accelerator mass spectrometer (Other Keyword)
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A Radiocarbon Date on the Residue Adhering to a Steatite Vessel from Southern Wyoming (1995)
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Wyoming’s steatite industry is at least 5500 years old, but steatite vessels are considerably more recent. Just how recent was determined by accelerator mass spectrometry (AMS) dating of the organic residue adhering to the inside of a fragmentary steatite vessel. The date of 101.7 ± 6 yrs BP is the first direct date on a steatite vessel in Wyoming. The surprisingly recent date raises questions about who used steatite vessels. Clearly, Shoshoni (and maybe even Euroamericans) used steatite in the...