indonesian porphyry copper deposits

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  • EPITHERMAL GOLD SILVER and PORPHYRY COPPER GOLD EXPLORATIONPorphyry Copper Deposits Geology for Investors

    EPITHERMAL GOLD SILVER and PORPHYRY COPPER GOLD EXPLORATION Short Course Manual Greg Corbett Incomplete DRAFT as at February corbettgeology Corbett Short Course Manual SUMMARY This short course manual considers field aspects of epithermal and porphyry ore deposits as an aid to mineral exploration The classification of ore systems used here allows ore Porphyry copper deposits can also be associated with epithermal gold deposits formed by the same volcanic complex above the deeper seated porphyry If alternation occurs in carbonate rich rocks then unusual skarn mineralisation can also develop

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  • Porphyry geology WikipediaContributions to the Geology of Mineral Deposits USGS

    The term porphyry is also used for a mineral deposit called a copper porphyry The different stages of cooling that create porphyritic textures in intrusive and hypabyssal porphyritic rocks also lead to a separation of dissolved metals into distinct zonContributions to the Geology of Mineral Deposits A Exploration for Porphyry Metal Deposits Based on Rutile Distribution a Test in Sumatera by Eric R

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  • Thermal history analysis of selected Chilean Indonesian Porter GeoConsultancy Ore Deposit Description

    Porphyry Deposits in Indonesia Grasberg Porphyry Cu Au Deposit The Grasberg Cu Au deposit Fig 5 is a giant ore system in West Papua with proven and probable reserve estimates of around Mt 108 Cu and 098 g/t Au The economic porphyry is the Main Grasberg Intrusion a quartz monzodiorite that intruded the core of the Dalam Diatreme The final stage of magmatic activity at The Batu Hijau porphyry copper gold deposit is located on the south western corner of the island of Sumbawa in central Indonesia Following sale of the controlling interests held by Newmont and Sumitomo in late the deposit is controlled by PT Amman Mineral Nusa Tenggara

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  • New Brian Controls of copper and gold distribution PT Merdeka Group Indonesian mining on the world stage

    Grasberg copper budget is of similar scale to the giant porphyry deposits of the southwest USA and Chile Cooke et al The well studied Bingham Canyon deposit in Utah has a similarThe underlying porphyry deposit has an Inferred Mineral Resource of some 19 billion tonnes at estimated grades of 045 copper and 044 grams per tonne gold making it one of the largest projects of its kind in the world All told the porphyry is estimated to contain 28 million ounces of gold and 19 billion pounds of copper

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  • Porphyry copper deposit Wiki EveripediaThe 10 biggest copper mines in the world Mining Technology

    Some porphyry copper deposits in oceanic crust environments such as those in the Philippines Indonesia and Papua New Guinea are sufficiently rich in gold that they are called copper gold porphyry depositsThe porphyry copper deposit was discovered in and has been operational since It is the first mine to be developed entirely by the state owned Codelco and produced 427 791t of copper and molybdenum in

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  • porphyry Example sentencesPreliminary Model of Porphyry Copper Deposits USGS

    Porphyry is in our corpus but we don t have a definition yet These example sentences show you how porphyry is used These examples are from the Cambridge English Corpus and from sources on the web Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or ofCopper is the primary commodity of economic interest in most porphyry copper deposits although some deposits with low to very low copper grades are mined principally for their gold for example Çopler Turkey and or molybdenum for example

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  • CHAPTER 4 PORPHYRY DEPOSITS British ColumbiaTombulilato Porphyry copper deposit USGS

    CHAPTER 4 PORPHYRY DEPOSITS CLASSIFICATION AND GEOLOGICAL CHARACTERISTICS The development of the first porphyry copper and molybdenum deposits in British Columbia in the s and s had a profound effect on the mining commu nity Newell et al It was recognized that large low grade deposits could be mined economically by open pit methods through economies of Pearson DF and Caira NM The geology and metallogeny of central north Sulawesi in Weber Graeme ed PACRIM 99 Congress International Congress on Earth

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  • Porphyry Copper Systems University of UtahRio Tinto on the lookout for BC porphyry deposit MINING

    Porphyry Copper Systems boundaries including porphyry deposits centered on intrusions skarn carbonate replacement and sediment hosted Au deposits in increasingly peripheral locations and superjacent high and intermediate sulfidation epi thermal deposits The systems commonly define linear belts some many hundreds of kilometers long as well as occurring less commonly in apparent Porphyry deposits are sought after because they are usually low grade and large scale allowing for bulk mining and economies of scale Copper porphyries typically contain 100

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  • Porphyry copper deposit RevolvyBioleaching of Supergene Porphyry Copper Ores from Sungai

    Some porphyry copper deposits in oceanic crust environments such as those in the Philippines Indonesia and Papua New Guinea are sufficiently rich in gold that they are called copper gold porphyry depositsFor the economic extraction of valuable copper from such ores the bioleaching of supergene porphyry copper ore from Sungai Max in Southeast Sulawesi of Indonesia was investigated in shake flask experiments at room temperature 28 176 C for 14 days using an iron and sulfur oxidizing bacterium Alicyclobacillus sp indigenous to an Indonesian mine site The main mineralogical composition of

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  • Batu Hijau mine WikipediaPreliminary Model of Porphyry Copper Deposits

    The Batu Hijau mine is an open pit copper gold mine operated by Newmont Mining Corporation s subsidiary company PT Newmont Nusa Tenggara PT Newmont Copper is the primary commodity of economic interest in most porphyry copper deposits although some deposits with low to very low copper grades are mined principally for their gold eg Çopler

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  • Porter GeoConsultancy Ore Deposit DescriptionTHERMAL HISTORY ANALYSIS OF SELECTED CHILEAN INDONESIAN

    Friehauf K C Titley S R and Gibbins S L Porphyry Style Mineralisation in the Ertsberg Diorite Gunung Bijih Ertsberg/Grasberg District West Papua Indonesia in Porter T M Ed Super Porphyry Copper and Gold Deposits A Global Perspective v2 pp 357 366preservation potential of hypogene ore deposits with super porphyry deposits like Sar Cheshmeh potentially losing 35 Mt of copper to erosion over the last 5 million years The potential for

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  • Porphyry copper deposit definition of Porphyry copper What Investors Need to Know About Porphyry Copper Deposits

    Some porphyry copper deposits in oceanic crust environments such as those in the Philippines Indonesia and Papua New Guinea are sufficiently rich in gold that they are called copper gold porphyry depositsPorphyry deposits are one of the most important sources of copper and molybdenum and are also major sources of silver gold and tin In addition porphyry deposits may host valuable by products

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  • Porphyry Copper Assessment of Southeast Asia and MelanesiaHydrothermal mineral deposit Wikipedia

    On a regional basis both the Indochina Peninsula area and the Indonesian Malaysian Islands area are estimated to contain about 10 times as much in place copper in undiscovered porphyry copper deposits as has been identified to date For the New Guinea Island areas the ratio of undiscovered to identified copper resources is about 2 Some parts of the region have a long history of porphyry Porphyry deposits account for most of the copper and molybdenum world production 60 and 95 percent of its supply respectively 1 Porphyry type ore deposits form in hydrothermal fluid circulation systems developed above and around high level subvolcanic felsic to intermediate magma chambers and/or cooling plutons

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  • Porphyry Deposits PowerPoint Presentation SlideServeEverything You Need to Know About Copper Porphyries

    Porphyry Deposits The Importance of Porphyry Deposits as a Copper and Gold Resource Gold Resourc Copper Resourc A Geological Cross Section through the Batu Hijau Porphyry Deposit IndonesiaEverything You Need to Know About Copper Porphyri Presented by Entrée Gold What is a Porphyry Porphyry deposits are very large polymetallic systems that typically contain copper along with other important metals

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