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Browsing by Subject "stratigraphy"
Now showing items 1-20 of 62
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A detailed stratigraphic study of the Battle Formation, north-central Nevada
(University of Nevada, Reno, 1973)The stratigraphy and regional deformation related to the Battle Formation is described in detail. -
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A geological study of the Betze gold deposit, Eureka County, Nevada
(University of Nevada, Reno, 1992)Regional tectonism, dated intrusive events, evidence of local episodic hydrothermal activity and alteration, and mineralogic, geochemical and oxygen stable isotopic evidence are evaluated to profile the Betze gold deposit's ... -
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Alteration and geochemical characteristics of the upper parts of selected porphyry systems, western Nevada
(University of Nevada, Reno, 1983)The alteration and geochemical characteristics of the upper parts of selected porphyry systems located in western Nevada were studied. -
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Alteration and mineralization of the northern half of the Aurora mining district, Mineral County, Nevada
(University of Nevada, Reno, 1985)Alteration and mineralization of the Aurora Mining District has been studied. Epithermal precious metal mineralization of the district is confined to 10.3 m. y. old quartz adularia veins in altered andesite. Alteration ... -
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Comparison of surface and subsurface vertical sequences in the Cretaceous Ferron Sandstone, Utah
(University of Nevada, Reno, 1989)Surface and subsurface vertical sequences of the Cretaceous Ferron Sandstone of east-central Utah were studied in order to determine the stratigraphy and depositional history of this complex clastic wedge. -
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Geological investigation and ore reserve estimation of the Copper Chief (Ruby Hill) mine, Douglas County, Nevada
(University of Nevada, Reno, 1977)The geology of the Copper Chief Mine was studied and the ore reserves were estimated. Copper mineralization occurs mainly in the middle two members of the Veta Grande Formation. Ore reserve estimations indicate that 5279 ... -
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Geology and geochemistry of the Broken Ridge area, southern Wah Wah Mountains, Iron County, Utah
(University of Nevada, Reno, 1985)The geology and geochemistry of the Broken Ridge area has been extensively studied and described in relation to tin-bearing rhyolitic lava flows. -
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Geology and hydrothermal alteration of a portion of the eastern Excelsior Mountains, Mineral County, Nevada
(University of Nevada, Reno, 1987)The eastern Excelsior Mountains are underlain by Permian, Triassic and Cretaceous volcaniclastic sedimentary rocks and porphyry stocks that are unconformably overlain by Tertiary ash-flow tuff, andesite lava flows, and ... -
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Geology and lithogeochemistry of the Flagstaff Mountain barite deposit and surrounding area, Stevens County, Washington
(University of Nevada, Reno, 1986)The geology and lithogeochemistry of the Flagstaff Mountain barite deposit and surrounding area have been studied. -
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Geology and mineral deposits of the Rossi Mine area, Elko County, Nevada
(University of Nevada, Reno, 1989)The stratigraphy of the northern part of the Rossi Mine area consists of cherts, siliciclastics, mudrocks, and quartzites of the Ordovician Vinini Formation. Cherts and mudrocks of the Devonian Slaven Chert, and siliciclastics, ... -
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Geology and mineralization of the Luning (New Boston) tungsten - molybdenum prospect, Mineral County, Nevada
(University of Nevada, Reno, 1983)The geology and mineralization of the Luning (New Boston) Tungsten/Molybdenum Prospect located in Mineral County, Nevada was studied. It is a distal skarn vein system containing tungsten, molybdenum, and very minor copper. -
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Geology and ore deposits of the Johnnie district, Nye County, Nevada
(University of Nevada, Reno, 1976)The geology and ore deposits of the Johnnie District located in Nye County, Nevada were studied. -
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Geology and ore deposits of the Thunder Mountain Mining District, Valley County, Idaho
(University of Nevada, Reno, 1985)This research identifies and studies the regional geology, stratigraphy, structures, and mineralization associated with the Thunder Mountain mining district located in Valley County, Idaho. -
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Geology and uranium content of middle Tertiary ash-flow tuffs in the northern part of Dogskin Mountain, Nevada
(University of Nevada, Reno, 1978)The geology and uranium content of Middle Tertiary ash-flow tuffs, located in the northern part of Dogskin Mountain, have been studied. Cooling units erupted from several sources have been identified. All cooling units on ... -
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Geology of a uranium deposit in the Virginia Mountains, Washoe County, Nevada
(University of Nevada, Reno, 1956)The rocks found in the area of study are mainly Mio-Pliocene welded rhyolite tuffs and are part of the acid and intermediate pyroclastic rocks that cover much of west central Nevada. Uranium minerals have been found in the ... -
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Geology of the Applebush Hill area, south Antelope Valley, Nye County, Nevada
(University of Nevada, Reno, 1961)Lower Paleozoic rocks of an eastern miogeosynclinal assemblage have been mapped and studied in detail in the Applebush Hill area. Their stratigraphic, paleontological, and structural aspects have been correlated to the ... -
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Geology of the Bishop Creek area, Elko County, Nevada
(University of Nevada, Reno, 1968)The geology and stratigraphy of the Bishop Creek area of Elko County, Nevada, have been studied and a geologic map is presented. -
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Geology of the Brock Canyon area, Monitor Range, Eureka County, Nevada
(University of Nevada, Reno, 1965)Paleozoic rocks within the Brock Canyon area were studied with respect to extending the previously mapped structural and stratigraphic features found in the Antelope Valley and east Monitor Range area. -
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Geology of the Carbon Ridge area, Eureka County, Nevada, with emphasis on the Diamond Peak Formation
(University of Nevada, Reno, 1974)The geology of the Carbon Ridge area has been studied. The structure in area indicates that post-Mississippian warping of the Chainman and Diamond Peak Formations bent the units down toward the south in the southern part ... -
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Geology of the Corral Canyon area, Churchill County, Nevada
(University of Nevada, Reno, 1955)The geology and mineralization of Corral Canyon were studied. Low-grade titanium deposits occur in dikes which cut diorite. Alteration of the diorite and dikes is extensive. Gold was deposited in some dikes.