Red bed copper deposits
WebThe concept introduced here suggests a common provenance of copper origin for all cupriferous sandstones and shale-type deposits, the source of copper being terrigenous … WebEmphasis has been placed on two deposits: 1) the Transfiguration Cu—Pb— Zn—Ag deposit, associated with continental red beds of the Lower Silurian Robitaille Formation; 2) the Mont Alexandre native copper, hosted in basaltic flows of the Upper Silurian Lac McKay Member.
Red bed copper deposits
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WebSubeconomic concentrations of copper sulfides within greenish gray shales, argillaceous dolomites, and limestones of the Lower Permian red-bed sequence of south central … WebSilver deposits occur in Precambrian, Permian, and Cretaceous red-bed sequences near Van Horn, Texas. These deposits are geochemically similar and contain economically …
WebMay 1, 2010 · Large-scale production of such oxidized fluids, as well as the formation of mobile hydrocarbons (oil) has probably been common since the formation of the first red beds in the Paleoproterozoic, and deposits of this type occur in rocks from the Paleoproterozoic to the Tertiary.
http://aurania.com/exploration/sedimentary-hosted-copper-silver/ WebMay 30, 2006 · Copper-silver deposits of the Revett Formation, Montana and Idaho: Origin and resource potential May 30, 2006 The Revett Formation of northern Idaho and western Montana contains major stratabound copper-silver deposits near Troy, Rock Creek, and Rock Lake, Montana.
WebThe copper isotope values of sedimentary copper/red bed and supergene enrichment chalcocite are caused by redox reactions associated with the dissolution and transport of copper, whereas the tighter range of copper isotope values for hypogene minerals is associated with processes active with equilibrium conditions. 1. The Importance of …
WebMobilization of copper from the red beds into chloride- bearing pore fluids of marine or evaporative origin is proposed, followed by flow of these fluids through the more permeable sandstones until organic reductants were encountered which precipitated the copper by bacterial sulfate reduction. boring softwareWebSep 1, 2024 · Herein, the surface expressions of fluids capable of forming deeper red-bed copper deposits—a sediment-hosted stratiform copper deposit subtype—are documented … boringsoftWebFeb 9, 2024 · The discovery history and geology of the Proterozoic, sediment hosted, red-bed style Cattle Grid copper deposit in South Australia as told by the geologist ... boring spanish translateWebJul 1, 2024 · The emplacement of copper in sediment-hosted stratiform copper deposits requires the circulation of a low-temperature chloride-rich brine in rift-filling footwall red beds, probably driven by… Expand 59 Supergene copper mineralization at the Lakeshore Mine, Pinal County, Arizona S. Cook Geology 1988 boring smith/vallenWebThis type of copper deposit is also known as “red-bed” copper, amongst others. Sedimentary-hosted deposits have produced about 20% of the world’s copper; the best … boring spanish translationWebApr 1, 2024 · The red beds consist essentially of siliciclastic detrital materials including sandstone, silt, and clay, with some thin layers of micritic limestones and edaphic … have a word podcast 166WebApr 1, 2024 · Introduction. Copper mineralizations in organic matter-rich layers from red bed sequences, as well as other types of sediment-hosted stratiform copper mineralizations (SSC deposits), are typically characterized by a primary mineral association of copper sulfides (usually chalcopyrite, bornite and chalcocite as main minerals). boring speech example