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Science 20 December 1996:
Vol. 274. no. 5295, pp. 2012 - 2013
DOI: 10.1126/science.274.5295.2012b
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Research News

Robert F. Service

Boston--At a meeting of the Materials Research Society here earlier this month, a Malaysian and an American researcher presented a chemical analysis that links volcanic glass at a 6000-year-old archaeological site on Borneo to sources on islands 3500 kilometers to the east. The finding pushes back the earliest dates for long-distance sea trading on the Pacific by 2500 years, to 4000 B.C.

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