Porphyry copper deposits ppt
WebValencia-Moreno, M., Ochoa-Landín, Lucas, Noguez-Alcántara, Benito, Ruiz, Joaquin, Pérez-Segura, Efrén, 2007, Geological and metallogenetic characteristics of the porphyry copper deposits of México and their situation in the world context, in Alaniz-Álvarez, S.A., and Nieto-Samaniego, Á.F., eds., Geology of México Celebrating the ... WebAug 18, 2011 · 6. Porphyry Copper Deposit A large low- to medium-grade deposit, of primarily of pyrite, chalcopyrite and molybdenite with characteristic concentric zoning of …
Porphyry copper deposits ppt
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WebPascua-Lama HS deposit, Chile-Argentina Discovered 1989, Lac Minerals, then Barrick Gold Barren steam-heated alteration above 16 Moz gold and gt600 Moz silver 11 Tops of … WebJan 1, 2024 · Much of the world's economic copper resources are hosted in porphyry copper deposits (PCDs), shallow level magmatic intrusions associated mostly with thick (> 45 …
WebPorphyry deposits are large (from 100 million to several billion metric tons [t]), low-grade (0.2–1.5 wt% copper, < 0.01–0.3 wt% molybdenum, and < 0.01–1 g/t gold; Fig. 3), disseminated and breccia deposits commonly hosted both in granitoid intrusions and the overlying country rocks, and directly associated with granitoid porphyry dikes or plugs. WebJan 18, 2024 · 1.1.8 Porphyry copper (Mo-Au-Sn-W) depositsPorphyry ore deposits are products of magmatic-hydrothermal activity at shallow crustal levels. Primarily copper, but also molybdenum, tin, tungsten and gold occur closely related to epizonal intrusions of porphyric magmatic rocks.Porphyries contain phenocrysts of hornblende, biotite, feldspar …
WebMar 22, 2015 · Porphyry copper deposits ppt. Here let’s understand the geology of porphyries and iron oxide copper gold deposits or IOCG as they are known. These are somewhat the giants of the ore deposits world. As … Porphyry copper deposits are copper ore bodies that are formed from hydrothermal fluids that originate from a voluminous magma chamber several kilometers below the deposit itself. Predating or associated with those fluids are vertical dikes of porphyritic intrusive rocks from which this deposit type derives its name. In later stages, circulating meteoric fluids may interact with the magm…
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WebNov 6, 2011 · Soon led to discovery of nearby Lobo porphyry gold deposit by same j.v. Combined: 5.5 Moz Au Wafi, Papua new Guinea Discovered 1990, CRA Exploration Hypogene copper enrichment due to high-sulphidation copper sulphides at base of lithocap overprinting porphyry copper-gold deposit. District-scale porphyry copper alignments and … high school no shave novemberWebApr 1, 1998 · Models which reconcile isotopic variation, systematic REE behavior, protracted local but largely noncomagmatic magmatism and the increasing development of porphyry mineralization include: (1) progressive metasomatism of the crustal component, (2) increasing assimilation of amphibolitic crust by mantle basalts, and (3) migration of … how many clocks on big benWebJul 31, 2024 · Porphyry copper deposits Epithermal deposits originate in or nearby porphyritic intrusives which were saturated by water as they intruded in shallow areas of … how many clone troopers were thereWebNov 5, 2016 · Copper is a moderately incompatible chalcophile element. Its behavior is strongly controlled by sulfides. The speciation of sulfur is controlled by oxygen fugacity. … how many clones are in a legionWebFeb 10, 2024 · The Jinchang gold–copper deposit is located in Eastern Heilongjiang Province, Northeastern China. The orebody comprises primarily hydrothermal breccias, quartz veins, and disseminated ores within granite, diorite, and granodiorite. Three paragenetic stages are identified: early quartz–pyrite–arsenopyrite (Stage 1), … how many clonazepam can you takeWebMay 28, 2014 · These deposits provide over 60% of the world’s copper and include other important metals such as molybdenum, gold and silver. Porphyry copper deposits are known for their low grades and very high tonnage. A porphyry is not a rock type, but rock with a particular texture. This porphyritic rock has large feldspar crystals in a finer grained … how many clones are in a battalionWeb2.2.1函数概念ppt课件高中数学必修1北师大版(1) Porphyry Copper Deposit Density; 分式的通分教学实录 Microsoft Word 文档; 泰胜风能：内部控制鉴证报告 2010-09-17; friends S1E2 学习笔记; 2010—2011学年度第二学期五年级英语期中试卷; 车墩幼儿园新教师培养三年规划 how many clones are in a brigade