Tectonic and Structural Controls to Porphyry and Epithermal

Indonesian Region – Gold and Copper Deposits gt 5 M Oz Au Resource gt 10 M Oz Au Resource Martabe Major gold and copper districts deposits and prospects of the Indonesian region after Garwin 2000 The magmatic arcs and orogenic belts are modified from

systems near the Batu Hijau porphyry copper gold deposit

Indonesian Geologist Association 10 2011 Download Article Gold paragenesis Unlike many other porphyry coppergold deposits early copper minerals born

Geology of Porphyry Copper Deposits

2019126 ensp 0183 enspA different but closely related group of deposits to Porphyry Copper Deposits are the skarn deposits Skarns are formed when hot magma intrudes the limestone the fluids from the intrusive alter the limestone to form an exoskarn The intrusives also simulates the limestone altering its composition and forming and endo skarns

Major Miocene geological events in southern Tibet and

2018528 ensp 0183 enspthese porphyry deposits provides clues to the mechanism that controlled coordinated these major collisionassociated tectonic events Here we show that all these events were associated with the subduction of the Ninetyeast Ridge 2 Results The Gangdese porphyrycopperdeposit belt is the largest of its type in China being 400 km in length and

Role of Potassic Alteration for Porphyry Cu Mineralization

The role of potassic alteration and associated quartz veins for porphyry Cu mineralization in two representative porphyry systems El Salvador Chile and Grasberg Indonesia was examined to evaluate the potential of porphyry Cu mineralization in Japan

Porphyry geology

Porphyry copper deposit Porphyry copper deposits are copper orebodies which are associated with porphyritic intrusive rocks and the fluids that accompany them during the transition and cooling from magma to rock Circulating surface water or underground

Contributions to the Geology of Mineral Deposits

2010914 ensp 0183 enspCONTRIBUTIONS TO THE GEOLOGY OF MINERAL DEPOSITS EXPLORATION FOR PORPHYRY METAL DEPOSITS BASED ON RUTILE DISTRIBUTION A TEST IN SUMATERA By ERIC R FORCE 1 SUKIRNO DJASWADI 2 and THEO VAN LEEUWEN3 ABSTRACT At the Tangse porphyrycopper prospect rutile in thick soil reflects the distribution

Copper Mining in Indonesia INN

Indonesia s copper deposits are gold rich porphyry copper deposits typical of the islands of Southeast Asia These gold rich porphyries are hosted by diorite to quartz diorite and to a much

Seismic hazard analysis for the Philippines

S 1979 Tectonic scenarios of the Philippines and northern Indonesian The geology and geochemistry of Philippine porphyry copper deposits in The

CopperGold 177 Molybdenum Deposits of the Ertsberg

Nonetheless genesis of the copper provinces remains somewhat enigmatic and a topic of ongoing debate A variety of depositscale geometric and geologic features and factors strongly influence the size and or grade of porphyry copper sedimenthosted stratiform copper and or IOCG deposits

Porphyry copper assessment of Southeast Asia and

The U S Geological Survey collaborated with member countries of the Coordinating Committee for Geoscience Programmes in East and Southeast Asia CCOP on an assessment of the porphyry copper resources of Southeast Asia and Melanesia as part of a global mineral resource assessment The region hosts worldclass porphyry copper deposits and underexplored areas that are likely to contain

Porphyry Type Mineralization at Selogiri Area Wonogiri

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The timing and location of major ore deposits in an evolving

200411 Proceedings of the Indonesian Petroleum association 27 487 493 HALL R porphyry copper gold and epithermal gold deposits in the circum

Copper Mining in Indonesia INN Investing News Network

2019526 ensp 0183 enspCopper Mining in Indonesia Investing News Network May 26th 2011 Indonesia s copper deposits are goldrich porphyry copper deposits typical of

Porphyry Copper Assessment of Southeast Asia and Melanesia

Mar 14 2013 nbsp 0183 32The region hosts worldclass porphyry copper deposits and underexplored areas that are likely to contain undiscovered deposits Examples of known porphyry copper deposits include Batu Hijau and Grasberg in Indonesia Panguna Frieda River and

MINERALOGY AND ORIGIN OF COPPER

indicated that the range of porphyry related deposits skarn and porphyry systems can form during a single prolonged hydrothermal event Keywords Batu Hijau deposit Copper gold bearing skarn Fluid inclusion Indonesia Magmatic origin Sulfur isotope

Porphyry Copper Assessment of Southeast Asia and Melanesia

The purpose of the assessment was to 1 delineate permissive areas tracts for undiscovered porphyry copper deposits at a scale of 1 1 000 000 2 provide a database of known porphyry copper deposits and significant prospects 3 estimate numbers of undiscovered deposits within those permissive tracts and 4 provide probabilistic estimates of amounts of copper Cu molybdenum Mo gold

EXPLORATION CONFIRMS POTENTIAL FOR

2019929 ensp 0183 enspepithermal gold and porphyry copper gold deposits in Eastern Indonesia Hillgrove s flagship development is the Kanmantoo Copper Gold Project loed less than 60km from Adelaide in South Australia Kanmantoo currently hosts a Mineral Resource of 32 2Mt 2 3MT Measured 22 5MT Indied and 7 4MT Inferred grading 0 9 copper and

The geology of the Tangse porphyry copper molybdenum prospect

Geologicalenvironmentof Indonesianmineral de posits a plate tectonicapproach Indonesia Taylor D andvanLeeuwen T 1980 Porphyry typedeposits Mobility of

VEINS AND HYDROTHERMAL BRECCIAS OF THE RANDU

Both veining and brecciation processes have an important role in gold and copper mineralisation of the Randu Kuning Porphyry CuAu and epithermal Aubase metals deposits mostly related to the presence of quartz veins veinlets containing significant sulphides i e quartz with thin centre line sulphides Abtype veins pyrite 177chalcopyrite C

Highgrade coppergold porphyry discovery in Indonesia

2018128 ensp 0183 enspHighgrade coppergold porphyry crosses the deposits quot Water readily available quot 2 Indonesian parties own the remaining interest and are free

Volatile induced transport of HFSE REE Th and U in arc

Therefore in analogy with porphyry copper deposits being associated with NWO and the Indonesian Institute of Sci ence LIPI and during

AMIRA s new porphyry copper gold project

P765A produced a series of mineral chemistry vectors within porphyry copper systems to allow the primary deposits to be seen from much further away than previously The project focussed on two problematic environments surrounding or overlying mineralised

Porphyry copper deposit Wikipedia

The US Geological Survey has classed the Chorolque and Catavi tin deposits in Bolivia as porphyry tin 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 coppergold porphyry deposits References

CORE

Thermal histories of Indonesian porphyry copper gold deposits determined by U Th He U Pb Re Os K Ar and Ar Ar methods By B I A McInnes N J Evans D Sukarna S Permanadewi S Garwin E Belousova W L Griffin and F Fu Abstract 4 page s

Bioleaching of Supergene Porphyry Copper Ores from

For 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 C for 14 days using an

Ciemas Porphyry copper prospect

Porphyry copper prospect in Jawa Barat Indonesia Names and other identifiers GMRAP ID 659 Tract name Sunda Banda Arc sub tract a 142pCu7025a Site status prospect Geographic location Country Indonesia State or province Jawa Barat 106 56 22

Quarterly Activities Report ASX

2013722 ensp 0183 enspidentified in the project area These could be linked to porphyry goldcopper targets at depth The potential of the region for major porphyry coppergold deposits is highlighted by the discovery of Tumpangpitu coppergold deposit by Intrepid Mines Limited at Tujuh Bukit loed some 200 km to the east of Trenggalek

Sr isotopic and trace element variations in Oligocene to

10 W Hamilton Tectonics of the Indonesian region U S Geol Surv The geology and geochemistry of Philippine porphyry copper deposits in The

CopperGold Mineralization Characteristics of the Sungai

20131119 ensp 0183 ensphydrothermal goldsilver deposit shallow lowsulfide type porphyry copper gold deposits and hydrothermal copper goldsilver deposit shallow high sulfide type has been confirmed Sungai Mak deposit was estimated as porphyry copper deposit but detail reserch was not yet doing In this study object is to reveal the

Tectonic Settings of Metal Deposits

Along the Circum Pacific Belt major metallic deposits occur in western North and South America Japan Philippines New Zealand and Indonesia More than half of the world s supply of copper comes from the Porphyry Copper Deposits of this region Important

Gold Mining and Submarine Tailings Disposal Review and Case

Typical of Carlin type deposits the NMR mine porphyry copper gold deposit whose tailings Conservation Biogeography of the Indonesian

porphyry copper gold deposits rodiziogrill

porphyry copper gold deposits Porphyry geology Wikipedia Chinese 2018103 ampensp 183 ampenspThis process which occurs primarily when fluids are driven off the cooling magma is one of the main reasons for the existence in the world of rich localized metal ore deposits such as those of gold copper molybdenum lead tin zinc rhenium and tungsten

Epithermal gold deposits in West Java Indonesia geology

Over the last several years 1993 a gold rush in Indonesia has led to the identification of geological resources of gt 3500 tonnes of gold in epithermal and porphyry copper deposits in Sulawesi Mesel Kalimantan Kelian Wetar Lerokis Java

Tangse Porphyry copper deposit USGS

At Tangse an outcrop of stockworkaltered porphyry was discovered during a BritishIndonesian government sponsored regional geologic mapping and exploration geochemistry program in 1976 The discovery was followed by soil sampling geophysical studies and exploratory drilling 19791981 Van Leeuwen 1994

PT Merdeka Group Indonesian mining on the world stage

201754 ensp 0183 enspThe underlying porphyry deposit has an Inferred Mineral Resource of some 1 9 billion tonnes at estimated grades of 0 45 copper and 0 44 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

Dome related gold mineralization in the Pani volcanic complex

Porphyry copper gold skarn and high sulphidation enargite gold deposits Article Indonesian mineral deposits introductory comments comparisons and

Bulagidun prospect a copper gold and tourmaline bearing

Bulagidun prospect a copper gold and tourmaline bearing porphyry and breccia system in northern Sulawesi Indonesia H Lubisa S Prihatmokoa L P Jamesb quotBHP Minerals Pacific Inc Jl Burangrang 18 Bogor 16151 Indonesia bBHP Minerals Asia Pacific Ply Ltd 39 F Bank of China Tower 1 Garden Road Hong Kong Hong Kong Received 18 October

Geochemistry of Selected Coal Samples from Sumatra

2013111 porphyry Cu porphyry Mo skarn Cu Au Total production from deposits in Sumatra and Geology of Indonesian Coal Basins Sample Location

Geochemical aspects of molybdenum and SpringerLink

Porter M 1998 An overview of the worlds porphyry and other hydrothermal copper and gold deposits and their distribution In Porter M ed Porphyry and hydrothermal copper and gold deposits a global perspective Perth Conf Proc Glenside South Australia Aus Min Found 3–17 Google Scholar

Tectonics and Geology of Porphyry CuAu Deposits along the

Request PDF on ResearchGate Tectonics and Geology of Porphyry CuAu Deposits along the Eastern Sunda Magmatic Arc Indonesia The discovery of the worldclass CuAu deposit

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