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    CoCuAu Deposits in Metasedimentary Rocks A Preliminary

    CoCu deposits in the Blackbird mining district of central Idaho. This report is a broader synthesis of information on numerous CoCuAu deposits in metasedimentary rocks worldwide (table 1) that share common geologic, mineralogical, and geochemical features. With one exception, deposits in the

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  • High Grade Au, Ag, Cu, Zn Pb Ore Samples From Sorting A

    Some high grade Au, Ag, Cu, Zn Pb ore samples found in a mine dump! Samples consist of some free gold, chalcopyrite, galena, sphalerite, minor bornite and pyrite. High grade gold values of gold

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    CU, AU, AND ZNPB SKARN DEPOSITS (MODELS 18b,c Cox

    Fe skarn model, Hammarstrom and others, this volume). Total sulfide mineral content at the McCoy, Nev., gold skarn is low ( <2 volume percent) and many sulfide minerals are oxidized. In contrast, at the Fortitude, Nev., gold skarn about 30 km to the north, high grade ore is sulfide mineral rich, and includes mostly pyrrhotite as well as

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  • Hydrothermal mineral deposit Wikipedia

    The ore is Znrich at the top and Curich at the base. Geometry Typically tabular to lensoid, and range from less than 1 to more than 150 million tonnes. They often occur in clusters. Economic minerals Chalcopyrite (Cu), sphalerite (Zn), galena (Pb), silver and gold. The dominant gangue minerals are quartz, pyrite and pyrrhotite.

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  • Great Deposits of the World Mount Isa ZnPbAg Cu

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    GS2010 0917 Mineral Systems of NSW Poster 2011

    involved in ore formation. Deposit type alternative name in itallics Comments Kimberlitehosted diamond Big Cadia (CuAuFe) (skarn) Browns Creek (CuAu) (skarn) variety of metals including Pb, Zn, Cu, Ag, Au, Sn. Barite is common in Selwyntype deposits (deposition in

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  • 10 SEDEX deposits typically show a zonation Course Hero

    10. SEDEX deposits typically show a zonation of hydrothermal textures, minerals, and elements about centers of hydrothermal fluid discharge. The ratios of Zn:Pb, Pb:Ag, Cu:Zn+Pb, Fe:Zn, Ba:Zn, and SiO2:Zn increase with distance from the vent complex. 11.

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    ORE DEPOSIT TYPES AND THEIR PRIMARY EXPRESSIONS K.G

    1 Ore Deposits ORE DEPOSIT TYPES AND THEIR PRIMARY EXPRESSIONS K.G. McQueen CRC LEME, Australian National University, Canberra, ACT 0200

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  • Fidelity Minerals

    Base metals (Cu, Zn, Pb). Cerro Dorado. NearTerm Gold Production (ownership 100% FMN) Poised to commence smallscale processing of highgrade ore, to generate nearterm cash flow. Recently built 45 TPD CIP plant, with permitted expansion up to 115 TPD and new 60 TPD flotation circuit.

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  • pH Ranges for Sequential Cu Pb Zn Flotation Separation

    As shown here below, assuming Collector addition is Optimum, pH and MBS in the Copper Circuit drives Pb content in the Cu Conc. Float Metals OnebyOne Selectively: Since our objective is to sequentially float Copper, then Lead, than Zinc while rejecting Pyrite, let us explore how we can separate Cu/Pb/Zn from Fe: pH 66.5 is where Pb/Zn/Fe are

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