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Science 30 June 1972:
Vol. 176. no. 4042, pp. 1411 - 1412
DOI: 10.1126/science.176.4042.1411
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Articles

Early Thai Bronze: Analysis and New Dates

D. T. Bayard 1

1 Department of Anthropology, University of Otago, Dunedin, New Zealand

Electron probe analysis of the earliest metal found at the northeastern Thailand site of Non Nok Tha indicates that it is a bronze containing 4 to 6 percent tin. Recent thermoluminescence dates substantiate the presence of a well-developed bronze technology prior to 2300 B.C. and suggest a date of about 2700 to 2500 B.C. for the first appearance of bronze at the site.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)