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Page 5096, results 127376 - 127400

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Soil-gas helium concentrations in the vicinity of a uranium deposit, Red Desert, Wyoming
G.M. Reimer, C.G. Bowles
1979, Open-File Report 79-975
A survey of the helium concentration in soil-gas was conducted in the Red Desert Area, Sweetwater County, Wyoming. The area studied is directly over a low-grade uranium deposit that may be suitable for recovery by in-situ leaching techniques. The area was sampled twice, once in December, 1977, and again in...
The use of soil-gas helium concentrations for earthquake prediction: Studies of factors causing diurnal variation
G. Michael Reimer
1979, Open-File Report 79-1623
The diurnal variation in the soil-gas helium concentration was monitored at depths of 0.5-2 m. Barometric pressure, air temperature, wind speed, soil temperature, soil moisture, relative humidity, and precipitation were also monitored. The helium variation below a 1-m sampling depth usually did not exceed the analytical sensitivity limit of +10...
Susceptibility of the Memphis water supply to contamination from the pesticide waste-disposal site in northeastern Hardeman County, Tennessee
Donald Robert Rima
1979, Open-File Report 79-750
Public concern has been expressed over the possiblity that leachates from a pesticide waste-disposal site in northeastern Hardeman County, Tennessee, might eventually reach the Memphis area and endanger the city 's water supply. An examination of the possible pathways and means of transport of these contaminants reveals that, the Memphis...
Principal facts for borehole gravity stations in wells DC-3, DC-5, and DC-7 at the Hanford Site, Washington, and in well RSH No. 1 on Rattlesnake Hills, Washington
S. L. Robbins, R.J. Martinez, D.L. Smith
1979, Open-File Report 79-849
Borehole gravity surveys were carried out in four wells in the State of Washington by the U.S. Geological Survey (U.S.G.S.) in September and October of 1978 using the U.S.G.S. - LaCoste and Romberg borehole gravity meter G-95 (BHGM) (McCulloh and others, 1967a; McCulloh and others, 1967b). The primary objective of...
Fluid inclusions in salt from the Rayburn and Vacherie domes, Louisiana
Edwin Roedder, H. E. Belkin
1979, Open-File Report 79-1675
Core samples from the Rayburn and Vacherie salt domes in Louisiana were examined for fluid inclusions, in connection with the possible use of such domes for nuclear waste storage sites. Three types of fluid inclusions were found, brine, compressed gas, and oil (in decreasing volume percent abundance). The total amount...
Evaluation of Landsat multispectral scanner images for mapping altered rocks in the East Tintic Mountains, Utah
Lawrence C. Rowan, Michael J. Abrams
1979, Open-File Report 78-736
The East Tintic Mountains, Utah consist of folded and faulted Paleozoic sedimentary rocks, which are partly covered by Tertiary volcanic rocks. Clastic rocks dominate the lower one-third of the Paleozoic section, whereas carbonate rocks with subordinate amounts of shale and elastic rocks predominate in the remainder. Some of the rocks,...
Geologic evaluation of major Landsat lineaments in Nevada and their relationship to ore districts
Lawrence C. Rowan, Pamela Heald Wetlaufer
1979, Open-File Report 79-544
Analysis of diverse geologic, geophysical, and geochemical data shows that eight major lineament systems delineated in Landsat images of Nevada are morphological and tonal expressions of substantially broader structural zones. Southern Nevada is dominated by the 175 km-wide northwest-trending Walker Lane, a 150 km-wide zone of east-trending lineament systems consisting...
Uranium, thorium, and mercury distribution through the evolution of the McDermitt Caldera complex
James J. Rytuba, W.K. Conrad, Richard K. Glanzman
1979, Open-File Report 79-541
The McDermitt caldera complex developed over a period of 5 m.y. years during which ash-flow tuff sheets anomalous in mercury, uranium, and thorium were emplaced. The moat portions of the caldera complex were subsequently filled with tuffaceous sediments. Late in the caldera development near-surface intrusives and domes were emplaced along...
Hydrologic evaluation of the Alton reclamation-study site, Alton coal field, Utah
G. W. Sandberg
1979, Open-File Report 79-346
This investigation was conducted from July 1974 to September 1977 to define general hydrologic conditions at a reclamation-study site in the Alton coal field near Kanab, Utah. The average annual streamflow through the area was less than 600 acre-feet (0.7 cubic hectometer), and the water carried little sediment except during...