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Page 6141, results 153501 - 153525

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Publication Extents

Not all publications have extents, not all extents are completely accurate
Photogeologic maps of the Iris SE and Doyleville SW quadrangles, Saguache County, Colorado
Kathleen McQueen
1957, Trace Elements Memorandum 984
The Iris SE and Doyleville SW quadrangles, Saguache County, Colorado include part ot the Cochetopa mining district. Photogeologic maps of these quadrangles show the distribution of sedimentary rocks of Jurassic and Cretaceous age; precambrian granite, schist, and gneiss; and igneous rocks of Tertiary age. Sedimentary rocks lie on an...
Results of U.S. Geological Survey exploration for uranium-vanadium deposits in the Club Mesa area, Uravan district, Montrose County, Colorado
Robert L. Boardman, Linus R. Litsey, Howard E. Bowers
1957, Trace Elements Memorandum 979
Between 1948 and 1953, the U. S. Geological Survey conducted diamond-drill exploration in the Club Mesa. area in the western part of the Uravan district, Montrose County, Colo. This drilling, consisting of 662 holes totaling 170,095 feet, was done to find minable uranium-vanadium deposits and to appraise uranium-vanadium reserves of...
Geology of Saipan, Mariana Islands; Part 2, Petrology and soils
R. G. Schmidt, J. H. Johnson, R. J. McCracken
1957, Professional Paper 280-B-D
The rocks that comprise the volcanic formations of Saipan are of two principal types: dacites, which are characteristically glassy, and andesites, which are comparatively crystalline. The dacites consist primarily of silicic glass, oligoclase, and silica minerals (quartz, tridymite, cristobalite, chalcedony, and opal). Minor constituents in these rocks are green hornblende,...
Preliminary geologic map of the Pumpkin Buttes area, Campbell and Johnson Counties, Wyoming, showing location of uranium occurrences
W. N. Sharp, A. M. White
1957, Miscellaneous Field Studies Map 98
The Pumpkin Buttes area comprises about 450 square miles in Campbell and Johnson Counties that includes several prominent buttes known as Pumpkin Buttes.  The area is near the center of the Powder River Basin, a large physiographic unit of prairie and sculptured terrain that occupies approximately 12, 000 square miles...
Bedrock geology at the south-central part of the North Range, Cuyuna district, Minnesota
R. G. Schmidt, C. E. Dutton
1957, Miscellaneous Field Studies Map 99
The Cuyuna iron-ore district is in central Minnesota in Morrison, Crow Wing, and Aitkin Counties.  The length of the district is about 68 miles, extending from near Randall in Morrison County ot a point 11 miles east of the community of Hassmann in Aitkin County, and the maximum know width...