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Obsidian Subsources Utilized at Sites in Southern Sardinia (Italy)

Published online by Cambridge University Press:  01 February 2011

Robert H Tykot ,
Michael D. Glascock ,
Robert J. Speakman  and
Enrico Atzeni
Robert H Tykot
Affiliation:
rtykot@cas.usf.edu, University of South Florida, Anthropology, 4202 E. Fowler Ave., SOC107, Tampa, FL, 33620, United States, 813 974-7279
Michael D. Glascock
Affiliation:
glascock@missouri.edu, University of Missouri-Columbia, Research Reactor Center, Columbia, MO, 65211, United States
Robert J. Speakman
Affiliation:
speakmanj@si.edu, Smithsonian Institution, Museum Conservation Institute, Suitland, MD, 20746, United States
Enrico Atzeni
Affiliation:
segscarc@unica.it, Universita di Cagliari, Dipartimento di Scienze Archeologiche e Storico-Artistiche, Cagliari, N/A, Italy
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Abstract

While geochemical analysis of obsidian artifacts is now widely applied around the world, both new instrumental methods and new research questions continue to be applied in archaeology. In the Mediterranean, many analytical methods have been employed and proven successful in distinguishing all of the island sources. In this study, results are presented from the virtually non-destructive, LA-ICP-MS multi-element analysis of 95 carefully selected obsidian artifacts from four neolithic period sites in southwestern Sardinia. The patterns of exploitation of specific Monte Arci obsidian subsources revealed in this study support a down-the-line model of obsidian trade during the neolithic period, but with chronological changes that are best explained by increased socioeconomic complexity.

Keywords

archaeologylaser ablationgeologic
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1047: Symposium Y – Materials Issues in Art and Archaeology VIII , 2007 , 1047-Y01-06
Copyright
Copyright © Materials Research Society 2008

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