Porphyry copper deposits ppt

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August undefined, 2024

WebMar 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. 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 beneath advanced argillic lithocap containing high-sulphidation mineralization 12 Tops of low- and intermediate-sulphidation epithermal deposits

PPT - Porphyry and Epithermal Systems - Science-driven Exploration …

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 … WebPorphyry 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: … chingford gardeners

PPT – Porphyry and Epithermal Systems -Science-driven Exploration …

Webporphyry copper deposit, large body of rock, typically a porphyry of granitic to dioritic composition, that has been fractured on a fine scale and through which chalcopyrite and other copper minerals are disseminated. Porphyry … 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 … WebThe major products from porphyry copper deposits are copper and molybdenum or copper and gold. The term porphyry copper now includes engineering as well as geological considerations; It refers to large, … chingford goddards

Porphyry copper deposits ppt

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. WebFeb 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), …

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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 … WebApr 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 …

WebDepartment of Earth and Planetary Sciences - McGill University WebOct 10, 2014 · Presentation Transcript. Porphyry Deposits. The Importance of Porphyry Deposits as a Copper and Gold Resource Gold Resources Copper Resources. A …

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 … 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 …

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 …

WebPorphyry 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, … chingford golf club green feeshttp://earthsci.org/mineral/mindep/phor_dep/por_dep.html chingford golf course bookingWebNov 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. … chingford gokyuzuWebCopper, Nickel, Lead, And Zinc Mining Global Market Report 2024 - The global copper, nickel, lead and zinc mining market was valued at around $140 billion in 2024. Asia Pacific was the largest region in the copper, nickel, lead, and zinc mining market in 2024, accounting for more than 50% market share. PowerPoint PPT presentation free to view chingford glassWebApr 14, 2024 · 1. Reference: • Gustafson and Hunt (1975). The Porphyry Copper Deposit at El Salvador, Chile. • Sillitoe, R. (2000). Gold-Rich Porphyry Descriptive and Genetic Models and their role in Exploration and Discovery. • Sillitoe, R. (2010). Porphyry Copper Systems. • Mark Reed (2013). grange surgery southportWeb第八章火山成因矿床.ppt,* （3）流纹岩-安山岩型—流纹岩-安山岩建造中的菱铁矿矿床，如加拿大海伦铁山菱铁矿矿床。（4）基性、中性火山岩型—基性、中性火山岩建造中的赤铁矿-磁铁矿矿床，如新疆谢尔塔拉铁矿床。第三十页，共六十七页。 chingford golf tee timesWebJan 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 … chingford golf course map