Perched ground water in zeolitized-bedded tuff, Rainier Mesa and vicinity, Nevada test site, Nevada
No abstract available.
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Geology topics
Research about Nevada
Source-linked reports with geographic coverage including Nevada.
Geologic map of the Frenchman Flat quadrangle, Nye, Lincoln, and Clark Counties, Nevada
No abstract available.
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Synorogenic sedimentation of Mississippian age, Eureka quadrangle, Nevada
No abstract available.
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Geologic map of the Skull Mountain quadrangle at the Nevada Test Site, Nye County, Nevada
No abstract available.
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Distribution of mercury, silver, tellurium, arsenic, and antimony in the Rowe Canyon area, White Pine County, Nevada
The accompanying geochemical maps are based in part on data published in U.S. Geological Survey Professional Paper 450-E, Article 180 (Brokaw and others, 1963), and in part on new data acquired since the publication of Professional Paper 450-E. The mercury was determined by atomic absorption techniques, as described by Vaughn and McCarthy (1964), the silver by standard emission spectrographic techniques, and the tellurium, arsenic, and antimony by wet chemical methods.
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Geologic map and sections of the Ammonia Tanks quadrangle, Nye County, Nevada
No abstract available.
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Geology and mineral deposits of the Osgood Mountains quadrangle, Humboldt County, Nevada
The Osgood Mountains quadrangle is in north-central Nevada northeast of Winnemucca, the principal town in the region. The quadrangle includes two north-northeast-trending mountain ranges, the Osgood Mountains on the east and the Hot Springs Range on the west, which are separated by a narrow valley and are bounded on the east and west by broad alluviated basins. Large deposits of tungsten and gold have been mined in the northeastern part of the Osgood Mountains; small deposits of quicksilver, lead, zinc, and gold are known in the Hot Springs Range, and some prospecting has been done on barite deposits in the Osgood Mountains. Some quartzite beds are potential sources of silica.
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Miocene floras from Fingerrock Wash, southwestern Nevada
Two floras of Miocene age, the Fingerrock and Stewart Spring, are found in a stratigraphic section that also contains fossil mammals. The Fingerrock flora occurs in beds below the Stewart Spring local fauna of transitional Hemingfordian-Barstovian (middle-late Miocene) age, and the Stewart Spring flora occurs above that fauna but below the Cedar Mountain local fauna of Cerrotejonian (earliest Pliocene) age. The late Hemingfordian Fingerrock flora was dominated by the live oak, Quercus chrysolepis, but most of the flora is composed of species found in contemporaneous floras of the Columbia Plateau. These species include lobed Quercus, Carya, Ulmus, Zelkova, Platamis, and Acer. The lack here of certain other species found in this association to the north indicates that the Fingerrock flora lived in a drier climate than prevailed at the same time on the Columbia Plateau. Nevertheless the Fingerrock flora was a warm-temperate mesophytic flora. Twenty-four species are described from the Fingerrock flora, none of which are new. The early, or more probably middle, Barstovian Stewart Spring flora is, besides the expected lacustrine element, dominated by Quercus chrysolepis, Picea breweriana, and Chamaecyparis nootkatensis. This assemblage is typically found only in western Nevada and is further restricted to floras of Barstovian and Clarendonian age. Most of the species in the Stewart Spring flora appear to be descended from northern mesophytic forms, although the flora has a subhumid aspect different from the northern floras. Only a small element in the Stewart Spring flora may contain species of southern origin. Several phylads in the Stewart Spring flora are now found on the margins of and in the Great Basin. The Stewart Spring flora contains 42 described species, 9 of which are new.
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Stratigraphy and structure of the Antler Peak quadrangle, Humboldt and Lander Counties, Nevada
The Antler Peak quadrangle in Humboldt and Lander Counties, north-central Nevada, includes Battle Mountain and parts of the valleys of the Reese and Humboldt Rivers and of Buffalo Valley. Battle Mountain is a range 18 miles long and 12 miles wide, and has a maximum relief of 4,200 feet. The highest point is North Peak, which rises to 8,550 feet, and the second highest is Antler Peak, which rises to 8,236 feet.
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Cambrian rocks of the Pioche mining district, Nevada: With a section on Pioche shale faunules
The Pioche mining district in the Ely Range, southeastern Nevada, is one of several districts in the Great Basin where Cambrian rocks are hosts of important ore deposits. Cambrian strata underlying the Ely Range are intruded by porphyritic granite and other dikes. Tertiary volcanic rocks and Pliocene fresh-water clastic deposits of the Panaca Formation occupy adjacent valleys and extend over the Cambrian strata on the south and east.
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