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porphyry copper deposit

  • Porphyry copper deposit mineralogy Britannica

    2018-11-20 · Porphyry 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.

  • Geology of Porphyry Copper Deposits

    2020-10-1 · Porphyry Copper Deposits are the largest source of Cu/Mo/Au.

  • How to make porphyry copper deposits ScienceDirect

    Cited by: 15
  • Porphyry Copper Deposit Model USGS

    This report contains a revised descriptive model of porphyry copper deposits (PCDs), the world’s largest source (about 60 percent) and resource (about 65 percent) of

  • Porphyry Copper Deposits Geology for Investors

    2020-9-11 · Porphyry copper deposits are typically very-low grade with between 0.4 and 1% copper. The main mineral is chalcopyrite, which is finely disseminated through the host porphyritic rocks. The only reason these ore bodies are economic is because porphyries are huge, with hundreds of millions of tonnes available in a fairly low-cost mining setting.

  • Porphyry Copper Deposit Density Economic Geology

    Cited by: 97
  • Porphyry copper deposits in China Request PDF

    2020-4-30 · Porphyry Cu deposits in China contain a total resource of ~47 million tonnes (Mt) Cu at average grades ranging mostly from 0.2 to 0.7% Cu (most <0.5% Cu), accounting for 42% of

  • Oyu Tolgoi, Porphyry copper deposit USGS

    Kirwin, D.J., 2006, The giant Oyu Tolgoi porphyry copper-gold deposit discovery history and exploration implications, south Gobi, in Cherkasov, S.V., ed., Extended abstracts: International Association on the Genesis of Ore Deposits (IAGOD) Quadrennial Symposium, 12th, Moscow, Russia, August 20–24, 2006 [Proceedings], CD-ROM.

  • (PDF) The formation of porphyry copper deposits

    Copper is a moderately incompatible chalcophile element. Its behavior is strongly controlled by sulfides. The speciation of sulfur is controlled by oxygen fugacity. Therefore, porphyry Cu deposits...

  • Chino, Porphyry copper deposit USGS

    Deposit type: Porphyry copper: Age (Ma) 56 Ma: Age determination method: unknown: Age range: 56–55 Ma: Age reference: Singer and others (2008) Tectonic setting: continental margin

  • Porphyry copper deposit mineralogy Britannica

    2018-11-20 · Porphyry 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 copper deposits commonly contain hundreds of millions of metric tons of ore that averages a fraction of 1 percent copper by weight; although they are low-grade, the

  • Porphyry copper deposit WikiMili, The Free

    2019-11-9 · Porphyry copper deposit Last updated November 09, 2019 Morenci mine open pit in 2012. The red rocks in the upper benches, and the outcrops in the background, are in the leached capping.It appears that the bottom of the pit is in the mixed oxide-sulfide zone, and that's also what the two haul trucks in the foreground are carrying.

  • Porphyry Copper Deposits Geology for Investors

    2020-9-11 · Most of the world’s copper is extracted from a type of mineral deposit called a “porphyry copper”. If you’ve seen a picture of a great big open-pit mining operation odds are that it was a porphyry copper deposit. Some of the biggest man-made holes in the ground are porphyry copper mines: Bingham Copper Mine, Utah, and Chuquicamata in Chile, and two of the largest.

  • Differential exhumation histories between Qulong and

    2019-4-1 · The pre-Cenozoic porphyry copper deposits have been rarely reported in the GCMB, only the Jurassic Xietongmen porphyry copper–gold deposit (2.38 Mt copper with its grade of 0.35–0.48 wt%, 219.65 t gold with its grade of 0.22–0.66 g/t) has been documented recently (Lang et al., 2014, Lang et al., 2017a, Tafti et al., 2014, Tang et al

  • Porphyry Copper Deposit Density Economic Geology

    Porphyry copper deposit densities vary from 2 to 128 deposits per 100,000 km 2 of exposed permissive rock, and the density histogram is skewed to high values. Ninety percent of the control areas have densities of four or more deposits, 50 percent have densities of 15 or more deposits, and 10 percent have densities of 35 or more deposits per

  • Porphyry Copper Systems* University of Utah

    2012-8-4 · Porphyry Copper Systems* lion years, whereas deposit clusters or alignments as well as entire belts may remain active for 10 m.y. or longer. The alteration and mineralization in porphyry Cu systems, occupying many cubic kilometers of rock, are

  • Porphyry Copper Deposit Model

    2020-10-2 · Porphyry Copper Deposit Model

  • Porphyry Deposits: The World's Largest Source of

    2020-2-21 · Idealized cross-section of porphyry copper deposit formation. Company news releases relating to copper porphyry deposits will often refer to these various alteration zones. These includes potassic, propylitic, argillic and phyllic. Although these zones can overlap and make understanding the deposit difficult, there is a general consensus on how

  • The porphyry copper deposit at El Salvador, Chile

    Copper was mostly removed from the sericitic capping, but iron, molybdenum, and gold were relatively immobile during supergene leaching.Interpretation of the space-time patterns and relations of the mineralization, alteration, volcanism, and intrusion allows reconstruction of the depositional environments of the El Salvador porphyry copper deposit.

  • Preliminary Model of Porphyry Copper Deposits

    2008-10-9 · Porphyry copper deposits result from the complex interactions and feedbacks of many processes. Owing to the complexity, a succinct definition that includes the essential attributes of this deposit class is elusive. Consequently, this descriptive model uses a working definition of a porphyry copper deposit.

  • Porphyry copper deposit WikiMili, The Free

    2019-11-9 · Porphyry copper deposit Last updated November 09, 2019 Morenci mine open pit in 2012. The red rocks in the upper benches, and the outcrops in the background, are in the leached capping.It appears that the bottom of the pit is in the mixed oxide-sulfide zone, and that's also what the two haul trucks in the foreground are carrying.

  • Porphyry Copper Deposits Geology for Investors

    2020-9-11 · Most of the world’s copper is extracted from a type of mineral deposit called a “porphyry copper”. If you’ve seen a picture of a great big open-pit mining operation odds are that it was a porphyry copper deposit. Some of the biggest man-made holes in the ground are porphyry copper mines: Bingham Copper Mine, Utah, and Chuquicamata in Chile, and two of the largest.

  • The porphyry copper deposit at El Salvador, Chile

    Copper was mostly removed from the sericitic capping, but iron, molybdenum, and gold were relatively immobile during supergene leaching.Interpretation of the space-time patterns and relations of the mineralization, alteration, volcanism, and intrusion allows reconstruction of the depositional environments of the El Salvador porphyry copper deposit.

  • What is a Porphyry Copper Deposit?

    2015-6-27 · (phyllic) alteration in the volcanics that overlie the porphyry copper deposit at Red Mountain. (Photo taken by David Briggs, October 2009) Propylitic alteration frequently gives the rock a greenish cast as it is characterized by green-colored minerals such as chlorite and epidote, and calcite with minor amounts of pyrite.

  • A Special Issue Devoted to Porphyry Copper Deposits of

    2011-9-1 · The giant and recently discovered La Escondida porphyry copper deposit is the subject of two papers in the volume. Richards, Boyce, and Pringle (2001) present a 1:50,000 geologic map of the Escondida district together with 40Ar/39Ar geochronologic and petrochemical data on igneous rocks.

  • CARGO PORPHYRY Cu-Au DEPOSIT WHERE IS THE HIGH

    2019-9-12 · Copper Hill is an unusual porphyry copper-gold deposit in that palladium is enriched over intervals of tens of metres in some drill holes. Covered by 100m of clay-rich transported alluvium, the Marsden calc-alkalic porphyry copper-gold deposit was discovered in 1997 by Newcrest Mining Ltd. It contains 76.7 Mt @ 0.3 g/t gold, 0.5 % copper.

  • The geological characteristics, geochemical signature and

    2019-8-28 · PORPHYRY DEPOSIT TYPES AND MAGMA CHEMISTRY Two major types of porphyry copper-(gold) systems are discussed in this extended abstract. The first of these systems is characterized by early, high-temperature magnetite and bornite-(digenite-chalcocite)-chalcopyrite-bearing ore assemblages in the general absence of pyrite (Type I, Einaudi

  • Geology of the Los Pelambres Porphyry Copper Deposit,

    2015-4-6 · THE LOS PEL•tMBRES PORPHYRY COPPER DEPOSIT 3 level. 'Vegetation is essentially absent from the precipitous cliffs and steep talus slopes which char- acterize the area, and is restricted to the floor of the Los Pelambres valley (Fig. 2). Los Pelambres ex-

  • Rhenium in porphyry copper deposits of the urals

    The highest Re concentration was established in the ore of the largest Mikheevsky deposit formed in the Late Devonian-Early Carboniferous and localized in the easternmost part of the East Ural sialic-femic megazone. The Re content in the orebodies of this deposit often reaches 0.2–0.5 ppm (up to 1.4–2.7 ppm) and 0.21 wt % in molybdenite.

  • (PDF) The Tropezón Cu–Mo–(Au) deposit, Northern

    The Tropezón Cu–Mo–(Au) deposit, Northern Chile: the missing link between IOCG and porphyry copper systems


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