Paleoenvironmental Analysis of a Late-Quaternary Cave       Deposit:  Eastern Bergingia
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Lower Rampart Cave 1 is significant as one of only three known                  arctic caves containing deposits in eastern Beringia which span                 the late-Quaternary.  Among the three arctic caves, it is unique                in containing the oldest, least disturbed and most complete                     stratigraphic record.  Paleoenvironmental analysis of this                      important cave deposit will provide objective new data necessary                to resolve some of the vigorously debated hypotheses regarding the              nature of the late Pleistocene/early Holocene environment of                    eastern Beringia, a hypothesis known as the Productivity Paradox.               As part of a larger on-going study, this research consists of five              components:  1) sediment analysis, 2) large mammal taphonomy, 3)                fossil pollen analysis, 4) charcoal species identification, and 5)              accelerator dating.  These analyses will contribute significant                 new data essential to understanding the full-glacial environment                of eastern Beringia, the timing and nature of the faunal and                    floral transition between the late Pleistocene and the Holocene,                and the abiotic response to the climatic amelioration following                 late-Wisconsin glaciation.
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