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Page 4675, results 116851 - 116875

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GRANNY, a data bank of chemical analyses of Laramide and younger high-silica rhyolites and granites from Colorado and north-central New Mexico
Celia H. Steigerwald, Felix E. Mutschler, Steve Ludington
1983, Open-File Report 83-516
GRANNY is a data bank containing information on 507 chemically analyzed Laramide or younger high-silica rhyolites and granites from Colorado and north-central New Mexico. The data were compiled from both published and unpublished sources. The data bank is designed to aid in the recognition of igneous rocks with a high...
Potentiometric surfaces on Long Island, New York -- A bibliography of maps
D. A. Smolensky
1983, Open-File Report 84-70
Historic water-level records form a major basis for ground-water investigations and water-management decisions on Long Island. Potentiometric-surface maps, one of the major sources of historic data, are scattered within the literature or are available only through the publisher or sponsoring agency. This report presents a comprehensive list of available water-table...
A bibliography of stockwork molybdenite deposits and related topics (with an emphasis on the North American literature)
Celia H. Steigerwald, Felix E. Mutschler, Steve Ludington
1983, Open-File Report 83-382
This bibliography of 1117 citations brings together references on stockwork molybdenite deposits and related topics in a format that can be sorted by topic and(or) geographic area. Each reference is preceded by a key, or keys, which may be read and sorted visually or by computer, The bibliography is available...
Petrographic (thin section) notes on selected samples from hornblende-rich metamorphic terranes in the southernmost Sierra Nevada, California
Donald Clarence Ross
1983, Open-File Report 83-587
Medium- to high-grade metamorphic rocks that are commonly hornblende-rich, and probably largely of 'oceanic' affinity, are widespread in the southernmost Sierra Nevada, California. These metamorphic rocks are largely amphibolite, mafic and felsic gneiss, granofels, and hypersthene granulite The mineral assemblages suggest that these rocks are at least in part of...
Evaluation of water-quality characteristics of part of the Spokane Aquifer, Washington and Idaho, using a solute-transport digital model
J. J. Vaccaro, E.L. Bolke
1983, Open-File Report 82-769
The principal dissolved constituents in water in the Spokane aquifer are calcium and bicarbonate. These constituents (as well as dissolved solids, hardness, and magnesium) each correlate well with specific conductance, whereas chloride, sodium, and nitrate each do not. Specific conductance ranges from 73 to 820 micromhos per centimeter throughout the...
Geology of faults exposed in trenches in Crater Flat, Nye County, Nevada
W. C. Swadley, D. L. Hoover
1983, Open-File Report 83-608
Study of three trenches excavated across two faults along the eastern edge of Crater Flat indicates that the main fault movement offset unit QTa in trench 1 at least 2.4 m down to the west, and occurred about 1.1 m.y. ago, as indicated by included basalt ash. Later fault movement,...
Hydrographs of water levels in observation wells in Idaho, 1971-82
H.W. Young
1983, Open-File Report 83-225
For the period 1971-82, this report presents hydrographs of water levels in observation wells in the Statewide monitoring network operated by the U.S. Geological Survey in cooperation with the Idaho Department of Water Reources. The data are conveniently made available to supplement an interpretive report that describes Statewide water-level trends...
Statistical parameters for resource evaluation of geochemical data from the Ajo 1° x 2° quadrangle, Arizona
P. K. Theobald, Harlan N. Barton
1983, Open-File Report 83-734
Statistical data are presented from a regional geochemical study of the Ajo 1° x 2° quadrangle exclusive of the Papago Indian Reservation, but including the extension of Organ Pipe Cactus National Monument into the Lukeville 1° x 2° quadrangle. Frequency distribution data from the analysis of stream-sediment and heavy-mineral-concentrate samples...