Porphyry copper deposits ppt
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 … WebNov 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. …
Porphyry copper deposits ppt
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WebMar 2, 2013 · The Santa Cecilia Porphyry Copper-Gold deposit is . lo cated in Chile’s Third Region in the high Western . Cordillera at an elevation of 4400 m ASL, and lies . within the well-known Copper-Gold ... 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 …
WebDepartment of Earth and Planetary Sciences - McGill University 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…
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 … 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
WebJul 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 …
http://earthsci.org/mineral/mindep/phor_dep/por_dep.html simple but needed softwareWebMar 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. simple but not too simpleWebOct 10, 2014 · Presentation Transcript. Porphyry Deposits. The Importance of Porphyry Deposits as a Copper and Gold Resource Gold Resources Copper Resources. A … simple but meaningful wordsWebporphyry 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 … simple but not easy a price had to be paidWebSave 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 … ravneet diocee lawyerWebPorphyry 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, … simple but nice drawingsWebMay 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 … simple butler pantry