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Obsidian sources and distribution systems in Island Southeast Asia: new results and implications from geochemical research using LA-ICPMS |
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| Authors: | Christian Reepmeyer Matthew Spriggs Anggraeni Peter Lape Leee Neri Wilfredo P. Ronquillo Truman Simanjuntak Glenn Summerhayes Daud Tanudirjo Archie Tiauzon |
| Affiliation: | 1. Archaeology and Natural History, The Australian National University, H.C. Coombs Bldg. 9, Canberra ACT 0200, Australia;2. School of Archaeology & Anthropology, The Australian National University, AD Hope Bldg. 14, Canberra ACT 0200, Australia;3. Archaeology Department, Universitas Gadjah Mada, Jl. Nusantara No.1 Bulaksumur, Yogyakarta 55281, Indonesia;4. Dept. of Anthropology, University of Washington, Seattle, WA 98195, USA;5. Archaeological Studies Program, University of the Philippines, Diliman, Quezon City 1101, Philippines;6. National Museum of the Philippines, P. Burgos St., Ermita, 1000 Manila, Philippines;g Centre for Prehistoric and Austronesian Studies, National Research and Development Centre for Archaeology, Jl. Raya Condet Pejaten 4, Jakarta 12510, Indonesia;h Anthropology, Gender and Sociology, University of Otago, PO Box 56 Dunedin, New Zealand |
| Abstract: | This paper discusses new evidence of long-distance interaction networks in Island Southeast Asia obtained from geochemical analyses using SEM-EDXA and LA-ICPMS of 101 obsidian samples from 25 locations including seven obsidian sources and 19 archaeological sites. Given that there are obsidian sources distributed throughout much of Island Southeast Asia, the potential for obsidian studies to provide greater understanding of patterns of mobility and exchange in the Pre-Neolithic and Neolithic periods would seem to be considerable. This potential, however, remains largely unrealised as obsidian sourcing has hitherto only been carried out intermittently in Island Southeast Asia using PIXE-PIGME, XRF and other methods. |
| Keywords: | Island Southeast Asia Obsidian Sourcing LA-ICPMS |
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