WebHigh sulphidation gold deposits display a wide variety of styles of mineralization that include hydrothermal and phreatic breccia bodies, stockworks, veins, and disseminations. Some HS deposits are hosted … WebThe high-sulfidation epithermal style of gold mineralization at Brewer and low-sulfidation gold ores of the Champion pit at Haile occur in breccias associated with subvolcanic quartz porphyry and within crystal-rich tuffs, ash flows, and subvolcanic rhyolite.
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Webdynamic model in which all epigenetic gold deposits formed during evolution of a convergent margin. The earliest deposits that formed from subduction-related magmatic-hydrothermal fluids during mild compression are inter-related porphyry Cu-Au, high-sulfidation epithermal Ag-Au and skarn deposits in volcanic and WebOct 12, 2015 · The formation of gold deposits on Earth requires aqueous fluids that extract gold from minerals and magmas and transport and precipitate the metal as economic … lithium thermal conductivity
High-Sulphidation Deposits of Gold - Geology In
WebMay 1, 2024 · All the alteration types are mineralized, but the highest copper and gold grades are present as a low-arsenic, high-sulfidation assemblage in the quartz-pyrophyllite and sericitic zones. The outermost parts of the copper-gold zone are overlapped by a pronounced molybdenum-bearing annulus. WebNov 14, 2009 · High sulfidation deposits in the volcanogenic massive sulfide environment. Economic Geology , 91 , 204–211 CrossRef Google Scholar Skirrow , R. G. and Franklin , J. M. 1994 . Web... of high-sulfidation ore deposits: Many high-sulfidation deposits, particularly those formed at shallow depth, occur near domes and stratovolcano edifices (Sillitoe, 1999; Table 3).... imshow colorbar位置