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Browsing by Subject "quartz"
Now showing items 1-12 of 12
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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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Application of flotation kinetics to laboratory testing procedures
(University of Nevada, Reno, 1971)The flotation rates of quartz, sphalerite, galena, and the samples of copper ores which were examined, follow a first order rate equation of the type: - d(C-Cco) _ K(C-Coo) where Coo is the concentration of the mineral in ... -
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Geology of the northern part of the Diamond Range, Eureka and White Pine Counties, Nevada
(University of Nevada, Reno, 1979)Upper Paleozoic rocks of the post-orogenic overlap assemblage are exposed throughout the northern part of the Diamond Range. The limestones, siItstones, sandstones, shales, and conglomerates are characterized by abundant ... -
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Geology of the west side of Peavine Mountain, Washoe County, Nevada
(University of Nevada, Reno, 1958)The oldest rocks exposed on the west side of Peavine Mountain are Mesozoic metamorphosed sedimentary and volcanic rocks. The latter have tentatively been assigned to the Jurassic on fossil flora found in a black shale. ... -
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Geology, geochemistry, and alteration of the Seligman and Monte Cristo stocks, White Pine mining district, White Pine County, Nevada
(University of Nevada, Reno, 1985)The Seligman and Monte Crista stocks are small, Cretaceous, granodioritic to granitic plutons which produced calcic exoskarns and associated tungsten- molybdenum mineralization in the Cambrian carbonates they intruded. The ... -
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Investigation of high temperature carbon reduction for safer, easier, and faster analysis of stable oxygen isotopes in silicates, oxides, and biogenic silica
(2013)In the past 30 years, use of biogenic silica has been gaining popularity as a tool for paleoclimate investigations in regions that lack significant carbonate deposits. Coupled with this is a continuing demand for δ18O ... -
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Jasperoid and disseminated gold at the Ogee-Pinson Mine, Humboldt County, Nevada
(University of Nevada, Reno, 1978)Jasperoid at the Cgee-Pinson disseminated gold deposit is genetically related to gold mineralization. Jasperoid formation and gold mineralization accompanied low to moderate temperature and pressure hydrothermal activity. ... -
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Mineral beneficiation of a granite from the Gold Butte district, Clark County, Nevada
(University of Nevada, Reno, 1965)The mineral industry is becoming increasingly cognizant of the fact that to stay in business the individual companies must diversify their products, and that as much and as many elements as possible must be extracted from ... -
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Paragenesis, alteration and geothermometry of the cassiterite veins of Coal Creek, Alaska
(University of Nevada, Reno, 1992)Hreisen bordered, quartz-cassiterite veins have formed within 52 m.y. old multiple-phase granitic intrusives. Four intrusives have been identified. The intrusives are hosted by hornfelsed argillites of the West Fork miniterrane. -
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The effects of pretreatment conditions, ionic strength, collector type, chain length and temperature on the cationic flotation of oxide minerals
(University of Nevada, Reno, 1983)The effects of mineral pretreatment, ionic strength, pretreatment temperature, and cationic collector type on the flotation characteristics of quartz and magnetite were investigated. The extent of crushing prior to ... -
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The effects of size and grinding on the flotation of quartz
(University of Nevada, Reno, 1988)The effect of particle size and shape was studied in the quartz and n-dodecylamine flotation system through the use of sized quartz and glass beads. In addition, the degree of flocculation of the floated material is compared ... -
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The geology and ore deposits of the Antelope (Majuba Hill) mining district, Pershing County, Nevada
(University of Nevada, Reno, 1971)The Antelope (Majuba Hill) mining district is credited with 1.6 million dollars of production between 1905 and 1936. The Majuba Hill mine, in the center of the district, was the major producer with nearly 3 million pounds ...