porphyry copper deposits ore

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porphyry copper deposits ore

porphyry copper deposits ore

  • What is a Porphyry Copper Deposit?

    bodies are very large, generally containing from 100 million to several billion tons of copper ore with a copper content of 02% to 20% The majority of porphyry copper deposits occur adjacent to subduction zones (ie Ring of Fire around the Pacific Ocean), which form along continental margins (ie Andes Mountains) and island

  • Preliminary Model of Porphyry Copper Deposits

    The general attributes of porphyry copper deposits are summarized below Brief Description In hypogene parts of porphyry copper deposits, the copper occurs predominantly in chalcopyrite; other important copper ore minerals may include bornite and enargite Ore minerals occur as disseminations and in stockworks of veins in hydrother

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  • 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 copper and a major source of molybdenum, gold and silver Despite relatively low grades (average 044 percent copper in 2008), PCDs have significant economic and societal impacts

  • Porphyry copper deposit Wikipedia

    OverviewPorphyrytype ore deposits for metals other than copperGeological overviewCharacteristicsExamples

    Copper is not the only metal that occurs in porphyry deposits There are also porphyry ore deposits mined primarily for molybdenum, many of which contain very little copper Examples of porphyry molybdenum deposits are the Climax, Urad, Mt Emmons, and Henderson deposits in central Colorado; the White Pine and Pine Grove deposits in Utah; the Questa deposit in northern New Mexico; and Endako in British Columbia

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  • Geology of Porphyry Copper Deposits

    Mar 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 a mining interested learner, the geology of porphyry copper deposits is vital to your education Now in the first Exploration Geology Course I discussed

  • Estimated Reading Time: 12 mins
  • Porphyry Deposits: The World’s Largest Source of Copper

    Deposit CharacteristicsHow Do They form?Exploring For Porphyry Deposits in BC, CanadaMining Porphyry Copper DepositsPorphyry Copper Deposits WorldwideFurther ReadingList of Companies mentionedPorphyry copper deposits are generally composed of a “pluglike” igneous intrusion– a large magma body that is emplaced beneath a volcanic system On average these deposits can have a vertical and horizontal extent of 12 km and can range from tens of millions to more than one billion tons in size While copper is generally the dominant metal, porphyry copper deposits can contain multiple aSee more on geologyforinvestorsEstimated Reading Time: 11 mins
  • (PDF) The formation of porphyry copper deposits

    Nov 05, 2016  Porphyry ore deposits are the source of much of the copper, molybdenum, gold and silver used by humans Porphyry ore typically forms in magmatic arcs above subduction zones However, generation of

  • Estimated Reading Time: 6 mins
  • Porphyry Copper Systems*

    alterationmineralization in the porphyry Cu deposits is zoned upward from barren, early sodiccalcic through potentially oregrade potassic, chloritesericite, and sericitic, to advanced argillic, the last of these constituting the lithocaps, which may attain >1 km in thickness if unaffected by significant erosion Low sulfidationstate

  • How to make porphyry copper deposits ScienceDirect

    Jan 01, 2020  Porphyry copper deposits (PCDs) represent shallow level intrusions (2–5 km) in the crust Mineralization of Cu ores tend to occur at the tops of porphyry systems in cupolas Possible regimes where Cu may be mobilized include hydrothermal circulation at midocean ridge centers, dehydration or melting of the subducting slab, and late stage

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  • (PDF) Porphyry deposits ResearchGate

    Porphyry deposits typically contain hundreds of millions of tonnes of ore, although they range in size from tens of millions to billions of tonnes; grades for the different metals vary

  • Estimated Reading Time: 6 mins
  • Preliminary Model of Porphyry Copper Deposits

    The general attributes of porphyry copper deposits are summarized below Brief Description In hypogene parts of porphyry copper deposits, the copper occurs predominantly in chalcopyrite; other important copper ore minerals may include bornite and enargite Ore minerals occur as disseminations and in stockworks of veins in hydrother

  • Basics of Copper Porphyry Deposits for Investors Classic

    Oct 20, 2020  The ore in copper porphyry deposits is usually located between the potassic and phyllic alternations There is a pyrite halo surrounding the ore Chlorite, calcide, epidote, and adularia are commonly present in the propylitic alteration Pyrite is

  • Porphyry copper deposit formation in arcs: What are the

    Nov 22, 2021  The cumulative probability of forming a large porphyry Cu deposit at any given time in an arc magmatic system (ie, a single batholithlinked volcanoplutonic complex) is estimated to be ~0001%, and less than 1/10 of these deposits will be uplifted and exposed at shallow enough depths to mine economically (00001%)

  • Porphyry Copper Systems*

    alterationmineralization in the porphyry Cu deposits is zoned upward from barren, early sodiccalcic through potentially oregrade potassic, chloritesericite, and sericitic, to advanced argillic, the last of these constituting the lithocaps, which may attain >1 km in thickness if unaffected by significant erosion Low sulfidationstate

  • Porphyry copper deposits SlideShare

    Jul 31, 2018  Epithermal deposits include a wide variety of ores: Au, Au Ag, Ag, Pb, Zn, Cu, Sn, Sb, U and Hg Comparison between the the porphry copper deposits and the epithermal deposits 11 Schematic diagram oft he tectonic setting of porphyry, epithermal and skarn deposits Image Credit: MBG

  • Chapter 7 ByProducts of Porphyry Copper and Molybdenum

    Porphyry Cu and porphyry Mo deposits are large to giant deposits ranging up to >20 and 16 Gt of ore, respec tively, that supply about 60 and 95% of the world’s copper and molybdenum, as well as significant amounts of

  • Copper Porphyry 1589 Words Studymode

    Nov 15, 2016  The subducting tectonic activity helps drive this process with ground water acting on the copper solution from convective circulation creating a porphyry deposit The ore solution must contain metal and sulfur in molecular species in concentrations sufficient enough to form a porphyry copper deposit (Bowen and Gunatilaka,

  • 18 questions with answers in PORPHYRY DEPOSITS Science topic

    Jun 02, 2021  Especially for porphyry deposits, ore is closely related with the latestage of magmatic event The spatial association of porphyry copper deposits with arcs formed above current or former

  • Copper deposition during quartz dissolution by cooling

    Jun 30, 2005  1Introduction Porphyrytype ore deposits are centered on intrusions emplaced at depths of a few kilometers and provide the world's major resource of Cu, Mo and Re, and a significant supply of Au Porphyry stocks intrude above deeper intermediate to felsic magma chambers that are the source of metaltransporting magmatic–hydrothermal fluid focused

  • The nature and timing of ore formation in the Budunhua

    Dec 01, 2014  The Budunhua copper deposit, a mediumsized (02 to 05 Mt) deposit, is located in the northeastern part of the Tianshan–Tuquan copperpolymetallic metallogenic belt of the southern Great Xing'an Range (SGXR) ()The deposit consists of the Kongqueshan ore block in the north and the Jinjiling ore block in the south, with the Budunhua composite stock

  • Continental/Butte, Porphyry copper deposit

    Bartos, PJ, 1989, Prograde and retrograde base metal lode deposits and their relationship to underlying porphyry copper deposits: Economic Geology, v 84, p 1671 1683

  • Everything You Need to Know About Copper Porphyries

    Mar 11, 2015  Large Size, Low Grade – Porphyries typically have 100 million to 5 billion tonnes of ore with a lower grade (02% 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 multidecades long

  • Porphyry copper deposit WikiMili, The Best Wikipedia Reader

    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

  • Types of Copper Deposits in the World Investing News

    Sep 01, 2021  Most types of copper deposits also have secondary ores, however, and they can add a great deal of value to a deposit The Escondida mine is primarily a chalcopyrite porphyry deposit overlain by

  • Porphyry Copper Deposits Geology for Investors

    Jul 23, 2013  Porphyry copper deposits are typically verylow grade with between 04 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

  • Porphyry Copper Deposits – geo590

    Porphyry Copper Deposits Shelby Cloer, Rhiannon Garrard, and Ian Johnson Definition and Occurrence Porphyry copper deposits define a broad range of sulfide rich, ore bearing intrusions and surrounding rocks found generally formed at depths of 14 km

  • porphyry copper deposit mineralogy Britannica

    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 disseminatedPorphyry copper deposits commonly

  • Exploration of Porphyry Copper Deposits

    Jun 22, 2015  As with almost all ore deposit types porphyry targets need to be drilled eventually to quantitatively determine actual copper, gold and molybdenum values in the identified mineralization I’ll talk more in detail about drilling and the drill techniques in a later course

  • Porphyry copper deposits of the world USGS

    Title: Porphyry copper deposits of the world Abstract: Information on porphyry copper deposits from around the world with grade and tonnage models, a general classification based on geologic setting, mineralogy, with data allowing locations of these deposits to be plotted using GIS

  • ByProducts of Porphyry Copper and Molybdenum Deposits

    Jan 01, 2016  Porphyry Cu and porphyry Mo deposits are large to giant deposits ranging up to >20 and 16 Gt of ore, respectively, that supply about 60 and 95% of the world’s copper and molybdenum, as well as significant amounts of gold and silver

  • What is a Porphyry Copper Deposit? by David F Briggs on

    Jan 11, 2014  Although copper has been mined from a number of different types of mineral deposits, porphyry copper deposits are the most important source for copper, accounting for more than 60 percent of the annual world copper production and approximately 65 percent of

  • Chapter 7 ByProducts of Porphyry Copper and Molybdenum

    Porphyry Cu and porphyry Mo deposits are large to giant deposits ranging up to >20 and 16 Gt of ore, respec tively, that supply about 60 and 95% of the world’s copper and molybdenum, as well as significant amounts of

  • Triggers for the formation of porphyry ore deposits in

    Oct 13, 2013  Porphyry ore deposits supply much of the copper, molybdenum, gold and silver used by humans A review of the main processes that trigger porphyry

  • Copper deposition during quartz dissolution by cooling

    Jun 30, 2005  1Introduction Porphyrytype ore deposits are centered on intrusions emplaced at depths of a few kilometers and provide the world's major resource of Cu, Mo and Re, and a significant supply of Au Porphyry stocks intrude above deeper intermediate to felsic magma chambers that are the source of metaltransporting magmatic–hydrothermal fluid focused upward through a dense fracture

  • Copper Porphyry 1589 Words Studymode

    Nov 15, 2016  The subducting tectonic activity helps drive this process with ground water acting on the copper solution from convective circulation creating a porphyry deposit The ore solution must contain metal and sulfur in molecular species in concentrations sufficient enough to form a porphyry copper deposit (Bowen and Gunatilaka,

  • The nature and timing of ore formation in the Budunhua

    Dec 01, 2014  The Budunhua copper deposit, a mediumsized (02 to 05 Mt) deposit, is located in the northeastern part of the Tianshan–Tuquan copperpolymetallic metallogenic belt of the southern Great Xing'an Range (SGXR) ()The deposit consists of the Kongqueshan ore block in the north and the Jinjiling ore block in the south, with the Budunhua composite stock occurring at the boundary between

  • PorphyryCopper Ore Shells Form at Stable Pressure

    Porphyrytype ore deposits are among the world’s premier metal resources, supplying most of the copper, molybdenum, and a substantial part of gold production ()They form in response to focused expulsion of metalbearing saline fluids from large chambers of cooling hydrous magma ()A restricted zone of oremineral precipitation within a more extensive plume of fluid upflow is thought to be

  • Solved Porphyry deposits are the principal source of iron

    Transcribed image text: Porphyry deposits are the principal source of iron 22 Supergene enrichment deposits could result in the formation of ore deposits of copper (Cu) 23 True or False 02:02:34 True or False X 020225 True False True False Placer deposits occur in plutonic intrusions 24 Mobile phones contain many types of metals from minerals like lithium metal in cellphone batteries