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165459 results.

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Page 6198, results 154926 - 154950

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Publication Extents

Not all publications have extents, not all extents are completely accurate
Zinc and copper mineralization of the Vazante area, Minas Gerais, Brazil
Samuel L. Moore
1956, Open-File Report 56-82
A large body of zinc and copper mineralization is exposed in a line of low hills about 5 kilometers east of the small village of Vazante in the northwestern part of the state of Minas Gerais, Brazil. The Vazante area can be reached by roads leading north from the State...
U.S. Geological Survey exploration program in the Trixie area, East Tintic mining district, Utah County, Utah
H. T. Morris, A.E. Disbrow, Thomas Seward Lovering
1956, Open-File Report 56-84
The Trixie area is in the south central part of the East Tintic mining district, Utah, and is believed to include the intersections of several mineralized pebble dike-fissure zones and a major, easterly trending fault. The fissure-fault intersections, which are considered to be favorable ore-locallizing structures, are concealed by lavas...
Magnetite deposits near Klukwan and Haines, southeastern Alaska
Eugene C. Robertson
1956, Open-File Report 56-101
Low-grade iron ore is found in magnetite-bearing pyroxenite bodies near Klukwan and Haines in Southeastern Alaska. An alluvial fan at Haines also contains magnetite-bearing rock of possible economic significance. The Haines-Klukwan area is underlain by rocks of Mesozoic Including epidote diorite, quartz diorite, and alaskite of the Coast Range batholith,...
Geology and mineral resources of the Ivanpah quadrangle, California and Nevada
D. F. Hewett
1956, Professional Paper 275
The Ivanpah quadrangle covers about 3,900 square miles in the northeastern part of the Mojave Desert of southeastern California and southern Nevada. It includes many mountain ranges 6,000 to 7,000 feet in altitude, and a single peak, Potosi Mountain, attains 8,504 feet. The ranges are separated by broad alluvial filled...
Contributions to the geology of uranium and thorium by the United States Geological Survey and Atomic Energy Commission for the United Nations International Conference on Peaceful Uses of Atomic Energy, Geneva, Switzerland, 1955
Lincoln R. Page, Hobart E. Stocking, Harriet B. Smith
1956, Professional Paper 300
Within the boundaries of the United States abnormal amounts of uranium have been found in rocks of nearly all geologic ages and lithologic types. Distribution of ore is more restricted. On the Colorado Plateau, the Morrison formation of Jurassic age yields 61.4 percent of the ore produced in the United...
Surficial geology and geomorphology of Potter County, Pennsylvania
C. S. Denny
1956, Professional Paper 288
Potter County is located in the Appalachian Plateaus of north-central Pennsylvania and contains the headwaters of the Genesee River, the Allegheny River, and the Susquehanna River. Drift of Wisconsin age covers the northeastern part of the county. This study includes a detailed survev of the surficial deposits of the Genesee...