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Browsing by Subject "copper"
Now showing items 1-20 of 31
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A study of the economic development of Minas de Matahambre, S.A.
(University of Nevada, Reno, 1929)No abstract provided. -
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A study of the effect of using thiourea as a sulfide donor for metal sulfide precipitation from waste waters
(University of Nevada, Reno, 1985)A two phase study was made to determine the efficacy of thiourea as a sulfide donor in the precipitation of metal sulfides from solution. The first phase of the study focused on the effect of thiourea on individual ions ... -
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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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Distribution of copper, cobalt, nickel between alloys and silica-unsaturated iron slags
(University of Nevada, Reno, 1983)Pure copper and the alloys: copper-cobalt and copper-nickel were equilibrated with pre-melted silica-unsatruated iron slags. Experiments were designed to yield information pertaining to the solubility of copper, and the ... -
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Electrorefining of scrap in a basic amine electrolyte
(University of Nevada, Reno, 1977)An electro-refining process suitable for treating copper scrap is described. Laboratory experiments indicate that this process is capable of refining copper to a purity of 95% from an electrolyte saturated with the metallic ... -
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Evidence of and analysis of vacancy diffusion during anodic dissolution of thin film Cu/Ag couples
(University of Nevada, Reno, 1995)Vacancy diffusion during anodic dissolution of thin film Cu/Ag couples was studied and documented. -
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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 alteration of the Quilmana porphyry copper prospect, Lunahuana, Department of Lima, Peru
(University of Nevada, Reno, 1983)The Quilmana porphyry copper prospect, located in the Andean Cordillera of Central Peru, is related to a (?) Lower to Middle Tertiary diorite-andesite-dacite stock, at the northern end of the Tiabaya super unit. Hydrothermal ... -
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Geology and mineralization of a part of the Nelson Range, Inyo County, California
(University of Nevada, Reno, 1984)Late Paleozoic sedimentary rocks in the Nelson Range consist primarily of miogeosynclinal limestones, dolomites and shales. Intrusive rocks of the Hunter Mountain batholith intruded the Keeler Canyon Formation during the ... -
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Geology and mineralization of the Granite Creek area, eastern Alaska Range, Alaska
(University of Nevada, Reno, 1981)The geology and mineralization of the Granite Creek Area of the Eastern Alaska Range have been studied. Pennsylvanian hypabyssal volcanic dacite porphyry is the basal geologic unit in the area. Low-grade porphyry copper ... -
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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 mineralization of the Marietta area, Mineral County Nevada
(University of Nevada, Reno, 1978)Pre-Tertiary layered rocks dominate the study area at Marietta, Nevada, in the central Excelsior Mountains. In stratigraphic order these include andesite volcanics and volcaniclastic sediments, calcareous siltstone, ... -
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Geology and mineralization of the willard mining district, Pershing County, Nevada
(University of Nevada, Reno, 1980)The geology and mineralization of the Willard Mining District, located in Pershing County, Nevada, have been studied. Soil and rock chip sampling have defined two gold-arsenic anomalies. Gold and silver of the district are ... -
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Geology and ore deposits of Sand Springs district, Churchill County, Nevada
(University of Nevada, Reno, 1980)The geology and structure of the Sand Springs mining district is studied and described. -
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Geology of the Moonlight Valley porphyry copper deposit, Lights Creek, Plumas County California
(University of Nevada, Reno, 1981)The Moonlight Valley porphyry copper deposit contains 250 million tons of .35% copper and minor but important gold and silver, occurring within a cupola-like body adjacent to the quartz monzonitic Lights Creek stock. The ... -
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Geology, alteration and mineralization of a copper-rich porphyry molybdenum stockwork system at Alum Creek, Summitville caldera, southeastern San Juan Mountains, Colorado
(University of Nevada, Reno, 1992)The geology, alteration and mineralization of a copper-rich porphyry molybdenum stockwork system at Alum Creek have been studied. -
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Hydrocyclone and rubber-lined pump testing at Braden Copper Company
(University of Nevada, Reno, 1963)No abstract provided. -
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Laboratory studies on cleaning of slags from copper smelters
(University of Nevada, Reno, 1984)The use of sulfide washing combined with carbothermic reduction as a technique for recovering As, Bi, Sb, and Cu from reverberatory furnace slag was examined. Samples of slag were melted under an argon inert atmosphere at ... -
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Mining economics of copper-zinc deposits in the Foothill copper belt of the Sierra Nevada in California
(University of Nevada, Reno, 1971)Cut-and-fill mining of a 400,000 ton deposit is proposed for the Foothill Copper Belt. It is 90 percent certain that a rate of return of at least 20 percent can be earned.