Environments of the Last 50,000 Years in the Vicinity of Yucca Mountain, Central-Southern Nevadaby W. G. Spaulding, Univ of Washington, United States,
Abstract: Located within the southern hydrographic Great Basin, the Nevada Test Site lies astride the transition between the Mojave Desert to the south and the Great Basin Desert to the north. Fossil sites that provide information on environmental change in this area span ca. 2000 m of relief, from low elevations in the Amargosa Desert and Las Vegas Valley, to high elevations in the Sheep Range. For this paper I use fossil records on this gradient to illustrate some principal features of the Late Quaternary environments of the region. Related problems in refining paleoenvironmental chronologies and reconstructions also will be discussed.
Subject Headings: Radioactive wastes | Arid lands | Basins | Hydrologic data | Information management | Light rail transit | Hydrographs | Nevada | North America | United States | Las Vegas
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