IMPLICATIONS OF RADIOCARBON DATES FROM POTTER CREEK CAVE, SHASTA COUNTY, CALIFORNIA, USA
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作者:
Feranec, Robert S.
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New York State Museum & Sci Serv, Cultural Educ Ctr 3140, Albany, NY 12230 USANew York State Museum & Sci Serv, Cultural Educ Ctr 3140, Albany, NY 12230 USA
Feranec, Robert S.
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机构:
[1] New York State Museum & Sci Serv, Cultural Educ Ctr 3140, Albany, NY 12230 USA
New dates obtained from the bone collagen of mammals from the deposits in Potter Creek Cave, Shasta County, California, USA, show that these fossils were emplaced over the last 30,000 yr. The dates support the assignment of the fauna in the cave to the late Pleistocene and are contemporaneous to the dates obtained from the fauna of Samwel Cave located 5 km to the north. These new dates do not support previous radiocarbon dates suggesting a Holocene extinction of the extinct bovid Euceratherium collinum, and demonstrate that this and other megafauna were not present in the vicinity after the terminal Pleistocene.
机构:
U.S. Geological Survey, Florence Bascom Geoscience Center, 12201 Sunrise Valley Drive, MS 926A, Reston, 20192, VAU.S. Geological Survey, Florence Bascom Geoscience Center, 12201 Sunrise Valley Drive, MS 926A, Reston, 20192, VA
Swezey C.S.
Brent E.L.
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U.S. Geological Survey, Florence Bascom Geoscience Center, 12201 Sunrise Valley Drive, MS 926A, Reston, 20192, VAU.S. Geological Survey, Florence Bascom Geoscience Center, 12201 Sunrise Valley Drive, MS 926A, Reston, 20192, VA
机构:
US Geol Survey, Western Ecol Res Ctr, Dixon Field Stn, Dixon, CA 95620 USAUS Geol Survey, Western Ecol Res Ctr, Dixon Field Stn, Dixon, CA 95620 USA
Hothem, Roger L.
Jennings, Mark R.
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US Geol Survey, Piedras Blancas Field Stn, San Simeon, CA 93452 USA
Calif Acad Sci, Dept Herpetol, San Francisco, CA 94118 USAUS Geol Survey, Western Ecol Res Ctr, Dixon Field Stn, Dixon, CA 95620 USA
Jennings, Mark R.
Crayon, John J.
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US Geol Survey, Western Ecol Res Ctr, Davis Field Stn, Davis, CA 95616 USAUS Geol Survey, Western Ecol Res Ctr, Dixon Field Stn, Dixon, CA 95620 USA