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Aspartic Acid Racemization Ages of California Paleoindian Skeletons

Jeffrey L. Bada
American Antiquity
Vol. 50, No. 3 (Jul., 1985), pp. 645-647
DOI: 10.2307/280327
Stable URL: http://www.jstor.org/stable/280327
Page Count: 3
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
Aspartic Acid Racemization Ages of California Paleoindian Skeletons
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Abstract

The redating of the Laguna and Los Angeles Man skeletons by the accelerator mass spectrometry (AMS) radiocarbon method has shown that the Upper Pleistocene dates for these skeletons determined previously by the conventional radiocarbon method are probably incorrect. Using the revised ages for these skeletons to calibrate the aspartic acid racemization rate yields racemization ages for the Del Mar and Sunnyvale skeletons that are compatible with their AMS radiocarbon ages, a point that Taylor et al. (1985) fail to discuss.

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