Porphyry vein types
WebApr 11, 2024 · RT @paola_rojas: Mining investors know that grade is crucial, yet not simple. Because what's high for copper porphyry may be low for vein systems and so on. Hence, here is your primer on grades by metal and deposit type. (I promise you'll want to bookmark this) 11 Apr 2024 23:28:05 WebThe formation of the porphyry copper deposit at El Salvador culminated volcanic activity in the Indio Muerto district. Host rocks for the ore are Cretaceous andesitic flows and sedimentary rocks overlain unconformably by lower Tertiary volcanics. Early rhyolite domes, formed about 50 m.y. ago and roughly contemporaneous with voluminous ...
Porphyry vein types
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WebBecause what's high for copper porphyry may be low for vein systems and so on. Hence, here is your primer on grades by metal and deposit type. (I promise you'll want to bookmark this) First, types of deposits* can be classified as: • Hydrothermal: Porphyry, VMS, SEDEX, meso & epithermal, etc • Magmatic: PGE, nickel & copper ... WebGenerally, porphyry-type mineral deposits form in hydrothermal fluid circulation systems developed around felsic to intermediate magma chambers and/or cooling plutons. ...
WebPorphyry copper deposits are copper ore bodies that are formed from hydrothermal fluids that originate from a voluminous magma chamber several kilometers below the deposit … WebMay 5, 2016 · Generated wireframe models for several lithologies (both post-mineral and mineralized) and A-type, B-type, and D-type porphyry …
WebOther ore geometries are chimneys and veins. Polymetallic replacements/mantos are often stratiform wall-rock replacement orebodies distal to porphyry copper deposits, or … http://earthsci.org/mineral/mindep/phor_dep/por_dep.html
WebAnatomy of Porphyry - Corbett Geological Services Pty Ltd
WebSep 1, 2024 · Correlating the Re-Os ages with vein types (A-B-D veins) demonstrates that the mineralization process was cyclical, with the ... The presence of mineralization predating the intermineral P porphyry stock and the absence of evidence of an early porphyry stock at Qulong suggest that mineralization potentially can take place ... react f5 refresh 404WebAug 10, 2024 · The banded-type quartz are from banded porphyry veins which are abundant in shallow gold-rich porphyry deposits (Muntean and Einaudi 2000 and 2001; Koděra et al. 2014; Rottier et al. 2016). The banded texture of these veins is due to the high abundance of vapor inclusions and small magnetite grains included in the quartz and distributed parallel … how to start exercising when obesereact f5WebDrill core sample photographs of the mainly developed veins in the Siah Diq porphyry Cu–Au prospect. (a and b) Pyrite and chalcopyrite A-type veins cross-cutting andesite porphyry. (c) Pyrite, quartz, and chalcopyrite D-type vein with eye-catching alteration salvage of quartz and serecite cross-cutting an A-type vein. how to start exercising in a gymWebThe pyrite vein and quartz vein samples from the Dapingzhang area were produced from the copper–lead–zinc–sulfur polymetallic sulfide deposit, which is in the town of Dapingzhang, Lantsang area, Pu'er, Yunnan Province. A few pure lump ores from the pyrite veins and quartz veins were used as raw materials and crushed to 0.5–1 mm. Pure pyrite was … how to start exercising when morbidly obeseWebDec 1, 2024 · The sulfide S-isotope compositions of the porphyry- and vein-type mineralization are different, with former having negative δ 34 S values (-2.8 to −0.3 ‰) … how to start exercising when overweightWebAdditionally, antimony and stibnite can be found in deposits formed in volcanogenic seafloor settings, as well as in epithermal vein-type mineralization and in sediment-hosted distal-disseminated mineralization located in the periphery of porphyry systems [3,4,5,6,7,8]. how to start exercise routine