Porphyry vein types
http://earthsci.org/mineral/mindep/class_dep/class_dep.html WebPorphyry-type deposits form in geological settings similar to those of epithermal deposits. The main difference with regard to preservation potential is that the former form at …
Porphyry vein types
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WebGold-silver vein deposits in the Taebaeksan district, Korea, coexist in time and space with a variety of other deposit types such as skarns, hydrothermal carbonate replacement bodies and Carlin-like deposits and reflect proximity to a magmatic source. WebGenerally, porphyry-type mineral deposits form in hydrothermal fluid circulation systems developed around felsic to intermediate magma chambers and/or cooling plutons. ...
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 WebAnatomy of Porphyry - Corbett Geological Services Pty Ltd
WebApr 11, 2024 · 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 … WebMay 8, 2014 · A lot of porphyry vein types were found and observed at the Randu Kuning area, and classified into at least seven vein types. The paragenetic sequence of those …
WebPorphyry-type mineral deposits result when large amounts of hot water that carry small amounts of metals pass through permeable rocks and deposit the metals. Alteration ... Most of the su1phides occur in veins or plastered …
WebNov 9, 2024 · Central Iranian Cenozoic Magmatic belt (CICMB) 16, is one of the major copper-producing regions in the Alps– Himalaya orogeny, including more than 50 copper porphyry-vein type deposits 17. diana princess of wahttp://earthsci.org/mineral/mindep/phor_dep/por_dep.html citation add on for google docsWebDec 3, 2024 · According to the Gustafson and Hunt classification, typical A- and B-type porphyry veins are present, but a high density of typical porphyry quartz veins does not characterize the Tsagaan Suvarga deposit (Tungalag et al. 2024). Molybdenite occurs in monomineralic veins (1–5 mm) or A veins. diana princess of wales a celebration of lifeWebThe 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 ... citation aldous huxleyWebDec 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 ‰) … citation add onWebBecause 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 ... diana princess of wales barbieWebSep 5, 2024 · Stage 2, distributed alongside the JSF, is characterized by porphyry Mo and vein-type Pb–Zn–Ag mineralization related to I- and A-type granitoids at 145–125 Ma . … citation alcools apollinaire + explication