal, Canada, March 31-April 4, 2004. Abstract in International Association for Obsidian Studies Bulletin 31:5, 2004.

14. “Exploring the Maltese Prehistoric Temple Culture” (with L.C. Eneix), Sliema, Malta, September 25-27, 2003.

13. “Social and Material Aspects of the Italian Neolithic,” 6th Conference on Italian Archaeology, Groningen, Netherlands, April 15-17, 2003.

12. “Anthropology & The Environment,” University of South Florida, February 26, 1999.

11. "The Origins, Spread, and Significance of Maize Agriculture in the New World," World Archaeological Congress 4, Cape Town, South Africa, January 10-14, 1999.

10. "Classical Art at the Museum of Fine Arts, Boston: Reflections on the Vermeule Years. A Symposium in Honor of Cornelius C. Vermeule III" (with J.J. Herrmann, Jr., M.B. Comstock, P. Russell & R. Reed), Museum of Fine Arts, Boston, April 27, 1996.

9. "Slouching Towards Rome: Social Change in Central Mediterranean Prehistory" (with J. Morter & J.E. Robb), 60th Annual Meeting of the Society for American Archaeology, Minneapolis, May 3-7, 1995.

8. "Sardinian Stratigraphy and Mediterranean Chronology" (with M.S. Balmuth), a three-day international conference held at Tufts University, March 15-17, 1995.

7. "From Paleoenvironments to Political Complexity: Advances in the Chemical Study and Interpretation of Anthropological Remains" (with C.C. Smith), 93rd Annual Meeting of the American Anthropological Association, Atlanta, December 1994.

6. "Science and Archaeology: Towards an Interdisciplinary Approach to Studying the Past" (with G.D. Purcell), a three-day international conference held at Harvard University, October 14-16, 1994.

5. "Problem-Solving in Mediterranean Archaeology" (with G.D. Purcell), 95th Annual Meeting of the Archaeological Institute of America, Washington, DC, December 30, 1993.

4. "Sardinia in the Mediterranean" (with T.K. Andrews), 94th Annual Meeting of the Archaeological Institute of America, New Orleans, December 30, 1992.

3. "Social Dynamics of the Prehistoric Central Mediterranean" (with J. Morter & J.E. Robb), 57th Annual Meeting of the Society for American Archaeology, Pittsburgh, April 9, 1992.

2. "Archaeology at Harvard in the 1990s," Harvard University, April 25, 1990.

1. "Sourcing Archaeological Materials," Harvard University, March 20, 1990.   

CONFERENCE PRESENTATIONS (* = published abstract; 135 thru 2019)

223. “Experimental Archaeology: A Preliminary Study of Portable XRF Analysis of Obsidian Subsources” (L.G. Beyer & R.H. Tykot), 72nd Annual Meeting of the Society for American Archaeology, Austin, Texas, April 25-29, 2007.

222. “Stable Isotope Analysis and Ancient Diets: They Are What They Ate,” 72nd Annual Meeting of the Society for American Archaeology, Austin, Texas, April 25-29, 2007.

221. “Reconstructing Pueblo Diets in the Middle San Juan River, New Mexico through Stable Isotope Analysis” (B.R. DeBoer & R.H. Tykot), 72nd Annual Meeting of the Society for American Archaeology, Austin, Texas, April 25-29, 2007.

220. “Paleodietary Insight into the Rise of the State in the Southern Titicaca Basin: The View from Khonkho Wankane” (C.A. Berryman, D.E. Blom & R.H. Tykot), 72nd Annual Meeting of the Society for American Archaeology, Austin, Texas, April 25-29, 2007.

219. Discussant for session “Xenophile: The Allure of the Exotic,” 72nd Annual Meeting of the Society for American Archaeology, Austin, Texas, April 25-29, 2007.

218. “Early Neolithic Obsidian Trade in Sardinia: The Coastal Site of Santa Caterina di Pittinuri (Cuglieri - OR)” (R.H. Tykot, P. Karellas & C. Tozzi), 108th Annual Meeting of the Archaeological Institute of America, San Diego, California, January 4-7, 2007.

217. “Diet and Society in Early Bronze Age Sardinia: An Isotopic Portrait of Two Communities” (L. Lai, R.H. Tykot, J.F. Beckett, O. Fonzo, E. Usai, M.R. Manunza, E. Goddard & D. Hollander), 108th Annual Meeting of the Archaeological Institute of America, San Diego, California, January 4-7, 2007.

216. “Sex, Status and Stable Isotopes in South America,” Archaeological Sciences of the Americas Symposium 2006, Tucson, Arizona, September 13-16, 2006.

215. “A Panorama of Dietary Adaptations in Southern America Using Stable Isotope Analysis,” XVth Congress of the International Union for Prehistoric and Protohistoric Sciences, Lisboa, Portugal, September 4-9, 2006.

214. “A Preliminary Report on the Survey and Excavations (2002-2006) of the Obsidian Workshop at Sennixeddu (Sardinia, Italy)” (R.H. Tykot, C. Lugliè, T. Setzer & G. Tanda), XVth Congress of the International Union for Prehistoric and Protohistoric Sciences, Lisboa, Portugal, September 4-9, 2006.

213. “Sources and Trade of Obsidian from Lipari (Aeolian Islands, Italy)” (R.H. Tykot, L. Beyer, M. Glascock & J. Speakman), XVth Congress of the International Union for Prehistoric and Protohistoric Sciences, Lisboa, Portugal, September 4-9, 2006.

212. “Determining White Marble Provenance of Greek and Roman Sculptures in the Museum of Art and Archaeology, University of Missouri-Columbia” (B. Kidd & R.H. Tykot), ASMOSIA VIII, Aix-en-Provence, France, June 12-18, 2006.

211. “Parian Marble in Early Christian Times” (A. van den Hoek, J.J. Herrmann, Jr. & R.H. Tykot), ASMOSIA VIII, Aix-en-Provence, France, June 12-18, 2006.

210. “Neo-Attic Ornament, the Attic Tradition at Rome, Pentelic Marble, and Isotopic Testing” (J.J. Herrmann, Jr. & R.H. Tykot), ASMOSIA VIII, Aix-en-Provence, France, June 12-18, 2006.

209. “Preliminary Studies on Algerian White and Gray Marbles” (R.H. Tykot, John J. Herrmann, Jr. & A. van den Hoek), ASMOSIA VIII, Aix-en-Provence, France, June 12-18, 2006.

208. “Isotope Analyses of Marble from the MFA, Boston: Sources Used in Assos and for Roman Portraits from Central Italy” (R.H. Tykot & J.J. Herrmann, Jr.), ASMOSIA VIII, Aix-en-Provence, France, June 12-18, 2006.

207. “From Pantelleria to Provence: The Chaìne Opératoire for Obsidian in the Neolithic Central Mediterranean,” ASMOSIA VIII, Aix-en-Provence, France, June 12-18, 2006.

206. “Arqueología e Isótopos Estables en el Sur de Sudamérica. Discusión e Integración de Resultados” (R.H. Tykot), Malargüe, Argentina, May 2006. 

205. “Dietary and Political Change at the Regional Center of Cerro Oreja in the Moche Valley, Northern Peru” (R.H. Tykot & C. Gagnon), 36th International Symposium on Archaeometry, Quebec City, Canada, May 2-6, 2006.

204. “Usage of Obsidian Subsources on Pantelleria, Italy” (R.H. Tykot, B. Vargo, M. Tosi, M. Glascock & J. Speakman), 36th International Symposium on Archaeometry, Quebec City, Canada, May 2-6, 2006.

203. “The Contribution of Bone Chemistry Studies to Reconstructing Ancient Diets on the Inca Frontier: New Data from Coastal, Inland, and Andean Highland sites in Chile and Argentina” (R.H. Tykot, E. Aspillaga, F. Falabella, A. Gil J. Gomez-Otero & G. Politis, 36th International Symposium on Archaeometry, Quebec City, Canada, May 2-6, 2006.

202. “Surveying and Excavating a Prehistoric Obsidian Workshop in Sardinia (Italy): Studying the Chaìne Opératoire” (R.H. Tykot, C. Lugliè, T. Setzer, G. Tanda & R.W. Webb), 71st Annual Meeting of the Society for American Archaeology, San Juan, Puerto Rico, April 26-30, 2006.

200. Quarries, Mines, Workshops and Factories: Standardizing Nomenclature for the Archaeological Community, Working Group, 71st Annual Meeting of the Society for American Archaeology, San Juan, Puerto Rico, April 26-30, 2006.

199. “Reconstructing the Diets of the Lucayan Taino People (Bahamas)” (M. Pateman & R.H. Tykot), 71st Annual Meeting of the Society for American Archaeology, San Juan, Puerto Rico, April 26-30, 2006.

198. “The Prehistoric Sources of Obsidian on the Island of Lipari, Italy: Preliminary Results Using LA-ICP-MS” (L. Beyer & R.H. Tykot), 71st Annual Meeting of the Society for American Archaeology, San Juan, Puerto Rico, April 26-30, 2006.

196. “Regional Stable Isotope Value Variability in West-Central/North Patagonia (Argentina)” (A.F. Gil, G.A. Neme, R.H. Tykot & N. Shelnut), 71st Annual Meeting of the Society for American Archaeology, San Juan, Puerto Rico, April 26-30, 2006.

195. “Paleodiets and the Tiwanaku State: A Bioarchaeological Assessment of Exchange Networks and State Formation Processes” (C.A. Berryman, D.E. Blom, P. Tomczak & R.H. Tykot), 71st Annual Meeting of the Society for American Archaeology, San Juan, Puerto Rico, April 26-30, 2006.

194. “The Use of Maize in Peninsular Florida: Stable Isotope Analysis” (J.A. Kelly, R. Tykot & J.T. Milanich), 71st Annual Meeting of the Society for American Archaeology, San Juan, Puerto Rico, April 26-30, 2006.

193. “Stable Isotope Analysis and the Importance of Maize in South America,” 231st American Chemical Society National Meeting, Atlanta, Georgia, March 26-30, 2006.

192. “Obsidian Sourcing in the Mediterranean: The Advantages and Disadvantages of Various Methods of Analysis for Archaeological Studies,” 231st American Chemical Society National Meeting, Atlanta, Georgia, March 26-30, 2006.

191. “Interpreting stable isotopic analyses: Case studies on prehistoric Sardinia” (L. Lai & R.H. Tykot), 231st American Chemical Society National Meeting, Atlanta, Georgia, March 26-30, 2006.

190. “Exploring Prehistoric Mediterranean Diet through Stable Isotopes: Case Studies from Mainland Italy and Sardinia” (R.H. Tykot & L. Lai), Seminar on Diet and Migration in Mediterranean Prehistory: A Methodological Reappraisal, Università di Roma ‘La Sapienza’, Italy, March 10, 2006.

189. “Results of the Second Season of Survey and Excavation of the Neolithic Obsidian Workshop at Sennixeddu, Sardinia” (R.H. Tykot, C. Lugliè, T. Setzer, G. Tanda & R.W. Webb), 107th Annual Meeting of the Archaeological Institute of America, Montreal, Jan. 5-8, 2006.

188. “Stable Isotope Analysis Suggests Early Use of Maize in Central Florida” (J.A. Kelly, R.H. Tykot & J. Milanich), The 2005 Meeting of the Southeastern Archaeological Conference, Columbia, South Carolina, November 2-6, 2005.

187. “Studying the Chaìne Opératoire for Neolithic Obsidian: Survey and Excavation at Sennixeddu, Sardinia” (R.H. Tykot, C. Lugliè, T. Setzer, G. Tanda & R.W. Webb), Central Mediterranean Prehistory Workshop, Manchester, England, Nov. 2, 2005. 

186. “Prehistoric Subsistence Patterns in the Central Mediterranean: Some Contributions from Stable Isotope Analysis” (R.H. Tykot, J.E. Robb & L. Lai), Central Mediterranean Prehistory Workshop, Manchester, England, Nov. 2, 2005. 

185. “Variabilidad Dietaria a Través del Tiempo en la Costa Centro-Septentrional de Patagonia y Valle Inferior del Río Chubut: Nuevos Datos Isotópicos” (J. Gómez Otero, R.H. Tykot & N. Falk), Simposio Arqueología y Biogeografía. Diferentes escalas de análisis y líneas de evidencias, Punta Arenas (Chile), 24 al 28 de Octubre de 2005. Abstract published in Programa y Resúmenes de las Sextas Jornadas de Arqueología de la Patagonia, pp. 52-53.

184. “Presence of Mycobacterium tuberculosis complex DNA at the Crystal River archaeological site: initial findings” (R. Lanehart, R. Tykot, J. Kelly, N. Falk, H. D. Donoghue, M. Spigelman, K. Vernon & D. Himmelgreen), 1st Paleopathology Association South American Meeting, Rio De Janeiro, Brazil, July 27-29, 2005.

183. “Prehistoric Obsidian Trade in Central-Northern Italy: Artifact Analyses from the Late Neolithic Site of Poggio Olivastro (Canino-Viterbo)” (R.H. Tykot & G.M. Bulgarelli), 35th International Symposium on Archaeometry, Beijing, China, May 10-15, 2005. PDF of Poster

182. “Dietary Adaptations During the Longshan Period in Shandong, China” (R.E. Lanehart, R.H. Tykot, A.P. Underhill, G. Feinman, L. Nicholas, F. Luan, H. Yu, & G. Cai), 35th International Symposium on Archaeometry, Beijing, China, May 10-15, 2005. PDF of Poster

181. “Assessing Ancient Agriculture in Central Chile: Comparing Coastal and Inland Sites, and the Importance of Maize, thru Bone Chemistry” (R.H. Tykot, F. Falabella, E. Aspillaga, M. Planella & L. Sanhueza), 70th Annual Meeting of the Society for American Archaeology, Salt Lake City, Utah, March 30-April 3, 2005.

180. “Source Analysis of Obsidian Artifacts from Pantelleria (Italy) and Tunisia,” (B. Vargo, R.H. Tykot, M. Glascock & R.J. Speakman), 70th Annual Meeting of the Society for American Archaeology, Salt Lake City, Utah, March 30-April 3, 2005. 179. “Stable Isotope Analysis of Hair and Soft Tissues from Prehistoric Argentina,” (N. Shelnut, R.H. Tykot, A. Gil & G. Neme), 70th Annual Meeting of the Society for American Archaeology, Salt Lake City, Utah, March 30-April 3, 2005.

178. “Obsidian Use During the Bronze Age: An Experimental Study of Obsidian Artifacts from Duos Nuraghes, Sardinia (Italy),” (T. Setzer, R.H. Tykot & G.S. Webster), 70th Annual Meeting of the Society for American Archaeology, Salt Lake City, Utah, March 30-April 3, 2005. 177. Invited Discussant for symposium “Crossing the Straits: Prehistoric Obsidian Source Exploitation in the Pacific Rim,” 70th Annual Meeting of the Society for American Archaeology, Salt Lake City, Utah, March 30-April 3, 2005.

176. “Magnetic Properties of Central Mediterranean Obsidians: an Archaeological Fingerprint?” (I. Weaver, R. Sternberg & R.H. Tykot), Geological Society of America Northeastern Section - 40th Annual Meeting, Saratoga Springs, New York, March 14–16, 2005. GSA Abstracts with Programs 37(1).

175. “Stable Isotopes and Diet in Mesoamerica,” Southeast Conference on Mesoamerican Archaeology and Ethnohistory, University of South Florida, Tampa, Florida, February 12, 2005.

174. “Prehistoric Dietary Adaptations on Mediterranean Islands and in Mainland Coastal Areas: New Data from Bone Chemistry Studies” (R.H. Tykot & L. Lai), 106th Annual Meeting of the Archaeological Institute of America, Boston, Massachusetts, January 2005. Abstract published in Archaeological Institute of America 106th Annual Meeting Abstracts 28: 49-50.

173. “Use-Wear Analysis of Obsidian from a Nuragic Site in Sardinia: Interpreting Changes of Bronze Age Tool Function at Duos Nuraghes” (T.J. Setzer, R.H. Tykot & G.S. Webster), 106th Annual Meeting of the Archaeological Institute of America, Boston, Massachusetts, January 2005. Abstract published in Archaeological Institute of America 106th Annual Meeting Abstracts 28: 42.

172. “Sources and Trade of Obsidian in Corsica (France),” Materials Research Society, Boston, Massachusetts, Nov. 29-Dec. 3, 2004.

171. “Nuovi risultati sulla provenienza dell'ossidiana dal sito neolitico recente di Contraguda (Sardegna)” ( L. Lai, R.H. Tykot, C. Tozzi), XXXIX Riunione Scientifica dell’Istituto Italiano di Preistoria e Protostoria. Materie prime e scambi nella Preistoria italiana, Firenze, 25-27 novembre 2004.

170. “Ossidiana da Lipari: le fonti, la distribuzione, la tipologia, e le tracce d'usura” (R.H. Tykot, M.R. Iovino, M.C. Martinelli, L. Beyer), XXXIX Riunione Scientifica dell’Istituto Italiano di Preistoria e Protostoria, Firenze, 25-27 novembre 2004.

169. “The magnetic fingerprinting of central Mediterranean obsidians” (I. Weaver, R. Sternberg & R.H. Tykot), Franklin & Marshall Autumn Research Fair, Lancaster, Pennsylvania, November 5, 2004.

168. “Ecología isotópica y Dieta: valores para recursos del centro occidente argentino e implicancias para el estudio de la dispersión prehispánica del maíz” (A. Gil, G. Neme & R.H. Tykot), II Reunión Binacional de Ecología, XXI Reunión Argentina de Ecología, XI Reunión de la Sociedad de Ecología de Chile, Mendoza, Argentina, 31 de octubre al 5 de noviembre de 2004.

167. “The Ancient Trade in Mediterranean Black Gold: Scientific Applications in Obsidian Sourcing,” Archaeological Sciences of the Americas, Tucson, Arizona, September 23-26, 2004.

166. “The Spread of Maize in Peninsular Florida: Stable Isotope Results for Pre-Contact Sites” (J.A. Kelly, R.H. Tykot & J.T. Milanich), Archaeological Sciences of the Americas, Tucson, Arizona, September 23-26, 2004.

165. “Dietary Changes in Sardinian Prehistory Revealed by Isotopic Analyses of Bone Tissue and Tooth Enamel” (L. Lai & R.H. Tykot), Archaeological Sciences of the Americas, Tucson, Arizona, September 23-26, 2004.

164. “Laser Ablation ICP-MS Characterization of Archaeological Materials for Provenance-Based Research” (R.J. Speakman, M.D. Glascock, C. Descantes, R.H. Tykot, J.J. Thatcher, C.E. Skinner, K.M. Lienhop & B.J. Higgins), Archaeological Sciences of the Americas, Tucson, Arizona, September 23-26, 2004.

163. “Isótopos estables y Dieta en el centro oeste Argentino: recientes datos obtenidos sobre muestras humanas de San Juan” (N. Shelnut, A. Gil, R.H. Tykot, C.T. Michieli, M. Gambier & G. Neme), XV Congreso Nacional de Arqueología Argentina: Arqueología e Integración Conceptual. Fronteras del Conocimiento, September 20-25, 2004. Abstract published in XV Congreso Nacional de Arqueología Argentina (coordinated by M. Tamagnini & O. Mendonça), Universidad Nacional de Rio Cuarto, p. 223, 2004. ISBN 950-665-281-3

162. “Coastal and Inland Diet in Late Neolithic Sardinia: First Data from Stable Isotopes” (L. Lai, R.H. Tykot, A. Doying), European Association of Archaeologists 10th Annual Meeting, Lyon, France, September 8-12, 2004.

161. Central Mediterranean Obsidian Trade: Following the Chaîne Opératoire (Invited Speaker), Obsidian Summit International Workshop, Tokyo, Japan, September 1-8, 2004.

160. “Obsidian Sources and Trade in the Central Mediterranean,” 34th International Symposium on Archaeometry, Zaragoza, Spain, May 3-7, 2004.

159. “Dietary Change in Prehistoric Sardinia (Italy): Results of Stable Isotope Analyses of Human Skeletal Tissues” (L. Lai & R.H. Tykot), 34th International Symposium on Archaeometry, Zaragoza, Spain, May 3-7, 2004.

158. “Detailed Dietary Determination in the Inca World: Isotopic Analysis of Mummified Humans from Northwestern Argentina” (R.H. Tykot, N. Shelnut & A. Gil), 34th International Symposium on Archaeometry, Zaragoza, Spain, May 3-7, 2004.

157. “Stable Isotope Analysis and Dietary Adaptations During the Longshan Period in Shandong China: Preliminary Results from Liangchengzhen” (R.E. Lanehart, R.H. Tykot, A.P. Underhill, G. Feinman, L. Nicholas, F. Luan, H. Yu, & G. Cai), 34th International Symposium on Archaeometry, Zaragoza, Spain, May 3-7, 2004.

156. “Combining Obsidian Provenance and Use-wear Studies: An Analysis of Artifacts from the Late Neolithic Site of Contraguda, Sardinia” (T.J. Setzer, R.H. Tykot & C. Tozzi), 34th International Symposium on Archaeometry, Zaragoza, Spain, May 3-7, 2004.

155. “Isotopic analysis of mummified human remains from northwestern Argentina: a dietary reconstruction” (N. Shelnut, R.H. Tykot & A. Gil), 73rd Annual Meeting of the American Association of Physical Anthropologists, Tampa, Florida, April 14-17, 2004. American Journal of Physical Anthropology 123 (S38): 180.

154. “Dietary Adaptations in the Maya Lowlands Through Time and Space: First Results of Stable Isotope Analysis for the Yucatan” (E. Mansell & R.H. Tykot), 73rd Annual Meeting of the American Association of Physical Anthropologists, Tampa, Florida, April 14-17, 2004. American Journal of Physical Anthropology 123 (S38): 141-142.

153. “Presence of Mycobacterium tuberculosis complex DNA at the Crystal River archaeological site: Initial findings” (R. Lanehart, R.H. Tykot, J. Kelly, N. Falk, H.D. Donoghue, M. Spigelman, K. Vernon & D. Himmelgreen), 73rd Annual Meeting of the American Association of Physical Anthropologists, Tampa, Florida, April 14-17, 2004. American Journal of Physical Anthropology 123 (S38): 131-132.

152. “A Contribution to the Nutritional History of Prehistoric Sardinia (Italy): Preliminary Results of Isotopic Analyses of Bone Collagen, Bone Apatite and Tooth Enamel” (L. Lai & R.H. Tykot), 73rd Annual Meeting of the American Association of Physical Anthropologists, Tampa, Florida, April 14-17, 2004. American Journal of Physical Anthropology 123 (S38): 131.

151. “Prehistoric Subsistence Adaptations in West-central Florida as Determined by Stable Isotope Analysis” (J.A. Kelly, R.H. Tykot & J. Milanich), 73rd Annual Meeting of the American Association of Physical Anthropologists, Tampa, Florida, April 14-17, 2004. American Journal of Physical Anthropology 123 (S38): 124.

150. “Differential Subsistence Adaptations of Agriculturalists and Herders of the Early Intermediate Period in the Lurin Valley, Peru: New Data from Stable Isotope Analysis” (N. Falk, R.H. Tykot, M. Delgado, E.A. Pechenkina & J. Vradenburg), 73rd Annual Meeting of the American Association of Physical Anthropologists, Tampa, Florida, April 14-17, 2004. American Journal of Physical Anthropology 123 (S38): 93.

149. “Prehistoric Diet in the Central Himalayas: Stable Isotope Results from Malari, Garhwal (India)” (R.H. Tykot, T. O’Connell, K. Privat, S. Juyal, V. Nautiyal), 73rd Annual Meeting of the American Association of Physical Anthropologists, Tampa, Florida, April 14-17, 2004. American Journal of Physical Anthropology 123 (S38): 197-198.

148. “Neolithic Trade Networks in the Central Mediterranean: The Role of Pantelleria (Italy) “ (B.A. Vargo & R.H. Tykot), 69th Annual Meeting of the Society for American Archaeology, Montreal, Canada, March 31-April 4, 2004. Abstract in International Association for Obsidian Studies Bulletin 31:9, 2004.

147. “Isotopic Analysis of Mummies from Northwestern Argentina” (N. Shelnut, R.H. Tykot & A. Gil), 69th Annual Meeting of the Society for American Archaeology, Montreal, Canada, March 31-April 4, 2004.

146. “Use-Wear Studies of Obsidian from the Late Neolithic Site of Contraguda, Sardinia (Italy)” (T. Setzer, R.H. Tykot, C. Tozzi), 69th Annual Meeting of the Society for American Archaeology, Montreal, Canada, March 31-April 4, 2004. Abstract in International Association for Obsidian Studies Bulletin 31:8, 2004.

145. “Animal Husbandry in the Early Bronze Age Levant: Results from Zooarchaeology and Isotope Analysis at Tell el Hesi (Israel)” (S. Peck, B. Hesse, R.H. Tykot), 69th Annual Meeting of the Society for American Archaeology, Montreal, Canada, March 31-April 4, 2004.

144. “Contribution of Ceramic Residues and Bone Chemistry to Dietary Adaptations during the Longshan Period, Shandong, China” (R.E. Lanehart, R.H. Tykot, A.P. Underhill, F. Luan, H. Yu), 69th Annual Meeting of the Society for American Archaeology, Montreal, Canada, March 31-April 4, 2004.

143. “Diet in Prehistoric Sardinia (Italy): Preliminary Results of Isotopic Analyses” (L. Lai & R.H. Tykot), 69th Annual Meeting of the Society for American Archaeology, Montreal, Canada, March 31-April 4, 2004.

142. “The Importance of Maize in Florida through the Contact Period” (J.A. Kelly, R.H. Tykot & J.T. Milanich), 69th Annual Meeting of the Society for American Archaeology, Montreal, Canada, March 31-April 4, 2004.

141. “Maize on the Frontier: Isotopic and Macrobotanical Data from Central-Western Argentina” (A. Gil, R.H. Tykot, G.A. Neme & A.M. Hernandez), 69th Annual Meeting of the Society for American Archaeology, Montreal, Canada, March 31-April 4, 2004.

140. “Subsistence Adaptations of Hunter-Gatherers in Central Patagonia (Argentina): New Data from Stable Isotope Analysis” (N. Falk, R.H. Tykot & J. Gomez-Otero), 69th Annual Meeting of the Society for American Archaeology, Montreal, Canada, March 31-April 4, 2004.

139. “The Role of Agency in Central Mediterranean Obsidian Trade during the Late Neolithic” (L. Beyer, R.H. Tykot, T. Setzer), 69th Annual Meeting of the Society for American Archaeology, Montreal, Canada, March 31-April 4, 2004. Abstract in International Association for Obsidian Studies Bulletin 31:6, 2004.

138. Invited Discussant for Symposium “From Source to Finish: Obsidian Characterization, Exchange, Technology, and Use,” 69th Annual Meeting of the Society for American Archaeology, Montreal, Canada, March 31-April 4, 2004.

137. “The Contribution of Stable Isotope Analysis to Understanding the Introduction and Importance of Maize in South America,” 69th Annual Meeting of the Society for American Archaeology, Montreal, Canada, March 31-April 4, 2004.

136. “Survey and Excavation of the Largest Obsidian Workshop in the Mediterranean: Preliminary Report on Fieldwork at Sennixeddu (Sardinia, Italy)” (R.H. Tykot, C. Lugliè & G. Tanda), 105th Annual Meeting of the Archaeological Institute of America, January 2-5, 2004, San Francisco. Abstract published in Archaeological Institute of America 105th Annual Meeting Abstracts 27: 122.

135. “Experiments with Sardinian Obsidian: Determining Its Use in the Neolithic” (T.J. Setzer, R.H. Tykot & C. Tozzi), 105th Annual Meeting of the Archaeological Institute of America, January 2-5, 2004, San Francisco. Abstract published in Archaeological Institute of America 105th Annual Meeting Abstracts 27: 28-29.

134. “Contraguda (Sardinia): Sourcing Obsidian Artifacts and Tracing Exchange Networks in the Middle and Late Neolithic” (L. Lai, R.H. Tykot & C. Tozzi), 105th Annual Meeting of the Archaeological Institute of America, January 2-5, 2004, San Francisco. Abstract published in Archaeological Institute of America 105th Annual Meeting Abstracts 27: 36-37.

133. “Contributions of Archaeological Science to Understanding Maltese Relations with Other Areas of the Central Mediterranean,” Exploring the Maltese Prehistoric Temple Culture, September 25-27, 2003, Malta.

132. “Early Neolithic Obsidian Trade in Northern Italy: New Results from Isola del Giglio” (R.H. Tykot, M. Brandaglia, M.D. Glascock & R.J. Speakman), ASMOSIA VII, 15-20 September, 2003, Thassos, Greece.

131. “Gray Marble Sculpture in the Montemartini (Capitoline) Museum, Rome” (R.H. Tykot & J.J. Herrmann), ASMOSIA VII, 15-20 September, 2003, Thassos, Greece.

130. “Sources of Marble Used for Sculptures and Mosaics in the Worcester Museum of Art” (M. Archambeault, R.H. Tykot, L. Becker & P. Artal-Isbrand), ASMOSIA VII, 15-20 September, 2003, Thassos, Greece.

129. “Marble Sculptures from the Rhode Island School of Design: Provenance Studies Using Stable Isotope and Other Analyses” (R.H. Tykot, G.E. Borromeo & K. Severson), ASMOSIA VII, 15-20 September, 2003, Thassos, Greece.

128. “Capitals with Fine-Toothed Acanthus and the Quarries of Dokimeion” (J.J. Herrmann & R.H. Tykot), ASMOSIA VII, 15-20 September, 2003, Thassos, Greece.

127. “Archaeological Aspects of Obsidians,” International Specialized Workshop on Recent Advances in Obsidian Dating and Characterization, July 2-5, 2003, Melos, Greece.

126. “High-Precision Sourcing of Obsidian Assemblages from the Central Mediterranean: Feasibility and Utility for Archaeological Interpretation of the Exploitation of the Italian Island Sources,” International Specialized Workshop on Recent Advances in Obsidian Dating and Characterization, July 2-5, 2003, Melos, Greece.

125. “Preliminary Report of the Survey and Excavations of the Obsidian Workshop at Sennixeddu, Sardinia” (R.H. Tykot, C. Lugliè, G. Tanda, B. Vargo, N. deBruijn, T. Setzer & R. Carta), 6th Conference on Italian Archaeology, April 15-17, 2003, Groningen, Netherlands.

124. “Sources and Exploitation of Obsidian from Pantelleria” (B.A. Vargo, R.H. Tykot & M. Tosi), 6th Conference on Italian Archaeology, April 15-17, 2003, Groningen, Netherlands.

123. “Ecological & Dietary Diversity in Prehistoric Gulf Coast Florida” (J.A. Kelly, R.H. Tykot & J. Milanich), 68th Annual Meeting of the Society for American Archaeology, April 9-13, 2003, Milwaukee. [winner of R.E. Taylor Student Poster Award offered by the Society for Archaeological Sciences]

122. “The Pantellerian Connection: Neolithic Obsidian Trade in the Central Mediterranean” (B.A. Vargo, R.H. Tykot, M. Tosi & S. Tusa), 68th Annual Meeting of the Society for American Archaeology, April 9-13, 2003, Milwaukee.

121. “A Neolithic Obsidian Workshop in Sardinia: The 2002 Excavations at S’Ennixeddu” (R.H. Tykot, C. Lugliè, N. de Bruijn, T. Setzer & B. Vargo), 68th Annual Meeting of the Society for American Archaeology, April 9-13, 2003, Milwaukee.

120. “Stable Isotope Analysis and Dietary Adaptations During the Longshan Period in Shandong, China: Preliminary Results from Liangchengzhen” (R. Lanehart, A. Underhill, R.H. Tykot, F. Luan, H. Yu, H. Fang, F. Cai, G. Feinman & L. Nicholas), 68th Annual Meeting of the Society for American Archaeology, April 9-13, 2003, Milwaukee.

119. “Tracing the Source of the Elephant and Hippopotamus Ivory from the Uluburun Shipwreck” (K. Lafrenz, R.H. Tykot & C. Pulak), 104th Annual Meeting of the Archaeological Institute of America, January 3-6, 2003, New Orleans. Abstract published in Archaeological Institute of America 104th Annual Meeting Abstracts (ISBN 1931909024). [2nd place in the AIA poster award contest]

118. “Obsidian Flows, Flakes, and Functions: An Integrated Study of the Late Neolithic Assemblage from Contraguda, Sardinia” (R.H. Tykot, L. Lai & C. Tozzi), 104th Annual Meeting of the Archaeological Institute of America, January 3-6, 2003, New Orleans. Abstract published in Archaeological Institute of America 104th Annual Meeting Abstracts (ISBN 1931909024)

117. “L’esatta provenienza dell’ossidiana e i modelli di diffusione nel Mediterraneo centrale durante il Neolitico,” Convegno Internazionale L’ossidiana del Monte Arci nel Mediterraneo: recupero dei valori di un territorio, November 29-December 1, 2002, Oristano and Pau, Sardinia.

116. Invited Discussant for symposium “Initial Neolithic Occupation of Small Island Groups in Theory and Practice,” 8th European Association of Archaeologists Annual Meeting, September 24-29, 2002, Thessaloniki, Greece.

115. “On the Use of Obsidian in the Neolithic Mediterranean: New Approaches to Provenance, Technology and Function,” 8th European Association of Archaeologists Annual Meeting, September 24-29, 2002, Thessaloniki, Greece.

114. “Sheep and the Sea in Mediterranean Subsistence Strategies: A Contribution from Stable Isotope Analysis,” 8th European Association of Archaeologists Annual Meeting, September 24-29, 2002, Thessaloniki, Greece.

113. “A Preliminary Determination of Subsistence Variation and Dietary Changes Among Prehistoric Gulf Coast Florida Populations Using Stable Isotope Analysis” (J.A. Kelly, R.H. Tykot & J.T. Milanich), 54th Annual Meeting of the Florida Anthropological Society, May 3-5, 2002, St. Peterburg, Florida.

112. “Identification and Characterization of the Obsidian Sources on the Island of Palmarola, Italy” (R.H. Tykot, T.J. Setzer & M.D. Glascock), 33rd International Symposium on Archaeometry, 22-26 April 2002, Amsterdam.

111. “Stable Isotope Analysis and Subsistence Adaptations along the Gulf Coast of Florida from the Archaic through Safety Harbor Periods” (J.A. Kelly, R.H. Tykot & J. Milanich), 33rd International Symposium on Archaeometry, 22-26 April 2002, Amsterdam.

110. “Comprehensive Source Analysis and the Socioeconomic Role of Obsidian Trade in Northern Italy: New Data from the Middle Neolithic Site of Gaione” (R.H. Tykot, A.J. Ammerman, M. Bernabo Brea & M.D. Glascock), 33rd International Symposium on Archaeometry, 22-26 April 2002, Amsterdam.

109. “Ceramic Production and Distribution in Late Iron Age Etruria: An Example from the Mugello Basin” (J.J. Winkler, R.H. Tykot & G. Warden), 33rd International Symposium on Archaeometry, 22-26 April 2002, Amsterdam.

108. “Using Laser Ablation ICP Mass Spectrometry to Source Mediterranean Obsidians” (R.H. Tykot, M.D. Glascock & R.J. Speakman), 67th Annual Meeting of the Society for American Archaeology, March 20-24, 2002, Denver.

107. “A View from the North: A Stable Isotope Study of Ancient Maya Diet from Yaxuná and La Milpa” (E. Mansell, R.H. Tykot, D. Freidel, T. Ardren, B. Dahlin) , 67th Annual Meeting of the Society for American Archaeology, March 20-24, 2002, Denver.

106. “Ceramic Production and Distribution in Late Iron Age Etruria: An Example from the Mugello Basin” (J. Winkler, R.H. Tykot, G. Warden), 67th Annual Meeting of the Society for American Archaeology, March 20-24, 2002, Denver.

105. “Placing Obsidian in its Rightful Context: An Analysis of Geological Sources and Archaeological Materials from the Island of Lipari (Italy)” (L.G. Beyer & R.H. Tykot), 67th Annual Meeting of the Society for American Archaeology, March 20-24, 2002, Denver.

104. “Dietary Variation and Change Among Prehistoric Gulf Coast Florida Populations: A Preliminary Study of the Archaic Through Safety Harbor Periods Using Stable Isotope Analysis” (J.A. Kelly, R.H. Tykot & J.T. Milanich), 67th Annual Meeting of the Society for American Archaeology, March 20-24, 2002, Denver.

103. “The Identification of Primary Obsidian Sources on Pantelleria (Italy): The Impact of Provenience Identification on the Study of Prehistoric Exchange Networks” (B.A. Vargo, R.H. Tykot & M. Tosi), 67th Annual Meeting of the Society for American Archaeology, March 20-24, 2002, Denver.

102. Invited Discussant for “Forum on Interdisciplinary Approaches in Archaeology,” 67th Annual Meeting of the Society for American Archaeology, March 20-24, 2002, Denver.

101. “Provenance of Etruscan Pottery from Poggio Colla, Italy: A Chemical Characterization Study” (J.Winkler, R.H. Tykot & G. Warden), 103rd Annual Meeting of the Archaeological Institute of America, January 3-6, 2002, Philadelphia. Abstract in American Journal of Archaeology 106:254, 2002.

100. “Geoarchaeological Survey and Characterization of the Central Mediterranean Obsidian Sources: New Approaches to an Old Problem” (R.H. Tykot, L. Beyer, T. Setzer, B. Vargo, J. Bernal & J. Bliss), 103rd Annual Meeting of the Archaeological Institute of America, January 3-6, 2002, Philadelphia. Abstract in American Journal of Archaeology 106:254, 2002.

99. “New Approaches to the Characterization and Interpretation of Obsidian from the Mediterranean Island Sources,” invited paper for the Materials Issues in Art and Archaeology VI Symposium, Fall 2001 Meeting of the Materials Research Society, November 26-30, 2001, Boston.

98. “The Contribution of Bone Chemistry to Reconstructing Subsistence in the Mediterranean,” XIV Congress of the International Union of Prehistoric and Protohistoric Sciences, Liège, Belgium, September 2-8, 2001.

97. “Neolithic Exploitation and Trade of Obsidian in the Central Mediterranean: New Results and Implications for Cultural Interaction,” XIV Congress of the International Union of Prehistoric and Protohistoric Sciences, Liège, Belgium, September 2-8, 2001.

96. “Stable Isotope Analysis and Hunter-Gatherer Diets in Patagonia” (Robert H. Tykot, J. Belardi, L. Borrero, J. Gomez Otero, Scott Grammer, R. Guichon & Jennifer Kelly), Archaeological Science 01, August 29-September 1, 2001, Newcastle.

95. “Contribution of Stable Isotope Analysis to Understanding Dietary Variation among the Maya,” 222nd American Chemical Society National Meeting, August 26-30, 2001, Chicago.

94. “Geochemical Analysis of Obsidian from Multiple Flows on Island Sources: Interpreting Trade Mechanisms in Western Mediterranean Prehistory,” 222nd American Chemical Society National Meeting, August 26-30, 2001, Chicago.

93. “Craft Specialization in Late Classic Ulúan Communities: Ulúa Style Marble Vases” (C. Luke & R.H. Tykot), 66th Annual Meeting of the Society for American Archaeology, April 18-22, 2001, New Orleans.

92. “Integrating Analytical, Archaeological and Ethnographic Subsistence Data: A Case Study from Patagonia, South America” (J. Kelly, S. Grammer, R. Tykot, J. Belardi, L. Borrero, J. Gomez Otero & R. Guichon), 66th Annual Meeting of the Society for American Archaeology, April 18-22, 2001, New Orleans.

91. Invited discussant for the symposium “Studying Lithic Economies in the New Millennium” (organizers Gregory Bondar & Philip LaPorta), 66th Annual Meeting of the Society for American Archaeology, April 18-22, 2001, New Orleans.

90. Invited discussant for the symposium “Resolution & Refinement: Leading Edge Research in Archaeological Chemistry” (organizers Kelly Knudson and David Meiggs), 66th Annual Meeting of the Society for American Archaeology, April 18-22, 2001, New Orleans.

89. “Obsidian as an Indicator of Prehistoric Trade and Interaction in the Adriatic Basin” (R.H. Tykot, B. Bass & P. Della Casa), 66th Annual Meeting of the Society for American Archaeology, April 18-22, 2001, New Orleans.

88. “Stable Isotope Analysis of a Scandinavian Island Population: Dietary Change during the Viking and Early Christian Periods” (S. Kosiba, R.H. Tykot & D. Carlsson), 66th Annual Meeting of the Society for American Archaeology, April 18-22, 2001, New Orleans.

87. “The Characterization of Obsidian from Pantelleria (Italy): The Archaeological Significance of Multiple Island Sources” (B.A. Vargo, R.H. Tykot, J. Julie Bliss, V. Colella, M. Tosi & S. Tusa), 66th Annual Meeting of the Society for American Archaeology, April 18-22, 2001, New Orleans.

86. “Obsidian Sources on Lipari (Italy): A Reexamination of a Complex Island System” (L.G. Beyer, R.H. Tykot, B.A. Vargo & J. Bliss), 66th Annual Meeting of the Society for American Archaeology, April 18-22, 2001, New Orleans.

85. “New Approaches to the Characterization and Interpretation of Obsidian from the Central Mediterranean Island Sources” (J. Bliss, R.H. Tykot & B.A. Vargo), 66th Annual Meeting of the Society for American Archaeology, April 18-22, 2001, New Orleans.

84. “Intradental Variation in Stable Carbon Isotope Ratios in Human Tooth Enamel” (J.W. Wilson, R.H. Tykot & D.H. Ubelaker), 70th Annual Meeting of the American Association of Physical Anthropologists, March 28-31, 2001, Kansas City. Abstract in American Journal of Physical Anthropology 114(S32), 2001: 166.

83. “Geoarchaeological Survey of Obsidian Sources on Pantelleria (Italy),” 102nd Annual Meeting of the Archaeological Institute of America, January 3-6, 2001, San Diego. Abstract

82. “Dieta a partir de isótopos estables en restos óseos humanos de Patagonia Austral. Estado actual y perspectivas (L.A. Borrero, R.A. Guichón, R.H. Tykot & J. Kelly), IV Congreso de la Asociación Latinoamericana de Antropología Biológica, October 2000, Uruguay. Abstract

81. “Isotopic Analysis of Rosso Antico and Bichrome Marble Objects from the Boston Museum” (R.H. Tykot & J.J. Herrmann, Jr.), 6th International Conference of the Association for the Study of Marble and Other Stones in Antiquity, June 15-18, 2000, Venice, Italy. Abstract

80. “The End of the Line: Obsidian in Northern Italy and Southern France” (R.H. Tykot), 6th International Conference of the Association for the Study of Marble and Other Stones in Antiquity, June 15-18, 2000, Venice, Italy. Abstract

79. “Marble Carving Traditions in Honduras: Early Formative through Terminal Classic” (C.M. Luke, R.A. Joyce, J.S. Henderson & R.H. Tykot), 6th International Conference of the Association for the Study of Marble and Other Stones in Antiquity, June 15-18, 2000, Venice, Italy. Abstract

78. “Nuove analisi di reperti di ossidiana rinvenuti nella provincia di Livorno” (R.H. Tykot, B.A. Vargo, C. Tozzi, G. Radi & A. Ammerman), XXXV Riunione Scientifica, Le Comunità della Preistoria Italiana. Studi e Ricerche sul Neolitico e le Età dei Metalli in memoria di Luigi Bernabò Brea, Lipari, June 2-7, 2000. Abstract

77. “Ricostruzione di aspetti marittimi e sociali nello scambio di ossidiana durante il neolitico, tramite analisi GIS” (J.E. Robb, R.H. Tykot, et al.), XXXV Riunione Scientifica, Le Comunità della Preistoria Italiana. Studi e Ricerche sul Neolitico e le Età dei Metalli in memoria di Luigi Bernabò Brea, Lipari, June 2-7, 2000. Abstract

76. “Microsampling and Understanding Variation in Stable Carbon Isotope Ratios in Tooth Enamel” (R.H. Tykot, D.H. Ubelaker & J.W. Wilson), 32nd International Archaeometry Symposium, May 15-19, Mexico City, Mexico. Abstract

75. “Comparison of Obsidian Analyses by Multiple Techniques: Determining Meaningful Levels of Resolution for Central Mediterranean Provenance Studies” (R.H. Tykot, M.D. Glascock & C.E. Skinner), 32nd International Archaeometry Symposium, May 15-19, Mexico City, Mexico. Abstract

74. “A Scientific Study of Marble Vases and Sources from the Ulua Valley of Honduras: Stable Isotope and Petrographic Analysis” (C.M. Luke, R.H. Tykot & R. Scott), 32nd International Archaeometry Symposium, May 15-19, Mexico City, Mexico. Abstract

73. “Problems and Prospects for Dietary Reconstruction Using Strontium-calcium Ratio Analysis: New Analyses of South African Hominid Fossils” (J.W. Wilson, R.H. Tykot & J.F. Thackeray), 32nd International Archaeometry Symposium, May 15-19, Mexico City, Mexico. Abstract

72. “Strontium-Calcium Ratio Analysis and Dietary Adaptations of Early Hominids from South Africa: A Reevaluation of Interpretive Problems in Light of New Analyses” (J.W. Wilson, R.H. Tykot & J.F. Thackeray), 69th Annual Meeting of the American Association of Physical Anthropologists, San Antonio, Texas, April 12-15, 2000. Abstract in American Journal of Physical Anthropology supplement 30 (2000): 324. Abstract

71. “Diet, Demography, and Decapitation in the Late Postclassic: Stable Isotope Analysis of Human Teeth from Iximché, Guatemala” (R.H. Tykot, S.L. Whittington, D.M. Reed & J. Wilson), 65th Annual Meeting of the Society for American Archaeology, Philadelphia, April 5-9, 2000. Abstract

70. “Obsidian Analysis and Neolithic Trade in Northern Italy” (B. Vargo, R.H. Tykot, C. Tozzi & G. Radi), 65th Annual Meeting of the Society for American Archaeology, Philadelphia, April 5-9, 2000. Abstract

69. “Stable Isotope Analysis and Prehistoric Human Diet in Southern Patagonia” (J. Kelly, R.H. Tykot, R. Guichon & L. Borrero), 65th Annual Meeting of the Society for American Archaeology, Philadelphia, April 5-9, 2000. Abstract

68. “Stable Isotope Analysis and Maya Diet at La Milpa, Belize (E.B. Mansell, R.H. Tykot, & N.D.C. Hammond), 65th Annual Meeting of the Society for American Archaeology, Philadelphia, April 5-9, 2000. Abstract

67. “Anasazi Subsistence in La Plata, New Mexico: Carbon, Corn and Culture” (M.L. Whitaker, R.H. Tykot, D.L. Martin, H.W. Toll & N.J. van der Merwe), 65th Annual Meeting of the Society for American Archaeology, Philadelphia, April 5-9, 2000. Abstract

66. “A Multidisciplinary Approach to Exploring the Introduction and Early Role of Maize in Western South America” (J.E. Staller, R.H. Tykot & R.G. Thompson), 28th Annual Midwest Conference of Andean & Amazonian Archaeology and Ethnohistory, Fort Wayne, Indiana, February 26-27, 2000. Abstract

65. “Reconstructing Mediterranean Diets: the Contribution of Bone Chemistry” (R.H. Tykot & J.E. Robb), 101st Annual Meeting of the Archaeological Institute of America, Dallas, December 27-30, 1999. Abstract

64. "Current and Future Directions in Central Mediterranean Obsidian Studies" (R.H. Tykot), Central Mediterranean Prehistory, Institute of Archaeology, University College London, November 13, 1999. Abstract

63. “Nuevas determinaciones de isótopos estables para Tierra del Fuego y el sur de Patagonia” (R. Guichón, L.A. Borrero, A. Prieto, P. Cárdenas & R.H. Tykot), 4th Jornadas Nacionales de Antropología Biológica, San Salvador de Jujuy, 1999.

62. "Prehistoric Obsidian Trade in the Adriatic: New Evidence from Susac and Palagruza" (R.H. Tykot, L.R. Adams, B. Bass, T. Kaiser & S. Forenbaher), 64th Annual Meeting of the Society for American Archaeology, Chicago, March 24-28, 1999. Abstract

61. "Teaching Archaeological Science in the 21st Century," 16th Annual Visiting Scholars Conference "Archaeometry as Anthropology: Material Culture and Technology," Southern Illinois University, Carbondale, March 19-22, 1999. Abstract

60. "The Origins, Dispersal and Quantification of Maize Agriculture in the New World: Problems and Prospects for Stable Isotope Analysis," World Archaeological Congress 4, Cape Town, South Africa, January 10-14, 1999. Abstract

59. "Dieta y poblaciones humanas en la costa central del Chubut" (J. Gomez Otero, J. Bautista Belardi, R.H. Tykot & S.M. Grammer), IV Jornadas de Arqueologia de la Patagonia, Ríío Gallegos, 2 al 6 de noviembre de 1998, Santa Cruz, Argentina. Abstract

58. "Analysis of Classical Marble Sculptures in the Toledo Museum of Art" (S.E. Knudsen, C. Craine & R.H. Tykot), Vth International Conference of the Association for the Study of Marble and Other Stones in Antiquity, Boston, June 11-15, 1998. Abstract

57. "Thracian Horsemen - A Provenance Study of Marble Sculpture from Dobrudja-Romania" (M. Pentia, R.H. Tykot, L. Nedelcu & A. Barnea), Vth International Conference of the Association for the Study of Marble and Other Stones in Antiquity, Boston, June 11-15, 1998. Abstract

56. "On the Importation of Monumental Marble to Sardis," (R.H. Tykot & M.H. Ramage), Vth International Conference of the Association for the Study of Marble and Other Stones in Antiquity, Boston, June 11-15, 1998. Abstract

55. "Marble Sources and Artifacts from the Ulua Valley, Honduras" (C. Luke & R.H. Tykot), Vth International Conference of the Association for the Study of Marble and Other Stones in Antiquity, Boston, June 11-15, 1998. Abstract

54. "‘Thasian' Marble Sculptures in European and American Collections: Isotopic and other Analyses" (R.H. Tykot, J.J. Herrmann Jr., N.J. van der Merwe & R. Newman), Vth International Conference of the Association for the Study of Marble and Other Stones in Antiquity, Boston, June 11-15, 1998. Abstract

53. "The Origins and Dispersal of Maize Agriculture: A Review and Critical Assessment of the Isotopic Evidence," 31st International Symposium on Archaeometry, Budapest, Hungary, April 27-May 1, 1998. Abstract

52. "Archaeology, Biogeography, and Chronology: the ABC's of the Mesolithic-Neolithic Transition in the Western Mediterranean Islands," 3rd International Symposium 14C and Archaeology, Lyon, France, April 9, 1998. Abstract

51. "Isotopic Evidence for Reconstructing Prehistoric Subsistence Patterns in North-Central Patagonia, Argentina" (S. Grammer, R.H. Tykot, J. Gomez Otero, J. Belardi), 63rd Annual Meeting of the Society for American Archaeology, Seattle, March 27, 1998. Abstract

50. "Obsidian Studies in the Old World: Recent Advances in Methods, Research Design, and Interpretation," 63rd Annual Meeting of the Society for American Archaeology, Seattle, March 26, 1998. Abstract

49. Invited discussant for the symposium "From Glass to Ceramics: Archaeometry in Archaeological and Technological Studies," 63rd Annual Meeting of the Society for American Archaeology, Seattle, March 26, 1998.

48. Invited discussant for the symposium "Interdisciplinary Approaches in Archaeology: Tradition and Prospects," 63rd Annual Meeting of the Society for American Archaeology, Seattle, March 27, 1998.

47. "Elemental and Isotopic Analysis in Archaeology: Reconstructing Ancient Technology, Trade, and Subsistence," invited paper for the 1998 Pittsburgh Conference, New Orleans, March 1-6, 1998. Abstract

46. "Determining the Source of Lithic Artifacts: Reconstructing Trade in the Ancient World," invited paper in the colloquium "Written in Stone: The Multiple Dimensions of Lithic Analysis," 99th Annual Meeting of the Archaeological Institute of America, Chicago, Illinois, December 28, 1997. Abstract

45. "Bronze, Sea and Sardinia: Social and Technological Evolution in an Island Society," International Conference on Metals in Antiquity, Harvard University, September 10-13, 1997. Abstract

44. "The Longest Stone Age Trade Route in the World: Southwest Pacific Obsidian Reached Borneo (Malaysia) in the 5^th Millennium BC (R.H. Tykot & S. Chia), 62^nd Annual Meeting of the Society for American Archaeology, Nashville, April 5, 1997. Abstract

43. "On the Attribution to Thasos of Dolomitic Marble Sculpture and Architectural Elements" (R.H. Tykot, J.J. Herrmann, Jr., N.J. van der Merwe, & R. Newman), 98th Annual Meeting of the Archaeological Institute of America, New York, December 29, 1996. Abstract in American Journal of Archaeology 101(2):369, 1997.

42. "Islands in the Stream: New Interpretations of Extrainsular Communication and Cultural Interaction in the Mediterranean," 98th Annual Meeting of the Archaeological Institute of America, New York, December 28, 1996.

41. "Long-distance Obsidian Trade in Indonesia" (R.H. Tykot & S. Chia), Materials Research Society Fall Meeting, Boston, December 3, 1996. Abstract. This paper was featured in the Research News section of Science 274 (1996): 2012-2013.

40. "A Dynamic View of Obsidian Exploitation in the Western Mediterranean," XIII Congress of the International Union of Prehistoric and Protohistoric Sciences, Forlì (Italy), September 10, 1996. Abstract

39. "Changes in Subsistence, Settlement, and Social Interaction during the Neolithisation of the Western Mediterranean," XIII Congress of the International Union of Prehistoric and Protohistoric Sciences, Forlì (Italy), September 9, 1996. Abstract

38. "Iberian Bronze Figurines: Technological and Stylistic Analysis" (R.H. Tykot, L. Prados-Torreira & M.S. Balmuth), 13th International Bronze Congress, Cambridge, MA, May 30, 1996. Abstract

37. "Recipes for Sardinian Bronzes" (M.S. Balmuth & R.H. Tykot), 13th International Bronze Congress, Cambridge, MA, May 30, 1996. Abstract

36. "Isotopic Investigations of Dietary Dichotomies: the Importance of Maize and Marine Foods to Initial Period/Early Horizon Subsistence in Highland and Coastal Peru" (R.H. Tykot, N.J. van der Merwe & R.L. Burger), International Symposium on Archaeometry, Urbana, Illinois, May 23-24, 1996. Abstract

35. "The Dietary Significance of Prehistoric Maize in the Northern Andes: An Isotopic Perspective" (R.H. Tykot, N.J. van der Merwe & J.S. Athens), 61st Annual Meeting of the Society for American Archaeology, New Orleans, April 11, 1996. Abstract

34. "Movement of Monumental Marble to Lydian Sardis" (M. Ramage & R.H. Tykot), 97th Annual Meeting of the Archaeological Institute of America, San Diego, December 29, 1995. Abstract in American Journal of Archaeology 100(2):377, 1996.

33. "Neolithisation and Subsistence Change in Prehistoric Italy," 94th Annual Meeting of the American Anthropological Association, Washington, DC, November 15-19, 1995. Abstract

32. "Sardinian Black Gold: Selective Exploitation of Italian Obsidian during the Neolithic Period," Symposium on the Cultural Response to the Volcanic Landscape, Cumae, Italy, October 27-29, 1995. Abstract (English and Italian)

31. "A Multi-Method Approach to the Provenience of Mediterranean Obsidian: New Data on the Exploitation of the Monte Arci Sources in Sardinia," Fourth International Conference of the Association for the Study of Marble and Other Stones Used in Antiquity, Bordeaux, France, October 10, 1995. Abstract

30. "The Sources of Classical Marble Sculptures in the Museum of Fine Arts, Boston: An Update on their Isotopic Analysis" (with N.J. van der Merwe & J.J. Herrmann, Jr.), Fourth International Conference of the Association for the Study of Marble and Other Stones Used in Antiquity, Bordeaux, France, October 10, 1995. Abstract

29. "Weathering Surfaces on Classical Marble Sculptures: Isotopic and X-ray Diffraction Studies" (R.H. Tykot, R. Newman & N.J. van der Merwe), Fourth International Conference of the Association for the Study of Marble and Other Stones Used in Antiquity, Bordeaux, France, October 10-11, 1995. Abstract

28. "Changing Patterns of Settlement, Subsistence, and Social Interaction in Neolithic Sardinia," 60th Annual Meeting of the Society for American Archaeology, Minneapolis, Minnesota, May 5, 1995. Abstract

27. "The Source of Corse Obsidian: Neolithic Exchange in the Western Mediterranean" (R.H. Tykot & K. Hartshorn), 60th Annual Meeting of the Society for American Archaeology, Minneapolis, Minnesota, May 4, 1995. Abstract

26. "Archaeological Applications of ICP-Mass Spectrometry" (R.H. Tykot & S.M. Young), Archaeological Chemistry Symposium, 209th American Chemical Society National Meeting, Anaheim, April 5, 1995. Abstract

25. "Stable Isotope Analysis of Bone Collagen and Apatite in the Reconstruction of Human Diet: A Case Study from Cuello, Belize" (R.H. Tykot, N.J. van der Merwe & N. Hammond), Archaeological Chemistry Symposium, 209th American Chemical Society National Meeting, Anaheim, April 3, 1995. Abstract

24. "Radiocarbon Chronology for Prenuragic Sardinia," International Conference on Sardinian Stratigraphy and Mediterranean Chronology, Medford, Massachusetts, March 17-19, 1995.

23. "Procurement and Prestige: Patterns in the Provenience of Prehistoric Mediterranean Obsidian," 96th Annual Meeting of the Archaeological Institute of America, Atlanta, December 29, 1994. Abstract in American Journal of Archaeology 99(2):336, 1995.

22. "From Deer to Dogs: A Dynamic View of Subsistence, Status and Sociopolitical Development at Cuello, Belize" (R.H. Tykot, N.J. van der Merwe & N. Hammond), 93rd Annual Meeting of the American Anthropological Association, Atlanta, November 30, 1994. Abstract

21. "The Source of Corse Obsidian: Provenience Analysis based on Major Element Chemistry" (R.H. Tykot & K. Hartshorn), Science & Archaeology: Towards an Interdisciplinary Approach to Studying the Past, Cambridge, Massachusetts, October 14-16, 1994. Abstract

20. "Diet and Animal Husbandry of the Preclassic Maya at Cuello, Belize" (N.J. van der Merwe, R.H. Tykot, & N. Hammond), Fourth Advanced Seminar on Paleodiet, Banff, Alberta, Canada, September 4-9, 1994.

19. "Neolithisation in the Western Mediterranean Islands," 59th Annual Meeting of the Society for American Archaeology, Anaheim, April 23, 1994. Abstract

18. "Sourcing Greek and Roman Marble Sculpture in the Museum of Fine Arts, Boston: Combining Analytical, Archaeological, and Artistic Data" (R.H. Tykot, N.J. van der Merwe & J.J. Herrmann, Jr.), 95th Annual AIA Meeting, Washington, DC, December 30, 1993. Abstract in American Journal of Archaeology 98(2):338-39, 1994.

17. "Neolithisation in Sardinia: Settlement, Subsistence, and Social Interaction," 15th Annual Tufts University Colloquium on Sardinian Archaeology, December 3, 1993.

16. "Stable Carbon and Oxygen Isotope Sourcing of Marble Sculptures in the Museum of Fine Arts, Boston" (with N.J. van der Merwe, J.J. Herrmann, Jr., R. Newman, C.S. Czapski, & N. Herz), Third International ASMOSIA Conference, Athens, May 17, 1993. Abstract

15. "The Sources and Distribution of Sardinian Obsidian," 94th Annual Meeting of the Archaeological Institute of America, New Orleans, December 30, 1992.

14. "Regional Interaction in the Prehistoric Central Mediterranean: Chronological Variation as Evidenced by Obsidian Exchange," 57th Annual Meeting of the Society for American Archaeology, Pittsburgh, April 9, 1992. Abstract

13. "Radiocarbon Dating and Absolute Chronology in the Prehistoric Western Mediterranean: Current Problems and Future Prospects," 93rd Annual AIA Meeting, Chicago, December 30, 1991. Abstract in American Journal of Archaeology 96(2):371-372, 1992.

12. "The Sources and Distribution of Sardinian Obsidian," Archaeological Stone: Scientific and Technical Studies, The British Museum, London, November 15, 1991. Abstract

11. "Archaeological Applications of ICP Mass Spectrometry: An Obsidian Case Study," 56th Annual Meeting of the Society for American Archaeology, New Orleans, April 28, 1991. Abstract

10. "The Obsidian Trade in Prehistoric Italy: Reconstructing Social and Economic Organization by Modeling Exchange," 92nd Annual AIA Meeting, San Francisco, December 30, 1990. Abstract in American Journal of Archaeology 95(2):325, 1991.

9. "Obsidian Analysis and West Mediterranean Socio-Economic Organization," 89th Annual Meeting of the American Anthropological Association, New Orleans, December 1, 1990. Abstract

8. "Monte Arci Revisited: The Sources of Sardinian Obsidian," 12th Annual Tufts University Colloquium on Sardinian Archaeology, October 12, 1990.

7. "A Bronze Age Village in Sardinia: A Preliminary Report of the Excavations at Nuraghe Santa Barbara (Bauladu) 1986-1989" (L.J. Gallin & R.H. Tykot), 55th Annual Meeting of the Society of American Archaeology, Las Vegas, April 19, 1990. Abstract

6. "The Sea Peoples in Sicily, Sardinia and Etruria: A Reexamination of the Evidence in Light of Recent Archaeological Research," First Joint Archaeological Congress, Baltimore, January 8, 1989. Abstract

5. "Obsidian Analysis and Modelling Exchange in the Western Mediterranean," 90th Annual AIA Meeting, Baltimore, January 7, 1989. Abstract

4. "1988 Excavations at Nuraghe Santa Barbara in Bauladu" (R.H. Tykot & L.J. Gallin), 10th Annual Tufts University Colloquium on Sardinian Archaeology, December 9, 1988.

3. "The Trade and Distribution of Obsidian in the Western Mediterranean," 8th Annual Tufts University Colloquium on Sardinian Archaeology, November 21, 1986.

2. "Problems in the Functional Analysis of Punic Hearth Ceramics from Sardinia and Carthage," 7th Annual Tufts University Colloquium on Sardinian Archaeology, November 22, 1985.

1. "Problems in Obsidian: Nuragic Manufacture and Use," 4th Annual Tufts University Colloquium on Sardinian Archaeology, November 12, 1982. 

INVITED LECTURES

121. “Bone Chemistry and Ancient Diet in Italy and the Mediterranean,” University of Missouri, March 11, 2020.

120. “Ancient Diet Studies Using Elemental and Isotopic Analyses: Research Examples in the Americas,” Oxford University, England, May 23, 2019.

119. “Non-Destructive Portable XRF Analysis of Obsidian, Ceramics, Metals, Bone, Soils, and Paintings,” Brown University, Providence, Rhode Island, April 2, 2019.

118. “Bone Chemistry and Ancient Diet: Research in the Americas and the Mediterranean,” Brown University, Providence, Rhode Island, April 1, 2019.

117. “Food Practices in the Mediterranean World: Wasn't Something Fishy Going On?” Tampa Bay Society of the Archaeological Institute of America, Tampa, Florida, February 28, 2019.

116. “Bone Chemistry and Ancient Diet in the Americas,” University of South Florida, Tampa, January 29, 2019.

115. “Bone Chemistry and Ancient Diet in the Mediterranean and Mesoamerica,” Florida Atlantic University, Boca Raton, Florida, November 6, 2018.

114. “Using Non-Destructive Portable XRF Analysis to Study Trade, Composition, or Diet of Obsidian, Ceramics, Metals, Bone, and Other Materials,” Capital Normal University, Beijing, China, March 9, 2017.

113. “Isotopic and Element Analysis of Human Remains to Study Diet and Mobility in the Americas,” University of  Chinese Academy of Sciences, Beijing, China, March 2, 2017.

112. “Sardinia in the Ancient Mediterranean: Archaeological Evidence of Life in the Past,” Prime Timers, Tampa, FL, February 16, 2017.

111. “Bone Chemistry and Dietary Practices in the Mediterranean and Mesoamerica,” Boston University, Boston, MA, November 29, 2016.

110.  “Studying Diet in the Americas Using Isotopic and Elemental Analysis of Human Remains,” University of South Florida, October 19, 2016.

109. “L’uso dello spettrometro di fluorescenza a raggi X portatili sugli oggetti archeologici,” Università degli Studi di Napoli Federico II, Naples, Italy, June 13, 2016.

108. “Scambi dell’ossidiana liparota tra Neolitico e Bronzo. Riflessi sulla protostoria del lametino” (R.H. Tykot & A. Vianello), Lamezia, Italy, May 25, 2016.   

107. “Analysis of Paintings in the Prehistoric Genovese Cave (Levanzo, Egadi Islands, Sicily)” (R.H. Tykot, Andrea Vianello & K.P. Freund), 8th Annual Oktoberfest, University of South Florida, Tampa, October 17, 2014.

106. “Metal Objects in the Paolo Orsi Museum (Siracusa, Italy): Non-Destructive Compositional Analysis” (R.H. Tykot, A. Vianello, K.P. Freund & A. Crispino), 8th Annual Oktoberfest, University of South Florida, Tampa, October 17, 2014.

105. “Bronze Age Sardinia: The Nuragic People and their Towers, Giants' Tombs, and Use of Metals,” Time Sifters Archaeology Society, Sarasota, Florida, February 19, 2014.
 
104. “Material Movement Modes in the Medierranean: Obsidian Sourcing Using PXRF Instruments,” 7th Annual Oktoberfest, University of South Florida, Tampa, October 25, 2013.

103. “Isotopic and Element Analysis of Human Remains to Study Diet and Mobility in the New World,” University of Georgia, Athens, Georgia, March 20, 2013.

102. “Obsidian in the Mediterranean: The Prehistoric Trade of Black Gold,” Grand Bay Club, Longboat Key, Florida, February 27, 2013.
101. “Using Tissue Chemistry to Assess Individuals' Dietary Practices,” 6th Annual Tampa and Pinellas Dietetics Association Symposium, Carillon Outpatient Center, St. Petersburg, Florida, February 23, 2013.

100. “Isotopic and Elemental Analysis of Human Remains to Study Diet and Mobility in the New World,” Temple University, Philadelphia, PA, February 22, 2013.

99. “Dietary Practices in the Americas and the Spread of Maize”, Mississippi State University, Starkville, MS, February 7, 2013.

98. “Non-Destructive Sourcing of Prehistoric Pottery from the Southeastern United States Using pXRF,” 6th Annual Oktoberfest, University of South Florida, Tampa, October 26, 2012.

97. “Investigation of Subsistence and Settlement Patterns Within the Hungarian Avar Tribe Using Multi-Isotopic Analyses” (L. Noche-Dowdy, M.A. Pope, R.H. Tykot, G.D. Kamenov & E.H. Kimmerle), 6th Annual Oktoberfest, University of South Florida, Tampa, October 26, 2012.

96. “Finger-Impressed Phoenician-Punic Hearth Ceramics: Testing for Potential Metallurgical Usage,” 6th Annual Oktoberfest, University of South Florida, Tampa, October 26, 2012.

95. “Non-Destructive Trace Element Analysis of Human Bones to Examine Diet and Mobility,” 6th Annual Oktoberfest, University of South Florida, Tampa, October 26, 2012.

94. A Provenance Study of Pottery from Dilmun Sites in Kuwait and Bahrain Using Non-Destructive XRF Analysis” (H. Ashkanani, R.H. Tykot & T. Murakami), 6th Annual Oktoberfest, University of South Florida, Tampa, October 26, 2012.

93. “Trace Element Analysis of Late Horizon Pottery from the Huancabamba Valley, Cajamarca, Peru” (J. Pena & R.H. Tykot), 6th Annual Oktoberfest, University of South Florida, Tampa, October 26, 2012.

92. “Using Elemental and Isotopic Analysis for Studying Ancient Trade of Marble, Obsidian, Ceramics, and Metals,” invited lecture for the Anthropology Club, University of South Florida, Tampa, March 28, 2012.

91. “Using X-ray Fluorescence for Materials Analysis and Trade Studies of Pottery and Other Materials,” invited lecture for the South Florida chapter of the Archaeological Institute of America, Boca Raton, FL, March 12, 2012.

90. “Sourcing of Obsidian and Marble in the Mediterranean,” invited lecture for Environmental Studies/Art History, Emory University, Atlanta, Georgia, February 21, 2012.

89. “Reconstructing Ancient Diets in the New World thru Bone Chemistry,” Warm Mineral Springs/Little Salt Springs Archaeological Society, North Port, Florida, December 13, 2011.

88. “Non-Destructive Elemental Analysis of Ceramics and Other Materials: Case Studies in Florida and Elsewhere,” 5th Annual Oktoberfest, University of South Florida, Tampa, October 21, 2011.

87. “Using Element and Isotopic Analysis of Ancient Human Bones to Study Migration and Diet in Prehistoric Peru” (C. Bergmann & R.H. Tykot), 5th Annual Oktoberfest, University of South Florida, Tampa, October 21, 2011.

86. “Non-Destructive Portable XRF for Elemental Analysis of Archaeological Metals, Ceramics, Obsidian, Bone, and Soil,” Stavanger, Norway, September 13, 2011.

85. “Food and Dietary Practices in the Ancient Mediterranean,” invited lecture for the AIA tour “Rome to Venice”, April 25, 2011.

84. “Prehistoric Malta Temples and Hypogea,” invited lecture for the AIA tour “Rome to Venice”, April 23, 2011.

83. “Ancient Trade in the Mediterranean,” invited lecture for the AIA tour “Rome to Venice”, April 21, 2011.

82. “Bronze Age Sardinia and Corsica,” invited lecture for the AIA tour “Rome to Venice”, April 19, 2011.

81. “You Are What You Ate: Chemical Analysis of Human Remains,” invited lecture for the Anthropology Club, University of South Florida, Tampa, October 28, 2010.

80. “Environmental Change and Prehistoric Dietary Adaptations: Chemical Analyses of Human Remains,” invited lecture for the Environmental Research Interdisciplinary Colloquium  seminar series, University of South Florida, Tampa, September 22, 2010.

79. “Ancient Mediterranean Diets,” invited lecture for the AIA tour “Fabled Islands of the Mediterranean,” May 31, 2010.

78. “Bronze Age Sardinia and Corsica,” invited lecture for the AIA tour “Fabled Islands of the Mediterranean,” May 30, 2010.

77. “Trade in the Ancient Mediterranean,” invited lecture for the AIA tour “Fabled Islands of the Mediterranean,” May 29, 2010.

76. “Malta: Prehistoric Temples and Hypogea,” invited lecture for the AIA tour “Fabled Islands of the Mediterranean,” May 28, 2010.

75. “Scientific Applications in Archaeology: Elemental and Isotopic Analyses of Bones and Stones,” invited lecture for Undergraduate Research Board, University of South Florida, Tampa, March 2, 2010.

74. “They Are What They Ate: Bone Chemistry and Ancient Diets,” Sigma Xi Distinguished Lectureship Program, Franklin & Marshall College, Lancaster, PA, December 11, 2009.

73. “BC & AD in Latin America: Stable Isotope Analysis and Precolumbian Human Diets,” University of Florida, Gainesville, Florida, September 25, 2009.

72. “Using Portable XRF for Elemental Analysis of Obsidian, Metals, Ceramics, and Other Archaeological Materials,” University of Florida, Gainesville, Florida, September 25, 2009.

71. “Bone Chemistry and Ancient Diets in the New World,” New College, Sarasota, Florida, March 16, 2009.

70. “Non-Destructive Portable X-Ray Fluorescence Analysis” (R.H. Tykot & R.D. Bowers), 58th Annual Meeting, Southeastern Section, Geological Society of America, St. Petersburg, Florida, March 12, 2009.

70. “Using Portable XRF for Elemental Analysis of Stone, Metal, Ceramic, Bone, Soil and Other Archaeological Materials,” Central Gulf Coast Archaeological Society, Weeden Island Preserve, December 18, 2008.

69. “Sardinia in the Mediterranean: Trade in Obsidian, Metals, and Ceramics from the Neolithic to the Iron Age,” Time Sifters, Selby Library, Sarasota, Florida, November 19, 2008.

68. “Mystery Skull: Paleopathology and Biological Variation in an Indigenous Australian” (C. Echazabal, E.H. Kimmerle, & R.H. Tykot), University of South Florida Graduate School Student Success Research Symposium, Tampa, FL, November 6, 2008.

67. “Castello di Fiumedinisi Field Program 2008,” Sigonella US Naval Base, Sicily, Italy, June 17, 2008.

66. “Using Portable XRF for Elemental Analysis of Archaeological Material Including Obsidian, Metals, and Ceramics,” Università degli Studi di Cagliari, Dipartimento di Scienze Archeologiche e Storico-Artistiche, Sardinia, Italy, May 21, 2008.

65. “L’Algérie dans le commerce international de marbre, résultats des tests” (J. Herrmann, R.H. Tykot & A. van den Hoek), Constantine Museum, Constantine, May 4, 2008.

64. “Reconstituer le Commerce du Marbre et d’autres matériaux”, Constantine Museum, Constantine, May 4, 2008.

63. “L’Algérie dans le commerce international de marbre, résultats des tests” (J. Herrmann, R.H. Tykot & A. van den Hoek), Algeria, April 29, 2008.

62. “Reconstituer le Commerce du Marbre et d’autres matériaux”, Algiers Museum, Algeria, April 29, 2008.

61. “BC/AD in the New World? Using Bone Chemistry to Study Ancient Diets,” Southwest Florida Archaeological Society and Florida Gulf Coast University, Fort Myers, Florida, March 19, 2008.

60. “Obsidian Subsources and Trade in the Mediterranean: Nondestructive Chemical Fingerprinting,” Fitch-Wiener Labs Seminar on Science-Based Archaeology, Athens, Greece, February 20, 2008.

59. “Isotope Studies and the Origins and Spread of Agriculture in Latin America”, University of Florida, Gainesville, Florida, September 27, 2007.

58. “Applicazioni scientifiche in Archeologia”, Giornate Archeologiche Nisane, Progetto di scavo a Monte Belvedere, Fiumedinisi. Alì (Sicily), June 16, 2007.

57. “Bone Chemistry and Ancient Diets in the Mediterranean”, Tufts University, Medford, Massachusetts, April 13, 2007.

56. “Stable Isotope Analysis of Human Remains to Study Ancient Diets in the New World”, Tufts University, Medford, Massachusetts, April 12, 2007.

55. “"Fantastic" Archaeology: What Inquiring Minds Should Know,” Time Sifters, Sarasota, Florida, February 21, 2007.

54. “Bronze Age Sardinia and its Mediterranean Connections,” University of Georgia, Athens, Georgia, March 29, 2006.

53. “They Are What They Ate: Bone Chemistry and Ancient Diets,” University of Georgia, Athens, Georgia, March 28, 2006.

52. “Neolithic to Nuragic Sardinia: Black Gold, Bronze, and Bones nella più Bell'Isola del Mediterraneo,” John Cabot University, Rome, Italy, March 13, 2006.

51. “Fantastic Archaeology: Critical Thinking and the Study of the Past,” Center for Inquiry, Tampa, Florida, February 18, 2006.

50. “Sardinia in the Mediterranean ,” Italian-American Culture Club (Amici), Sun City, Florida, February 8, 2006. 

49. “Obsidian Sources, Workshop Production, Trade and Use in the Central Mediterranean,” University of Cambridge, England, November 4, 2005.

48. “Scientific Studies of Obsidian Sources and Trade in the Central Mediterranean,” University of Manchester, England, November 3, 2005.

47. “Sardinia in the Mediterranean: Sea Peoples and Other Connections in the Late Bronze-Early Iron Age,” Oriental Institute, Chicago, Illinois, March 4, 2005.

46. “BC/AD? Bone Chemistry and Ancient Diets,” University of Chicago, Illinois, March 3, 2005.

45. “Mediterranean Trade in Black Gold: The Chaîne Opératoire of Obsidian,” Northwestern University, Evanston, Illinois, March 3, 2005.

44. “Bridging the Gap between Social Science and Materials Science: Archaeologists Use Modern Technology to Study Ancient Technology” (C.E. Wells & R.H. Tykot), Symposium on 21st Century Teaching Technologies: A Continuing Series of Explorations, University of South Florida, Tampa, March 2, 2005.

43. “The Contribution of Stable Isotope Studies to New World Archaeology,” Las Leñas, Argentina, January 22, 2005.

42. “Obsidian Sources and Trade in the Central Mediterranean,” Las Leñas, Argentina, January 22, 2005.

41. “The Contribution of Stable Isotope Studies to New World Archaeology,” Universidad de Chile, Santiago, Chile, January 18, 2005.

40. “The Contribution of Stable Isotope Studies to New World Archaeology,” Florida State University, Tallahassee, Florida, December 7, 2004.

39. “They Are What They Ate: Stable Isotope Data for South American Diets,” Boston University, Boston, Massachusetts, December 2, 2004.

38. “Bone Chemistry Studies on Ancient Diet in Mesoamerica,” University of Massachusetts, Boston, Massachusetts, December 1, 2004.

37. “Understanding the Introduction and Importance of Maize in Latin America: The Contribution of Stable Isotope Analysis,” Harvard University, Cambridge, Massachusetts, November 15, 2004.

36. “Keynote Speech: Obsidian Studies in the World,” Opening of Obsidian Museum in Nagato Township, Japan, September 5, 2004.

35. “Sardinia in the Mediterranean,” The Education Center, Longboat Key, Florida, March 23, 2004.

34. “Pre-Roman Sardinia and its Mediterranean Connections,” Emory University, Atlanta, Georgia, March 4, 2004.

33. “Nuclear Techniques in Archeology,” Istituto di Fisica Generale Applicata, University of Milan, Italy, September 23, 2003.

32. A series of lectures as part of a postdoctoral course on “Physics Methods in Archaeometry,” International School of Physics “Enrico Fermi”, Società Italiana di Fisica, Varenna, Italy, June 17-27, 2003.

31. “Ancient Diet and its Role in the Rise and Fall of the Maya,” Latin American and Caribbean Studies Program, University of South Florida, March 20, 2003.

30. “Prelude to Greek and Phoenician Colonization of Southern Italy: Merchants, Prospectors, and other Connections with the Aegean in the Late Bronze Age,” Tampa Museum of Art, Tampa, Florida, March 6, 2003.

29. “Diet and Subsistence in Latin America: Contributions from Stable Isotope Analysis,” Missouri University Research Reactor, Columbia, Missouri, February 27, 2003.

28. “Sardinia in the Mediterranean during the Neolithic and Bronze Ages,” Missouri Archaeological Society, Columbia, Missouri, February 26, 2003.

27. “Sardinia in Mediterranean Prehistory,” Time Sifters Archaeology Society, Sarasota, Florida, November 20, 2002.

26. “Bone Chemistry and the Reconstruction of Prehistoric Subsistence Adaptations in Latin America,” University of Georgia, Athens, March 1, 2002.

25. “Mediterranean Black Gold: Prehistoric Exploitation and Trade of Obsidian,” University of Georgia, Athens, February 28, 2002.

24. “Sardinia in the Mediterranean,” Archaeological Institute of America, South Pennsylvania Society, Gettysburg College, November 8, 2001.

23. “Prehistoric Obsidian Trade in the Mediterranean,” R.S. Webster Lecture, Archaeological Institute of America, Columbus (Ohio) Society, November 7, 2001.

22. “Sardinia in the Mediterranean,” R.S. Webster Lecture, Archaeological Institute of America, Appleton (Wisconsin) Society, November 6, 2001.

21. “Decoding Ancient Diets: Indigenous Subsistence Adaptations in Latin America,” R.S. Webster Lecture, Archaeological Institute of America, Iowa City Society, November 5, 2001.

20. “Deer, Dogs, and the Diet of the Maya,” USF Latin American and Caribbean Studies Symposium ‘The Cultures of the Gulf of Mexico,’ St. Petersburg, April 27, 2001.

19. “Scientific Approaches to Studying Past Human Socioeconomic Systems: Current Research and an Agenda for the Future,” The Field Museum of Natural History, Chicago, February 9, 2001.

18. “Reconstructing Subsistence Patterns and Social Relations: Some Recent Applications in Latin America,” The Field Museum of Natural History, Chicago, February 8, 2001.

17. “Snorkeling for Black Gold on Mediterranean Islands (or what I did this summer),” Anthropology Club, University of South Florida, Tampa, October 16, 2000.

16. “Stable Isotopes and Reconstructing Ancient Diets: Recent Developments and Applications in the New and Old World,” University of Pennsylvania, Philadelphia, Pennsylvania, December 3, 1999.

15. “The Archaeology of Sardinia - Recent Developments,” West Chester University, West Chester, Pennsylvania, December 3, 1999.

14. “New Directions in Dietary Reconstruction from Stable Isotopes: Some Examples from the New and Old Worlds,” Oxford University, Oxford, England, November 11, 1999.

13. “State of the Art in Obsidian Sourcing and Archaeological Interpretation,” University of Nottingham, Nottingham, England, November 10, 1999.

12. “Problems and Prospects for Dietary Reconstruction from Stable Isotopes: Some Examples from the New and Old Worlds,” Bradford University, Bradford, England, November 9, 1999.

11. "Obsidian Trade and the Neolithic in the Mediterranean," Department of Anthropology, University of Florida, Gainesville, April 14, 1999.

10. "Geochemical Analysis of Obsidian Artifacts: Reconstructing Ancient Trade in the Mediterranean," Department of Geology Seminar Series, University of South Florida, Tampa, February 16, 1998.

9. "Prehistoric People and the Environment: The Ecological Impact of Human Settlement and the Introduction of Agriculture and Animal Husbandry," Environmental Science and Policy Colloquium Series, University of South Florida, Tampa, January 23, 1998.

8. "From Manatees to Maize: Reconstructing Human Diet in the New World," Warm Mineral Springs Archaeological Society, North Port, Florida, December 10, 1997.

7. "Bone Chemistry, Human Diets, and the Origins of Maize Agriculture in the New World," Department of Biology Seminar Series, University of South Florida, Tampa, November 7, 1997.

6. "Decoding Ancient Diets: Maize and Marine Foods in Mesoamerica and Other Areas of the New World," Central Gulf Coast Archaeological Society, St. Petersburg, June 10, 1997.

5. "Determining the Source of Things: Prehistoric Obsidian Exchange in Southeast Asia and Melanesia," Anthropology Club, University of South Florida, March 26, 1997.

4. "The Nuraghi Builders: Sardinia and the Bronze Age Mediterranean," Tampa Bay Society of the Archaeological Institute of America, January 21, 1997.

3. "Obsidian Exchange and Western Mediterranean Prehistory: New Evidence from Sardinia," Norwalk Community Technical College, Norwalk, March 14, 1996.

2. "Searching for Subsistence: Deer, Dogs, and the Diet of the Maya," University of South Florida, Tampa, March 1, 1996.

1. "Obsidian Exploitation and the Social Economy in the Neolithic Central Mediterranean," Wayne State University, Detroit, January 18, 1995.