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Pleistocene age determinations from california and Oregon

, : Pleistocene age determinations from california and Oregon. Science 152(3725): 1091-1092

Mollusks have been collected from Pleistocene marine deposits at Tomales Bay, California, and Cape Blanco, Oregon. Dating by the carbon-14 and thorium-230-uranium-234 methods suggests that the shells are at least 33,000 years old. The more probable age of the Tomales Bay locality is [image], 50,000 years.


PMID: 17754819

DOI: 10.1126/science.152.3725.1091

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