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Interpretation of thermoluminescence patterns around a Wyoming roll-type uranium deposit
Charles S. Spirakis
1979, Open-File Report 79-774
Thermoluminescence from quartz and feldspar grains in samples collected from the vicinity of a Wyoming roll-type uranium deposit show an increase in the importance of high-temperature thermoluminescence relative to low-temperature thermoluminescence of samples which are believed to be former positions of the migrating mineralized front. This effect is believed to...
Preliminary report on the geology and geophysics of drill hole UE25a-1, Yucca Mountain, Nevada Test Site
Richard W. Spengler, D. C. Muller, R.B. Livermore
1979, Open-File Report 79-1244
A subsurface geologic study in connection with the Nevada Nuclear Waste Storage Investigations has furnished detailed stratigraphic and structural information about tuffs underlying northeastern Yucca Mountain on the Nevada Test Site. Drill hole UE25a-1 penetrated thick sequences of nonwelded to densely welded ash-flow and bedded tuffs of Tertiary age. Stratigraphic...
Stratigraphic sections of Jurassic San Rafael Group and adjacent rocks in Wayne County, Utah
James Clifton Wright, Dayton Delbert Dickey, Richard P. Snyder
1979, Open-File Report 79-1126
These sections were measured prior to 1960, before adoption of the metric system. Publication was delayed by other assignments of the authors and later by the untimely death of J. C. Wright. They are being released at this time because of the increased interest in the uranium potential of Jurassic...
Ancient mines of the Farah Garan area, southwestern Saudi Arabia
C. W. Smith, H. Richard Blank
1979, Open-File Report 79-1659
Ancient miners, in quest of oxidized copper minerals, gold, silver, and possibly zinc, mined gossans to approximately 20 m depth in an area 1.1 by 0.5 km in extent at Farah Garan. The gossans, derived from sulfides, are ordinarily found at contacts between marble lenses and metavolcanic-metasedimentary rocks, but in...
Water resources data for Florida, water year 1978; Volume 1. Northeast Florida
Water Resources Division, U.S. Geological Survey
1979, Water Data Report FL-78-1
Water resources data for the 1978 water year for northeast Florida consist of records of stage, discharge, and water quality of streams; elevation and water quality of lakes and reservoirs; water-levels and water quality of wells; and discharge and water quality of springs. Additional water data were collected at various...
Summary appraisals of the nation's ground-water resources – Lower Colorado region
E. S. Davidson
1979, Professional Paper 813-R
This report summarizes ground-water availability in the lower Colorado region and discusses the potential for greater ground-water development and increased efficiency of water use. The climate in the most highly developed southwestern part of the region is warm and dry and that in the northeastern part is cool and moist to...
Summary appraisals of the nation's ground-water resources– South Atlantic-Gulf region
D.J. Cedarstrom, E. H. Boswell, G. R. Tarver
1979, Professional Paper 813-O
Precipitation in the 270,000-square-mile South Atlantic-Gulf Region ranges from 44 to 80 inches, and the average runoff is about 15 inches. The ground-water discharge that forms the base flow of streams is conservatively estimated to be about 78,000 million gallons per day the equivalent of about 6 inches of precipitation....
Physical characteristics of suspended sediments, South Texas Continental Shelf
Gerald L. Shideler
1979, Open-File Report 79-362
This report presents the results of a three-year study of suspended sediments within the South Texas OCS region. The investigations were a part of the environmental studies of the South Texas Outer Continental shelf sponsored by the Bureau of Land Management. The physical properties of the suspended particulate system studied...