| Pollard, P. J., Taylor, R. G., Peters, L. (2005) Ages of Intrusion, Alteration, and Mineralization at the Grasberg Cu-Au Deposit, Papua, Indonesia. Economic Geology, 100 (5) 1005-1020 doi:10.2113/gsecongeo.100.5.1005 | Journal (article/letter/editorial) | Alteration, and Mineralization at the Grasberg Cu-Au Deposit, Papua, Indonesia PETER J. POLLARD,â ROGER G. TAYLOR...magmatic and hydrothermal micas from the Grasberg Igneous Complex range from 3.33 ± 0.12 to 3.01 ± 0.06...alteration and mineralization indicate that the Grasberg Igneous Complex formed during several cycles of intrusion...hydrothermal alteration. These include the Dalam and Main Grasberg intrusion and alteration cycles (3.33 ± 0.12â3...06â3.06 ± 0.03 Ma), and a post-Kali intrusion and Grasberg mineralization cycle (3.06 ± 0.03 and 3.01 ± 0 | | | Journal (article/letter/editorial) | Taylor Paragenesis of the Grasberg CuâAu deposit, Irian Jaya, Indonesia: results from logging section...2001 Abstract The Grasberg CuâAu deposit is hosted within the Grasberg Igneous Complex (GIC), a Pliocene...volcanic and intrusive complex situated in the highlands of Irian Jaya, Indonesia. The GIC is composed...Dalam Diatreme and intruded by later, multistaged Grasberg and Kali intrusions. Each intrusive phase is overprinted...stages can be timed as post-Dalamâpre-MGI (Main Grasberg Intrusion), post-MGIâpre-Kali, and post-Kali, | | | Book (volume) | photograph: Upper benches o fth e Grasberg open pit, Papua, Indonesia, 1999. Photograph by T M Porter......... 287 ïŒ G rasbec^ Porphyry Cu-Au Deposit Papua» In d o n esia:1 .Magmatic History John T' Paterson...313 ïŒ ïŒ G rasbcrg Porphyry Cu-Au Deposit Papua Indonesia: 2. Pervasive Hydrotherm al Alteration John...Mineralisation in the Ertsberg Diorite, G unung Bijih (Ertsberg/G rasberg) District, West Papua, Indonesia Kurt C Friehauf...of Porphyry Cu-Mo-Ag Deposits in the Collahuasi DistrictïŒN orthern Chile Glertton J. Masterman, David R | | | Book | label: Aerial view of the Bingham Canyon copper mine, Kennecott Utah Copper, September 2003. Photo courtesy...Magmatic-Hydrothermal History of the RĂo Blanco-Los Bronces District, Central Chile: Development of Worldâs Greatest...Chuquicamata District, Northern Chile Geologic Overview of the Escondida Porphyry Copper District, Northern...± Molybdenum Deposits of the Ertsberg-Grasberg District, Papua, Indonesia Clyde A. Leys, Mark Cloos,...N. Moreto, AndrĂ© Luiz Silva Pestilho, Mineral Province, Brazil Gustavo Henrique Coelho de Melo, Marco | | | Journal (article/letter/editorial) | in magmatic arc settings. At the regional and district scales, the occurrence of many deposits in belts...second largest of Au (129 Moz: Grasberg, including contiguous skarn, Indonesia; J. MacPherson, PORPHYRY Cu...Los BroncesRĂo Blanco El Teniente Mamut Grasberg-Ertsberg Ok Tedi Cerro de Pasco & Colquijirca Choquelimpie...the geology of porphyry Cu systems at regional, district, and deposit scales. The resultant geologic model...El Abra 22° A AL C M E ALT O Regional- and District-Scale Characteristics 0361-0128/98/000/000-00 | | Graham, S, Pearson, N, Jackson, S, Griffin, W, O'Reilly, S.Y (2004) Tracing Cu and Fe from source to porphyry: in situ determination of Cu and Fe isotope ratios in sulfides from the Grasberg CuâAu deposit. Chemical Geology, 207 (3) 147-169 doi:10.1016/j.chemgeo.2004.02.009 | Journal (article/letter/editorial) | Cu and Fe isotope ratios in sulfides from the Grasberg CuâAu deposit S. Graham a,*, N. Pearson a, S....three igneous intrusions that make up the Grasberg Igneous Complex (GIC) and associated skarn deposits range...igneous sources. The Cu and Fe isotope data from the Grasberg porphyry and skarn sulfides show that transition...Keywords: Cu isotopes; Fe isotopes; Laser ablation; Grasberg porphyry * Corresponding author. Department of...from the Grasberg Cu â Au porphyry and its associated skarn deposits. The Grasberg Igneous Complex (GIC) | | | Journal (article/letter/editorial) | porphyry systems (El Salvador, Chile, and Grasberg, Indonesia) was examined to evaluate the potential of...during potassic alteration at El Salvador and Grasberg includes (i) reduction of SO42â in the aqueous...from the intrusive magmas. Keywords: El Salvador, Grasberg, Japan, porphyry Cu deposit, potassic alteration...Cu mineralization in the El Salvador and Grasberg, Indonesia deposits. Then, we present a summary review...zones at El Salvador and Grasberg 2.1 El Salvador In the El Salvador district, at least ïŹve intrusive | | | Book | Geology of the Kucing Liar Ore Body, Irian Jaya, Indonesia. Sugeng Widodo, Noris Belluz, Nur Wiwoho, Bowo.................... 61 ïŒ The Mankayan Mineral District, .Luzon Philippines. Artemio F Disini, Bruce M...Agua Rica Porphyry Cu-Mo-Au DepositïŒCatamarca Province, Northwestern Argentina. Part 1 : Exploration...and Rosario Copper Porphyry Deposits, CoUahuasi District Chile. Claudio Bisso B, Manuel Durdn andAquiles...a deposit, but rather the engineering ability to mine on a large scale at low cost, and simultaneously | | | Book (edition) | Belle Gold Mines in Kalgoorlie, PT North Mining Indonesia in Jakarta, TU Bergakademie Freiberg, ETH ZĂŒrich...thanked for their excellent drafting of the more complex maps displayed in this book. Dr. Annett BĂŒttner.... . . . . . . . . . . . . . . . . . 4.1 Roman Province (Italy): Example from a Continental Arc Setting... . . 6.3.1 Ladolam Gold Deposit, Lihir Island, Papua New Guinea . . . . . . . . . . . . . . . . . . ...Rica Copper-Gold-Molybdenum Deposit, Catamarca Province, Argentina . . . . . . . . . . . . . . 6.4.2 Bajo | | | Report (issue) | Introduction Porphyry copper deposits result from the complex interactions and feedbacks of many processes. Owing...from some deposits. Jambor and Owens (1987) found complex tin-bearing sulfide minerals in late-stage veins...Chile, Bajo de la Alumbrera in Argentina, Grasberg in Indonesia, and Bingham in the United States. ââ...Deformation of magmatic arcs can be exceedingly complex owing to the large variety of mechanisms by which... 2008), such as at the well-studied Grasberg deposit, Indonesia (for example, Sapiie and Cloos, 2004) | | | Book (edition) | BIBLIOGRAPHY OF THE GEOLOGY OF INDONESIA AND SURROUNDING ARE AS Edition 7.1 â 8 June 2020 J.T. VAN GORSEL...GORSEL Bibliography of Indonesia Geology, Ed. 7.1 1 www.vangorselslist.com 6/8/20 LIST OF CONTENTS........................................ 9 I.1. Indonesia Regional Geology.............................................................. 1507 VIII. WEST PAPUA (WEST NEW GUINEA)...................................... 1516 VIII.1. New Guinea General and West Papua ............................................... | | | Journal (article/letter/editorial) | Proposed process Lepanto, Philippines Frieda River, Papua New Guinea Bor, Serbia; Recs, Hungary Maricunga...al. (1994a) Important publications Nansatsu district, Japan GoldïŹeld, Nevada Summitville, Colorado...and many other sites Summitville Kawah Ijen, Indonesia Satsuma Iwojima, Japan Butte, Montana Summitville...White Island, New Zealand GoldïŹeld NV Deposit, district Table 1 Review of observations and interpreted...Mole Granite, Australia Alumbrera, Argentina; Grasberg, Irian Jaya Several other SnâW and Cuâ(MoâAu) | | Henley, Richard W., King, Penelope L., Wykes, Jeremy L., Renggli, Christian J., Brink, Frank J., Clark, David A., Troitzsch, Ulrike (2015) Porphyry copper deposit formation by sub-volcanic sulphur dioxide flux and chemisorption. Nature Geoscience, 8 (3) 210-215 doi:10.1038/ngeo2367 | Journal (article/letter/editorial) | Hydrostatic Lithostatic B A âŒ4 km Intrusion complex Magmatic gas expansion Magmatic gas plume Porphyry...deposits. a, The giant Grasberg porphyry copper deposit (PCD) in Irian Jaya, Indonesia, showing the >1 km...mineralized intrusive and volcanic rocks host the Ertsberg CuâAu skarn deposits29 . b, High-grade bornite...SiO5 + 3SiO2 + H2 S(g) (2) In reaction (2), andalusite and quartz, both PCD alteration minerals, are...are written illustratively rather than as more complex CuâFeâS minerals and cluster-like molecules26 | | Burisch, Mathias, Gerdes, Axel, Meinert, Lawrence D., Albert, Richard, Seifert, Thomas, Gutzmer, Jens (2019) The essence of time â fertile skarn formation in the Variscan Orogenic Belt. Earth and Planetary Science Letters, 519. 165-170 doi:10.1016/j.epsl.2019.05.015 | Journal (article/letter/editorial) | skarns in the Erzgebirge, a classic metallogenic province in central Europe. Garnet ages obtained not only...Skarns of the Erzgebirge, a classical metallogenic province in Central Europe, are a typical example of the...Fig. 1. Geological overview of the Erzgebirge province (modiïŹed after SĂ€chsisches Landesamt fĂŒr Umwelt...Erzgebirge The Erzgebirge is a classical metallogenic province with a multitude of economically important greisen...to age date the HĂ€mmerlein skarn (Schwarzenberg district) was based on Rb-Sr dates of muscovite (âŒ340 Ma; | | Frank, Mark R., Candela, Philip A., Piccoli, Philip M., Glascock, Michael D. (2002) Gold solubility, speciation, and partitioning as a function of HCl in the brine-silicate melt-metallic gold system at 800°C and 100 MPa. Geochimica et Cosmochimica Acta, 66 (21) 3719-3732 doi:10.1016/s0016-7037(01)00900-0 | Journal (article/letter/editorial) | sulfur-free brines, as a prelude to studies of more complex, sulfur-bearing, vapor-brine systems. Important...concentrations yields a slope of âŹ2, suggesting that the complex of gold in the brine under these conditions has...tentatively that AuCl2H (AuCl â«» HCl) is the dominant complex in b the brine at high C HCl . The regression lines...for the low-HCl experiments, where a gold-chloro complex is not thought to be important, may be the result...equation for the regressed line. A non-chloro gold complex should not be affected by HCl concentrations in | | Wan, Bo, Xiao, Wenjiao, Han, Chunming, Windley, Brian F., Zhang, Lianchang, Qu, Wenjun, Du, Andao (2014) ReâOs molybdenite age of the CuâMo skarn ore deposit at Suoerkuduke in East Junggar, NW China and its geological significance. Ore Geology Reviews, 56. 541-548 doi:10.1016/j.oregeorev.2013.02.011 | Journal (article/letter/editorial) | Junggar, and certainly no Permian intrusions in the mine area. In contrast, Late Carboniferous granites are...Suoerkuduke CuâMo ore is a medium-size skarn deposit. The mine area is mainly composed of mid-Devonian volcaniclastics...(BGMRX, 1993). Intrusive rocks in the eastern part of mine area are mostly K-feldspar granites that consist...volcanic walls rocks is a narrow contact metamorphic andalusite + feldspar + quartz hornfels, which is completely...be the source of the skarn ore. The strata in the mine area were deformed by folds with NNW/ SSE-trending | | | Journal (article/letter/editorial) | Gold, being dominantly transported as a chloride complex at high temperature (Williams-Jones et al. 2009...<1 g/t although in some deposits, such as Grasberg (Indonesia) and Ridgeway (Australia), they are higher...quartz present B K-feldspar Rock buffered Andalusite Muscovite itic ric Se gil Ar li c pyrophyllite...pyrargarite from the Maria vein, Manantial Espejo Mine (southern Argentina). (F) Unoxidized and brecciated...ligand for the transport of Au as a bisulfide complex (Seward and Barnes 1997; Williams-Jones et al. | | Hovakimyan, Samvel, Moritz, Robert, Tayan, Rodrik, Melkonyan, Rafael, Harutyunyan, Marianna (2019) Cenozoic Strike-Slip Tectonics and Structural Controls of Porphyry Cu-Mo and Epithermal Deposits During Geodynamic Evolution of the Southernmost Lesser Caucasus, Tethyan Metallogenic Belt. Economic Geology, 114 (7) 1301-1337 doi:10.5382/econgeo.4662 | Journal (article/letter/editorial) | Armenia Abstract The Zangezur-Ordubad mining district of the southernmost Lesser Caucasus is located...The Zangezur-Ordubad region is a major mining district along the Tethyan metallogenic belt (Jankovic...Caucasus (Fig. 1; Moritz et al., 2016a). This mining district records an about 30 m.y. long incremental pluton...formation stages in the ZangezurOrdubad mining district, (2) their relationship with regional dextral...structures recognized in the Zangezur-Ordubad district and describe their kinematics. Then we document | | | Report (volume) | porphyry copper deposit in the Panagyurishte ore district, Srednogorie zone, Bulgaria: U-Pb zircon geochronology...activity of the Madjarovo base-precious metal ore district, eastern Rhodopes, Bulgaria 137 KROHE, A. &...High Atlas (Morocco): the High Seksaoua mining district. 247 YAKUBCHUK, A. The Baikalide-Altaid, Transbaikal-Mongolian...to relate to transient effects in a subduction complex, often through plate reorganization, rather than...mineralization of Oligocene-Miocene age related to a complex transtensional shear regime of conjugate strike-slip | | | Journal (article/letter/editorial) | affected the adakitic volcanoplutonic Shuteen Complex. The local occurrence of low-grade copper mineralization...mineralization and widespread alteration in the Shuteen Complex are typical of lithocaps found in high-level porphyry...plutonic rocks (Shuteen pluton) of the Shuteen Complex that were emplaced over and into the lower Carboniferous...Formation, respectively (Fig. 1). The Shuteen Complex is approximately 15 Ă 13 km in plan view (Fig....granodiorite (Batkhishig et al., 2010). The Shuteen Complex is adakitic, being silica saturated, rich in Al2O3 | | | Journal (article/letter/editorial) | 240-m-thick quartzite unit of the Pennsylvanian Bingham Mine Formation, extends 170 m from the northeast margin...a thrust fault, below which beds of the Bingham Mine Formation are vertical and cut by abundant northeast-striking...sericitic â qtz-ser-(kaol) Grasberg, Indonesia Porphyry Cu-Au Illitic, local andalusite Associated with cv...py Latest overprint in outer parts of igneous complex Pollard et al. (2000) Chuquicamata, Chile Porphyry...based on nk-cv-S equilibria Clark (1970) Undu Mine, Nukundamu, Fiji Kuroko-type massive sulfide Qtz-opal | | | Book | sustainability, and the important but complex issue of the social license to mine. The ïŹnal chapter provides a...Bushveld Complex. . . . 3.3 Magnetite and Platinum Group Element Deposits of the Bushveld Complex . . ....the Global Mineral Market The Social Licence to Mine. . . . . . . . . . . . . . . . . . 6.8.1 Pebble...turn of the last century it was only possible to mine deposits with high grades that were close to the...utilisation of modern techniques, it is possible now to mine ore with as little as 0.5 % Cu. And with the economy | | Tafti, R., Lang, J. R., Mortensen, J. K., Oliver, J. L., Rebagliati, C. M. (2014) Geology and Geochronology of the Xietongmen (Xiongcun) Cu-Au Porphyry District, Southern Tibet, China. Economic Geology, 109 (7) 1967-2001 doi:10.2113/econgeo.109.7.1967 | Journal (article/letter/editorial) | Geochronology of the Xietongmen (Xiongcun) Cu-Au Porphyry District, Southern Tibet, China** Reza Tafti,1,â ,* James...Columbia V2B 8N1, Canada Abstract The Xietongmen district is located 260 km west-southwest of Lhasa in the...the Tibet Autonomous Region, China. The district occurs within the Gangdese belt, which forms the eastern...Trans-Himalayan magmatic belt and is the product of complex magmatic activity that began during the Late Triassic...prospects. Porphyry mineralization in the Xietongmen district formed during Middle Jurassic volcanic arc activity | | Vishiti, Akumbom, Suh, Cheo Emmanuel, Lehmann, Bernd, Shemang, Elisha Mutum, Ngome, Njumbe Lionel Junior, Nshanji, Nfor Jones, Chinjo, Fonkwo Edmond, Mongwe, Oben Yoland, Egbe, Ashu Jones, Petersen, Sven (2018) Mineral chemistry, bulk rock geochemistry, and S-isotope signature of lode-gold mineralization in the BĂ©tarĂ© Oya gold district, south-east Cameroon. Geological Journal, 53 (6) 2579-2596 doi:10.1002/gj.3093 | Journal (article/letter/editorial) | lodeâgold mineralization in the BĂ©tarĂ© Oya gold district, southâeast Cameroon | Cheo Emmanuel Suh1 | Bernd...Lodeâgold mineralization in the BĂ©tarĂ© Oya gold district is related to a series of quartzâsulphide veins...goldâquartz vein mineraliza- In the BĂ©tarĂ© Oya gold district, no Sâisotope study has been done to tion has...physicochemical processes involved in the deposition of Province northâeastern Brazil (Neto, Legrand, Volfinger...geochemi- of the Atlantic. The BĂ©tarĂ© Oya gold district is one of several shearâ cal, and sulphur isotope | | Que, Xiang, Huang, Jingyi, Ralph, Jolyon, Zhang, Jiyin, Prabhu, Anirudh, Morrison, Shaunna, Hazen, Robert, Ma, Xiaogang (2024) Using adjacency matrix to explore remarkable associations in big and small mineral data. Geoscience Frontiers, 15 (5) 101823 doi:10.1016/j.gsf.2024.101823 | Journal (article/letter/editorial) | worldâs largest copper and gold mines, Grasberg mine in Indonesia (Pollard et al., 2005). (3) Understanding...quantitative visualization framework to explore complex patterns in mineral systems (Morrison et al., 2017)...understand the underlying structure and dynamics of complex systems, thus providing insights into different...group in red is the second largest, including andalusite, biotite, cristobalite, grunerite, magnetite...elements, such as titanium, primarily formed in complex alkaline magma or hydrothermal deposits. The minerals |
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