POLLEN ANALYSIS AT SIMKINS FLAT, ARIZONA
收藏DataONE2012-11-26 更新2024-06-27 收录
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https://search.dataone.org/view/doi:10.6067:XCV8639P5N_meta$v=1353947638882
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资源简介：
Seven sediment samples collected at wide intervals from a stratigraphic column in Simkins
Flat, an alluviated valley in the Upper Basin, were examined to provide a pollen record of vegetation
and to search for evidence of maize. These samples represent two strata and a thin lens
separating them. The base of the upper stratum is anchored by radiocarbon dates of AD 782-984,
while a radiocarbon age near the base of the upper stratum is reported as AD 1415-1521.
创建时间：
2012-11-26
