Environments of the Last 50,000 Years in the Vicinity of Yucca Mountain, Central-Southern Nevada

by W. G. Spaulding, Univ of Washington, United States,

Document Type: Proceeding Paper

Part of: High Level Radioactive Waste Management 1990


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: Arid lands | Radioactive wastes | Basins | Climate change | Hydrologic data | Light rail transit | Hydrographs | Environmental issues | Nevada | United States | Las Vegas

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