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 WebMay 8, 2014 · HYDROTHERMAL ALTERATION AND VEIN TYPES OF THE RANDU KUNING PORPHYRY Cu-Au DEPOSIT AT SELOGIRI AREA, WONOGIRI Sutarto Sutarto Universitas …
Porphyry vein types
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WebPorphyry type deposits have been divided by Seedorff et al. (2005) into five classes based on the principal contained metals: porphyry Au, porphyry Cu, ... and a volume of altered wall rock that is much larger than the ore zone. Vein types, sulfide assemblages, and … 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 …
WebAnatomy of Porphyry - Corbett Geological Services Pty Ltd WebMay 5, 2016 · Generated wireframe models for several lithologies (both post-mineral and mineralized) and A-type, B-type, and D-type porphyry …
WebAdditionally, 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]. WebDec 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.
Webporphyry deposits skarn deposits vein deposits mississippi valley type deposits massive volcanogenic deposits sedimentary massive sulphide deposits ... Beyond this, the various categories are based on their physical description, including size and shape. A third level of subdivision is usually based on the metals contained. Here, then, is ...
WebPorphyry style quartz veins; (a) typical porphyry quartz-Mo vein exhibits fine laminated texture, and disseminated molybdenite on margins and quartz layers, (b) possible B-type … gpw linthicumWebOct 15, 2024 · Belmont High Resolution Magnetic Survey Further Supports Copper-Gold Porphyry Model on Come By Chance Property Greenwood Mining Camp, B.C PRESS RELEASE Accesswire Oct. 14, 2024, 09:05 PM gp with twinsWebCo R Jahoda. Anglogold Ashanti Colombia. The La Colosa, Colombia porphyry gold deposit is currently in the pre-feasibility stage. This large deposit has many types of gold … gpw logic optionWebGold-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. gpw meredithWebNov 1, 2024 · In the main porphyry deposit, a complex assemblage of veins and their alteration halos occurs. In places, vein alteration halos may be only a few millimeters wide. Halo widths increase with density of the related vein type, with halos around vein stockworks ultimately coalescing to form continuous alteration for tens to >100 m. gp with x rayWebSep 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 . … gpw mercorWebOther ore geometries are chimneys and veins. Polymetallic replacements/mantos are often stratiform wall-rock replacement orebodies distal to porphyry copper deposits, or … gpwmor reports