Porphyry copper deposits ppt
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 … WebSave Save Porphyry deposits.ppt For Later. 100% (1) 100% found this document useful (1 vote) 465 views 43 pages. Porphyry Deposits. Original Title: Porphyry deposits.ppt. ... The …
Porphyry copper deposits ppt
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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. Web2.2.1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
WebJan 10, 2024 · Bacteria_ppt.ppt roh009 • ... Prominent examples are several Chilean copper porphyry deposits that have important “exotic oxide” Schematic profile of a deeply weathered copper sulphide ore deposit, displaying the supergene “secondary” zonation resulting from redistribution of elements. WebTops of porphyry copper deposits Guinaoang porphyry copper-gold system, Philippines Discovered 1983, RGC Exploration gt500 Mt _at_ 0.4 Cu, 0.4 g/t Au Deposit concealed …
Web2.2.1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 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 …
WebWolframite (Fe,Mn)WO4) Porphyry Copper deposits. 1 cm. Porphyry ore ... PowerPoint PPT presentation free to view Metal Deposits - Metal Deposits The specification states that …
WebNov 24, 2015 · Magmatic-Hydrothermal Ore Deposits Porphyry Deposits Porphyry deposits are a type of magmatic-hydrothermal deposit and are subduction zone related. They normally host copper (chalcopyrite, bornite), gold (in Cu phases), tin (cassiterite - SnO 2 ), tungsten (wolframite) and molybdenum (molybdenite - MnS 2 ). All porphyries are … how did the practice of sharecropping workWebJan 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 … how many students are at bucknellhttp://earthsci.org/mineral/mindep/phor_dep/por_dep.html how did the pretender endWebPorphyry Cu deposits are generally associated. with I-type granitoids magma derived from upper. mantle melt. Multiple intrusive events are common in areas of. porphyry Cu minzn, … how many students are at asuWebPorphyry copper-molybdenum deposits are one example Scarns acidic fluids from a granitic pluton invade and react with limestones The limestone is dissolved and replaced by: … how many students are at coventry universityWebDepartment of Earth and Planetary Sciences - McGill University how many students are at byuWebMar 11, 2015 · Large Size, Low Grade – Porphyries typically have 100 million to 5 billion tonnes of ore with a lower grade (0.2% to >1% copper). It is the size of these deposits that allow for bulk mining and economies of scale. Long Mine Life – The size of porphyry systems usually mean that the life of the mine can be multi-decades long. how many students are at byui