Drilling and geohydrologic data for test hole USW UZ-1, Yucca Mountain, Nye County, Nevada

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This report presents data collected to determine the hydrologic characteristics of tuffaceous rocks penetrated in test hole USW UZ-1. The borehole is the first of two deep, large-diameter, unsaturated-zone test holes dry drilled using the vacuum/reverse-air-circulation method. This test hole was drilled in and near the southwestern part of the Nevada Test Site, Nye County, Nevada, in a program conducted in cooperation with the US Department of Energy. These investigations are part of the Yucca Mountain Project (formerly the Nevada Nuclear Waste Storage Investigations) to identify a potentially suitable site for the storage of high-level radioactive wastes. Data are presented ... continued below

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44 p.

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Whitfield, M.S.; Thordarson, W.; Hammermeister, D.P. & Warner, J.B. December 31, 1990.

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Description

This report presents data collected to determine the hydrologic characteristics of tuffaceous rocks penetrated in test hole USW UZ-1. The borehole is the first of two deep, large-diameter, unsaturated-zone test holes dry drilled using the vacuum/reverse-air-circulation method. This test hole was drilled in and near the southwestern part of the Nevada Test Site, Nye County, Nevada, in a program conducted in cooperation with the US Department of Energy. These investigations are part of the Yucca Mountain Project (formerly the Nevada Nuclear Waste Storage Investigations) to identify a potentially suitable site for the storage of high-level radioactive wastes. Data are presented for bit and casing configurations, coring methods, sample collection, drilling rate, borehole deviation, and out-of-gage borehole. Geologic data for this borehole include geophysical logs, a lithologic log of drill-bit cuttings, and strike and distribution of fractures. Hydrologic data include water-content and water-potential measurements of drill-bit cuttings, water-level measurements, and physical and chemical analyses of water. Laboratory measurements of moisture content and matric properties from the larger drill-bit cutting fragments were considered to be representative of in-situ conditions. 3 refs., 5 figs., 10 tabs.

Physical Description

44 p.

Notes

Books and Open-File Reports Section, USGS, Federal Center, Box 25425, Denver, CO 80225-0425; OSTI as DE91006167

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  • Other Information: PBD: 1990

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  • Other: DE91006167
  • Report No.: USGS-OFR--90-354
  • Grant Number: AI08-78ET44802
  • DOI: 10.2172/137961 | External Link
  • Office of Scientific & Technical Information Report Number: 137961
  • Archival Resource Key: ark:/67531/metadc623997

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Office of Scientific & Technical Information Technical Reports

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

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • December 31, 1990

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  • June 16, 2015, 7:43 a.m.

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  • April 18, 2016, 6:29 p.m.

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Whitfield, M.S.; Thordarson, W.; Hammermeister, D.P. & Warner, J.B. Drilling and geohydrologic data for test hole USW UZ-1, Yucca Mountain, Nye County, Nevada, report, December 31, 1990; Denver, Colorado. (digital.library.unt.edu/ark:/67531/metadc623997/: accessed October 21, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.