Geohydrologic data from test hole USW UZ-6s, Yucca Mountain, Nye County, Nevada

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As part of the investigation of Yucca Mountain, Nevada, as a potential site for storing high-level radioactive wastes in an underground mined geologic repository, the US Geological Survey, in cooperation with the US Department of Energy, in 1982, began drilling a series of test holes in and near the southwestern part of the Nevada Test Site to determine the geologic and hydrologic characteristics of the area. Test hole USW UZ-6s is part of that series of test holes, and this report presents data obtained from test hole USW UZ-6s. The data includes those from drilling operations, lithology, coring, and laboratory ... continued below

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25 p.

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Loskot, C.L. December 31, 1993.

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Description

As part of the investigation of Yucca Mountain, Nevada, as a potential site for storing high-level radioactive wastes in an underground mined geologic repository, the US Geological Survey, in cooperation with the US Department of Energy, in 1982, began drilling a series of test holes in and near the southwestern part of the Nevada Test Site to determine the geologic and hydrologic characteristics of the area. Test hole USW UZ-6s is part of that series of test holes, and this report presents data obtained from test hole USW UZ-6s. The data includes those from drilling operations, lithology, coring, and laboratory analyses of hydrologic properties, which include gravimetric water content, water potential, and bulk- and grain-density values. The gravimetric water content of the densely welded section of the Tiva Canyon Member of the Paintbrush Tuff averages 0.027 gram per gram for test hole USW UZ-6s; water potential averages {minus}7,200 kilo-pascals; gravimetric water content of the moderately to densely welded tuffs range from 0.054 gram per gram for the Tiva Canyon Member of the Paintbrush Tuff to 0.027 gram per gram for the Topopah Spring Member of the Paintbrush Tuff; and water potentials range from {minus}6,700 to {minus}3,400 kilopascals. Gravimetric water content for the partially welded to unnamed bedded tuffs average 0.123, 0.106, and 0.085 gram per gram for the Tiva Canyon Member, the unnamed bedded tuffs, and the Topopah Spring Member in test hole USW UZ-6s; average water potentials for these units are {minus}1,700, {minus}480, and {minus}820 kilopascals.

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25 p.

Notes

INIS; OSTI as DE94008084

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  • Other Information: PBD: 1993

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  • Other: DE94008084
  • Report No.: USGS-OFR--93-60
  • Grant Number: AI08-92NV10874
  • DOI: 10.2172/140688 | External Link
  • Office of Scientific & Technical Information Report Number: 140688
  • Archival Resource Key: ark:/67531/metadc621573

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Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • December 31, 1993

Added to The UNT Digital Library

  • June 16, 2015, 7:43 a.m.

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  • April 18, 2016, 6:44 p.m.

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Loskot, C.L. Geohydrologic data from test hole USW UZ-6s, Yucca Mountain, Nye County, Nevada, report, December 31, 1993; Denver, Colorado. (digital.library.unt.edu/ark:/67531/metadc621573/: accessed April 22, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.