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Rock Analysis Storage System (RASS), Saudi Arabia; an introduction to the system and sample submittal manual, 1978
Lamont O. Wilch, L.D. North
1979, Open-File Report 79-591
The U.S. Geological Survey Saudi Arabian Mission has the responsibility for implementing a computer-based file known as the Rock Analysis Storage System (RASS), which is principally a geochemical data bank or library. Geologic parameters are necessarily provided for, but are far from comprehensive; nevertheless, nine years of operation in the...
Occurrence of uranium in rocks of the intrusive complex at Ekiek Creek, western Alaska
Alan R. Wallace
1979, Open-File Report 79-1653
Uranium in the Ekiek Creek Complex of western Alaska is related to a niobium-rich pyrochlore in the nepheline syenite of the complex. The complex consists of an aegirine-phlogopite pyroxenite that has been intruded and partly replaced by nepheline syenite. The contact zone between the two igneous units varies from a...
Geologic interpretation of aeromagnetic map of the Seward and Blying Sound quadrangles, Alaska
J. E. Case, R. G. Tysdal, John W. Hillhouse, C. S. Grommé
1979, Miscellaneous Field Studies Map 880-D
An aeromagnetic survey of the Seward and northern part of the Blying Sound quadrangles was flown by Geometrics, Inc., during 1975-77 to provide magnetic data to aid in an appraisal of the mineral resources. Background details of the regional geology and major structures are described in a companion report by...
The Jabal Ishmas-Wadi Tathlith gold belt, Kingdom of Saudi Arabia
Ronald G. Worl
1979, Open-File Report 79-1519
The Jabal Ishmas-Wadi Tathlith gold belt is a north-south zone of numerous ancient gold mines in the southeastern Precambrian shield of Saudi Arabia, extending along long 43?30'E. between lat 18?N. and 21?30'N., a distance of about 390 km. The gold belt coincides with a major zone of faulting, shearing, and...
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...
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....
Water resources of the Santa Ynez Indian Reservation, Santa Barbara County, California
John A. Singer
1979, Open-File Report 79-413
The Santa Ynez Indian Reservation is situated above a bedrock ridge that forms the southern boundary of the Santa Ynez upland ground-water basin. A pumping depression exists upgradient from the reservation, and water levels have declined an average of 1.0 to 1.5 feet per year since the 1940's. This decline...