296 Matching Results

Search Results

Results: 1 - 24 next
open access

Experimental Radiation Measurements in Conventional Structures: Part 2. Comparison of Measurements in Above-Ground and Below-Ground Structures From Simulated and Actual Fallout Radiation

Description: Report concerning the protection offered against radioactive fallout offered by two types of structures at the Nevada Test Site. Differences between above ground and underground structures are measured and compared to data taken from actual fallout conditions.
Date: February 1963
Creator: Burson, Z. G. (Zolin G.)
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Extended- and Point-Source Radiometric Program

Description: Report containing information regarding the airborne radiometric equipment intercalibration exercises undertaken by four government agencies and one private companies.
Date: March 1962
Creator: Davis, Francis John, 1915- & Reinhardt, Paul William, 1920-
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Neotectonics of the southern Amargosa Desert, Nye County, Nevada and Inyo County, California

Description: A complex pattern of active faults occurs in the southern Amargosa Desert, southern Nye, County, Nevada. These faults can be grouped into three main fault systems: (1) a NE-striking zone of faults that forms the southwest extension of the left-lateral Rock Valley fault zone, in the much larger Spotted Range-Mine Mountain structural zone, (2) a N-striking fault zone coinciding with a NNW-trending alignment of springs that is either a northward continuation of a fault along the west side of the R… more
Date: May 1, 1991
Creator: Donovan, D.E.
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries Government Documents Department
open access

Feasibility study of the seismic reflection method in Amargosa Desert, Nye County, Nevada

Description: The US Geological Survey (USGS) working under an Interagency agreement with the Department of Energy is engaged in a broad geoscience program to assess and identify a potential repository for high level nuclear waste at Yucca Mountain, Nye County, Nevada. The USGS program, referred to as the Yucca Mountain Project, or YMP, consists of integrated geologic, hydrologic and geophysical studies which range in nature from site specific to regional. This report is an evaluation of different acquisitio… more
Date: November 1, 1990
Creator: Brocher, T. M.; Hart, P. E. & Carle, S. F.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Summary and evaluation of existing geological and geophysical data near prospective surface facilities in Midway Valley, Yucca Mountain Project, Nye County, Nevada; Yucca Mountain Site Characterization Project

Description: Midway Valley, located at the eastern base of the Yucca Mountain in southwestern Nevada, is the preferred location of the surface facilities for the potential high-level nuclear waste repository at Yucca Mountain. One goal in siting these surface facilities is to avoid faults that could produce relative displacements in excess of 5 cm in the foundations of the waste-handling buildings. This study reviews existing geologic and geophysical data that can be used to assess the potential for surface… more
Date: January 1992
Creator: Gibson, J. D.; Swan, F. H.; Wesling, J. R.; Bullard, T. F.; Perman, R. C.; Angell, M. M. et al.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Preliminary hydrogeologic assessment of boreholes UE-25c No. 1, UE-25c No. 2, and UE-25c No. 3, Yucca Mountain, Nye County, Nevada; Water-resources investigations report 92-4016

Description: The purpose of this report is to characterize the hydrogeology of saturated tuffaceous rocks penetrated by boreholes UE-25c No. 1, UE-25c No.2, and UE-25c No. 3. These boreholes are referred to collectively in this report as the C-holes. The C-holes were drilled to perform multiwell aquifer tests and tracer tests; they comprise the only complex of closely spaced boreholes completed in the saturated zone at Yucca Mountain. Results of lithologic and geophysical logging, fracture analyses, water-l… more
Date: 1993
Creator: Geldon, A. L.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Lithologic and geophysical logs of drill holes Felderhoff Federal 5-1 and 25-1, Amargosa Desert, Nye County, Nevada

Description: Two wildcat oil and gas exploration holes drilled in 1991 on the northern edge of the Amargosa Desert penetrated Tertiary and Quaternary sedimentary rocks, alluvium, and basalt, possible Tertiary volcanic or volcaniclastic rocks, and Tertiary (?) and Paleozoic carbonate rocks. The easternmost of the two holes, Felderhoff-Federal 5-1, encountered about 200 feet of alluvium, underlain by 305 feet of basalt breccia and basalt, about 345 feet of probable Tertiary tuffaceous sedimentary rocks, and 6… more
Date: October 1, 1995
Creator: Carr, W. J.; Grow, J. A. & Keller, S. M.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Borehole and geohydrologic data for test hole USW UZ-6, Yucca Mountain area, Nye County, Nevada

Description: Test hole USW UZ-6, located 1.8 kilometers west of the Nevada Test Site on a major north-trending ridge at Yucca Mountain, was dry drilled in Tertiary tuff to a depth of 575 meters. The area near this site is being considered by the US Department of Energy for potential construction of a high-level, radioactive-waste repository. Test hole USW UZ-6 is one of seven test holes completed in the unsaturated zone as part of the US Geological Survey`s Yucca Mountain Project to characterize the potenti… more
Date: April 1, 1993
Creator: Whitfield, M. S., Jr.; Loskot, C. L. & Cope, C. M.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

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

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 … more
Date: 1990
Creator: Whitfield, M.S.; Thordarson, W.; Hammermeister, D.P. & Warner, J.B.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Characterization of liquid-water percolation in tuffs in the unsaturated zone, Yucca Mountain, Nye County, Nevada

Description: A surface-based borehole investigation currently (1989) is being done to characterize liquid-water percolation in tuffs of Miocene age in the unsaturated zone beneath Yucca Mountain, Nye County, Nevada Active in-situ testing and passive in-situ monitoring will be used in this investigation to estimate the present-day liquid-water percolation (flux). The unsaturated zone consists of a gently dipping sequence of fine-grained, densely fractured, and mostly welded ash-flow tuffs that are interbedde… more
Date: December 31, 1989
Creator: Kume, J. & Rousseau, J.P.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Precision and accuracy of manual water-level measurements taken in the Yucca Mountain area, Nye County, Nevada, 1988--1990; Water-resources investigations report 93-4025

Description: Water-level measurements have been made in deep boreholes in the Yucca Mountain area, Nye County, Nevada, since 1983 in support of the US Department of Energy`s Yucca Mountain Project, which is an evaluation of the area to determine its suit-ability as a potential storage area for high-level nuclear waste. Water-level measurements were taken either manually, using various water-level measuring equipment such as steel tapes, or they were taken continuously, using automated data recorders and pre… more
Date: May 1, 1994
Creator: Boucher, M.S.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Geohydrologic data from test holes UE-25 UZ #4 and UE-25 UZ #}5, Yucca Mountain Area, Nye County, Nevada

Description: Data collected to determine the hydraulic characteristics of rocks penetrated by test holes UE-25 UZ No. 4 and UE-25 UZ No. 5 are presented. These test holes are part of a series of test holes drilled in and near the southwestern part of the Nevada Test Site in an investigation conducted by the US Geological Survey in cooperation with the US Department of Energy. This investigation is part of the Yucca Mountain Project Branch, Hydrologic Investigations Program (formerly Nevada Nuclear Waste Sto… more
Date: December 1, 1992
Creator: Loskot, C. L. & Hammermeister, D. P.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Mesozoic and Cenozoic structural geology of the CP Hills, Nevada Test Site, Nye County, Nevada; and regional implications

Description: Detailed mapping and structural analysis of upper Proterozoic and Paleozoic rocks in the CP Hills of the Nevada Test Site, together with analysis of published maps and cross sections and a reconnaissance of regional structural relations indicate that the CP thrust of Barnes and Poole (1968) actually comprises two separate, oppositely verging Mesozoic thrust systems: (1) the west-vergent CP thrust which is well exposed in the CP Hills and at Mine Mountain, and (2) the east-vergent Belted Range t… more
Date: August 1, 1991
Creator: Caskey, S.J.
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries Government Documents Department
open access

Geohydrology of rocks penetrated by test well USW H-6, Yucca Mountain, Nye County, Nevada

Description: Test well USW H-6 is one of several wells drilled in the Yucca Mountain area near the southwestern part of the Nevada Test Site for investigations related to isolation of high-level nuclear waste. This well was drilled to a depth of 1,220 meters. Rocks penetrated are predominantly ash-flow tuffs of Tertiary age, with the principal exception of dacitic(?) lave penetrated at a depth from 877 to 1,126 meters. The composite static water level was about 526 meters below the land surface; the hydraul… more
Date: December 1, 1991
Creator: Craig, R.W. & Reed, R.L.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Gravity and magnetic study of the Pahute Mesa and Oasis Valley region, Nye County, Nevada

Description: Regional gravity and aeromagnetic maps reveal the existence of deep basins underlying much of the southwestern Nevada volcanic field, approximately 150 km northwest of Las Vegas. These maps also indicate the presence of prominent features (geophysical lineaments) within and beneath the basin fill. Detailed gravity surveys were conducted in order to characterize the nature of the basin boundaries, delineate additional subsurface features, and evaluate their possible influence on the movement of … more
Date: August 31, 1999
Creator: Dixon, G. L.; Fridrich, C. J.; Hildenbrand, T. G.; Laczniak, R. J.; Mankinen, E. A. & McKee, E. H.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Environmental assessment for the Groundwater Characterization Project, Nevada Test Site, Nye County, Nevada; Revision 1

Description: The US Department of Energy (DOE) proposes to conduct a program to characterize groundwater at the Nevada Test Site (NTS), Nye County, Nevada, in accordance with a 1987 DOE memorandum stating that all past, present, and future nuclear test sites would be treated as Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) sites (Memorandum from Bruce Green, Weapons Design and Testing Division, June 6, 1987). DOE has prepared an environmental assessment (DOE/EA-0532) to eval… more
Date: August 1992
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Water-level data from wells and test holes through 1991 and potentiometric contours as of 1991 for Yucca Flat, Nevada Test Site, Nye County, Nevada

Description: The underground nuclear testing program of the US Department of Energy (USDOE) takes place at the Nevada Test Site (NTS), about 65 mi north-west of Las Vegas, Nevada. Underground nuclear tests at Yucca Flat, one of the USDOE test areas at NTS, have affected hydrologic conditions, including groundwater levels. The purpose of this map report, prepared in cooperation with USDOE, is to present selected water-level data collected from wells and test holes through December 1991, and to show potentiom… more
Date: December 1, 1995
Creator: Hale, G. S.; Trudeau, D. A. & Savard, C. S.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Challenges in defining a radiologic and hydrologic source term for underground nuclear test centers, Nevada Test Site, Nye County, Nevada

Description: The compilation of a radionuclide inventory for long-lived radioactive contaminants residual from nuclear testing provides a partial measure of the radiologic source term at the Nevada Test Site. The radiologic source term also includes potentially mobile short-lived radionuclides excluded from the inventory. The radiologic source term for tritium is known with accuracy and is equivalent to the hydrologic source term within the saturated zone. Definition of the total hydrologic source term for … more
Date: June 1, 1995
Creator: Smith, D. K.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Final Environmental Assessment for solid waste disposal, Nevada Test Site, Nye County, Nevada

Description: New solid waste regulations require that the existing Nevada Test Site (NTS) municipal landfills, which receive less than 20 tons of waste per day, be permitted or closed by October 9, 1995. In order to be permitted, the existing landfills must meet specific location, groundwater monitoring, design, operation, and closure requirements. The issuance of these regulations has resulted in the need of the Department of Energy (DOE) to provide a practical, cost-effective, environmentally sound means … more
Date: August 1995
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Statistical test of reproducibility and operator variance in thin-section modal analysis of textures and phenocrysts in the Topopah Spring member, drill hole USW VH-2, Crater Flat, Nye County, Nevada

Description: A thin-section operator-variance test was given to the 2 junior authors, petrographers, by the senior author, a statistician, using 16 thin sections cut from core plugs drilled by the US Geological Survey from drill hole USW VH-2 standard (HCQ) drill core. The thin sections are samples of Topopah Spring devitrified rhyolite tuff from four textural zones, in ascending order: (1) lower nonlithophysal, (2) lower lithopysal, (3) middle nonlithophysal, and (4) upper lithophysal. Drill hole USW-VH-2 … more
Date: June 1989
Creator: Moore, L. M.; Byers, F. M., Jr. & Broxton, D. E.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Preliminary mapping of surficial geology of Midway Valley Yucca Mountain Project, Nye County, Nevada; Yucca Mountain Site Characterization Project

Description: The tectonics program for the proposed high-level nuclear waste repository at Yucca Mountain in southwestern Nevada must evaluate the potential for surface faulting beneath the prospective surface facilities. To help meet this goal, Quaternary surficial mapping studies and photolineament analyses were conducted to provide data for evaluating the location, recency, and style of faulting with Midway Valley at the eastern base of Yucca Mountain, the preferred location of these surface facilities. … more
Date: April 1992
Creator: Wesling, J. R.; Bullard, T. F.; Swan, F. H.; Perman, R. C.; Angell, M. M. & Gibson, J. D.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Compilation of modal analyses of volcanic rocks from the Nevada Test Site area, Nye County, Nevada

Description: Volcanic rock samples collected from the Nevada Test Site, Nye County, Nevada, between 1960 and 1985 were analyzed by thin section to obtain petrographic mode data. In order to provide rapid accessibility to the entire database, all data from the cards were entered into a computerized database. This computer format will enable workers involved in stratigraphic studies in the Nevada Test Site area and other locations in southern Nevada to perform independent analyses of the data. The data were c… more
Date: October 1, 1990
Creator: Page, W.R.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Site characterization data from the Area 5 science boreholes, Nevada Test Site, Nye County, Nevada

Description: The Science Borehole Project consists of eight boreholes that were drilled (from 45.7 m [150 ft] to 83.8 m [275 ft] depth) in Area 5 of the Nevada Test Site, Nye County, Nevada, on behalf of the US Department of Energy. These boreholes are part of the Area 5 Site Characterization Program developed to meet data needs associated with regulatory requirements applicable to the disposal of low-level and mixed waste at this site. This series of boreholes was specifically designed to characterize para… more
Date: February 1995
Creator: Blout, D.O.; Hammermeister, P. & Zukosky, K.A.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Streamflow and selected precipitation data for Yucca Mountain and vicinity, Nye County, Nevada, water years 1983--85

Description: Streamflow and precipitation data collected at and near Yucca Mountain, Nevada, during water years 1983--85, are presented in this report. The data were collected and compiled as part of the studies the US Geological Survey is making, in cooperation with the US Department of Energy, to characterize surface-water hydrology in the Yucca Mountain area. Streamflow data include daily mean discharges and peak discharges at 4 complete-record gaging stations and peak discharges at 10 crest-stage, parti… more
Date: January 1, 1993
Creator: Pabst, M. E.; Beck, D. A.; Glancy, P. A. & Johnson, J. A.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
Back to Top of Screen