Early Thai Bronze: Analysis and New Dates

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Science  30 Jun 1972:
Vol. 176, Issue 4042, pp. 1411-1412
DOI: 10.1126/science.176.4042.1411


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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