Pottery found at Spirit Cave, Thailand, has been claimed as among the earliest ceramics in the world – a radiocarbon date of 7500 BP being obtained from associated charcoal. However radiocarbon dating of organic resin found on some of the sherds gave a date of around 3000 BP. This is another example of improved precision in dating by pin-pointing the context and using AMS. The authors describe how it was done and assess its validity
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