 | 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,† 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 ± 0.12–3...06–3.06 ± 0.03 Ma), and a post-Kali intrusion and Grasberg mineralization cycle (3.06 ± 0.03 and 3.01 ± 0 |  | | Journal (article/letter/editorial) | | Pliocene Intrusions in the Gunung Bijih (Ertsberg) Mining District, Irian Jaya, Indonesia: Petrography and Mineral...Pliocene Intrusions in the Gunung Bijih (Ertsberg) Mining District, Irian Jaya, Indonesia: Petrography and Mineral...Pliocene Intrusions in the Gunung Bijih (Ertsberg) Mining District, Irian Jaya, Indonesia: Petrography and Mineral...within the Gunung Bijih (Ertsberg) Mining District in Irian Jaya (western New Guinea), Indonesia. Several...skarn ore has been delineated or produced from the district. Most of these skarns are associated with a quartz |  | | Journal (article/letter/editorial) | | Pliocene Intrusions in the Gunung Bijih (Ertsberg) Mining District, Irian Jaya, Indonesia: Major- and Trace-Element...Pliocene Intrusions in the Gunung Bijih (Ertsberg) Mining District, Irian Jaya, Indonesia: Major- and Trace-Element...Pliocene Intrusions in the Gunung Bijih (Ertsberg) Mining District, Irian Jaya, Indonesia: Major- and Trace-Element...in the Gunung Bijih (Ertsberg) Mining District of Irian Jaya (western New Guinea), Indonesia. Several...of the Ertsberg Intrusion. All but the Big Gossan deposit are related genetically to the Ertsberg Intrusion |  | | Journal (article/letter/editorial) | | in the Grasberg giant porphyry Cu–Au deposit, Ertsberg (Gunung Bijih) mining district, Papua, Indonesia...in the Grasberg giant porphyry Cu–Au deposit, Ertsberg (Gunung Bijih) mining district, Papua, Indonesia...in the Grasberg giant porphyry Cu–Au deposit, Ertsberg (Gunung Bijih) mining district, Papua, Indonesia...July 2013 (Accepted 30 July 2012) The Ertsberg mining district is in the core of the Central Range of...Miocene/Pliocene. The district is best known for the Grasberg igneous complex (GIC), the host of a giant |  | | Journal (article/letter/editorial) | | processing approaches. For example, the Ertsberg-Grasberg district of Indonesia contains several large skarn Cu-Au-Ag...refer to it as the Ertsberg district. Subsequent discovery of the giant Grasberg porphyry Cu-Au-Ag deposit...deposit led to the entire district being renamed Grasberg and classified as a porphyry deposit, despite...skarn deposits within the district. The Ok Tedi Cu-Au-Ag deposit of western Papua New Guinea also is generally...rather than porphyry bodies. Thus, following the Grasberg example in terms of contained metal, Ok Tedi could |  | | Journal (article/letter/editorial) | | Taylor Paragenesis of the Grasberg Cu–Au deposit, Irian Jaya, Indonesia: results from logging section...2001 Abstract The Grasberg Cu–Au 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-Dalam–pre-MGI (Main Grasberg Intrusion), post-MGI–pre-Kali, and post-Kali, |  | Wafforn, S., Seman, S., Kyle, J. R., Stockli, D., Leys, C., Sonbait, D., Cloos, M. (2018) ANDRADITE GARNET U-Pb GEOCHRONOLOGY OF THE BIG GOSSAN SKARN, ERTSBERG-GRASBERG MINING DISTRICT, INDONESIA. Economic Geology, 113 (3) 769-778 doi:10.5382/econgeo.2018.4569 | Journal (article/letter/editorial) | | GEOCHRONOLOGY OF THE BIG GOSSAN SKARN, ERTSBERG-GRASBERG MINING DISTRICT, INDONESIA S. Wafforn,1,† S. Seman,2 J...Pennsylvania 16802 3 Freeport-Indonesia, Tembagapura, Papua 99920, Indonesia Abstract The Big Gossan skarn...prolific Ertsberg-Grasberg mining district, on the island of New Guinea in eastern Indonesia. The skarn...adjacent to the western edge of the 3.1 to 2.8 Ma Ertsberg diorite. Andradite garnets from eight Big Gossan...Andradite garnet U-Pb ages are compatible with district-wide zircon U-Pb geochronology and a single 2 |  | Prendergast, K., Clarke, G. W., Pearson, N. J., Harris, K. (2005) Genesis of Pyrite-Au-As-Zn-Bi-Te Zones Associated with Cu-Au Skarns: Evidence from the Big Gossan and Wanagon Gold Deposits, Ertsberg District, Papua, Indonesia. Economic Geology, 100 (5) 1021-1050 doi:10.2113/gsecongeo.100.5.1021 | Journal (article/letter/editorial) | | Gossan and Wanagon Gold Deposits, Ertsberg District, Papua, Indonesia KYLIE PRENDERGAST,† GAVIN W. CLARKE...Hobart, Tasmania 7001, Australia Abstract The Ertsberg district hosts multiple skarn and porphyry-related...Introduction THE ERTSBERG DISTRICT is located in the mountainous Central Ranges of West Papua (Fig. 1). Pliocene...prospects of the Ertsberg district (modified with permission from unpub. Freeport Indonesia geologic mapping)...mapping). The 40Ar/39Ar biotite ages for the Grasberg Igneous Complex, the phlogopite age of the Kucing Liar |  | | Journal (article/letter/editorial) | | accepted after revision 28 October 1993 ) Abstract Indonesia possesses a spectrum of precious- and base-metal...the remainder of the archipelago is related to complex convergence along the northeastern margin of the...common with other subduction-related, I-type/magnetite-series volcano-plutonic arcs generated during...the western extension of the major Au-Cu province of Papua New Guinea. North Sulawesi may be a southwestern...continuation of the Philippines (eastern Mindanao) Au-Cu province (Carlile and Kirkegaard, 1985). Mineralization |  | | Journal (article/letter/editorial) | | andReplacement-Type Ore Deposits of the Ertsberg(GunungBijih)District,IrianJaya,Indonesia* JEFFREY N. RUBIN** ANDJ.RICHARD...fineness anda Cu-Fesulfidehostfor mostAg in the Gunung BijihTimurcomplex of Cu-Auskarndeposits, theBigGossan...800ppm)andwithno detectable Pd. Fire assay of Grasberg ore reveals tracebut detectable (10 ppb < [Pd]<...ns of Pd andno detectable Pt. NativeAu fromthe Gunung BijihTimurcomplex averages twiceasmuchCu asthatfromGrasberg...dataindicate thatthebulkof theAgin theGunung BijihTimur complex iscontained bybornitc,indicating a partitioning |  | | Journal (article/letter/editorial) | | computed tomography studies of Grasberg porphyry Cu-Au ores, Papua, Indonesia J. Richard Kyle & Alison S...gold and related ore minerals in the supergiant Grasberg porphyry Cu–Au deposit. Digital radiographs have...smaller-diameter (≤22-mm) cores of Grasberg ores. Smalldiameter (≤10 mm) cores of the Grasberg stockwork Cu– Au ore...Cu–Au . Mineralogy . Exsolution . Ore processing . Grasberg Introduction High-resolution X-ray computed tomography...mineral processing, ore samples from the supergiant Grasberg Cu– Au porphyry have been studied using HRXCT |  | | Book (volume) | | photograph: Upper benches o fth e Grasberg open pit, Papua, Indonesia, 1999. Photograph by T M Porter......... 287 ， G rasbec^ Porphyry Cu-Au Deposit Papua» In d o n esia:1 .Magmatic History John T' Paterson...313 ， ， 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 District，N orthern Chile Glertton J. Masterman, David R |  | Henley, Richard W., Brink, Frank J., King, Penelope L., Leys, Clyde, Ganguly, Jibamitra, Mernagh, Terrance, Middleton, Jill, Renggli, Christian J., Sieber, Melanie, Troitzsch, Ulrike, Turner, Michael (2017) High temperature gas–solid reactions in calc–silicate Cu–Au skarn formation; Ertsberg, Papua Province, Indonesia. Contributions to Mineralogy and Petrology, 172 (11) doi:10.1007/s00410-017-1413-6 | Journal (article/letter/editorial) | | calc–silicate Cu–Au skarn formation; Ertsberg, Papua Province, Indonesia Richard W. Henley1 · Frank J. Brink2...Abstract The 2.7–3 Ma Ertsberg East Skarn System (Indonesia), adjacent to the giant Grasberg Porphyry Copper...alteration mineral not previously recognized at Ertsberg), and (b) sulfation of anorthite to anhydrite...young, 2.7–3.0 Ma, Ertsberg East Skarn System (EESS) deposit, alongside the giant Grasberg porphyry copper...Simplified geological map pf the Grasberg–Ertsberg district, West Papua, Indonesia. b, c Geology and cross-section |  | | Journal (article/letter/editorial) | | scanned cathodoluminescence: Grasberg Igneous Complex, Irian Jaya, Indonesia SARAH C. PENNISTON-DORLAND*...ABSTRACT Vein quartz from the Grasberg Igneous Complex in Irian Jaya, Indonesia, displays a wide range of...chalcopyrite) and oxides (e.g., hematite and magnetite) yield much information about mineral parageneses...With scanned CL, however, vein quartz from the Grasberg porphyry Cu ore deposit reveals numerous textural...the Grasberg Igneous Complex, a porphyry Cu ore deposit in the Gunung Bijih (Ertsberg) District of Irian |  | Hill, K. C., Kendrick, R. D., Crowhurst, P. V., Gow, P. A. (2002) Copper‐gold mineralisation in New Guinea: Tectonics, lineaments, thermochronology and structure. Australian Journal of Earth Sciences, 49 (4) 737-752 doi:10.1046/j.1440-0952.2002.00944.x | Journal (article/letter/editorial) | | thermochronological and geodynamic analyses of the Grasberg, Porgera, Ok Tedi and Frieda River deposits show...lineaments, mineralisation, New Guinea Fold Belt, Papua New Guinea, transfer faults. INTRODUCTION New Guinea...Solomon Sea Plate to the west beneath the oblique Papua New Guinea margin (Figure 2a). Initially this coincided...coincided with extension of the overriding Papua New Guinea margin, locally creating metamorphic core...way to development of the Maramuni Arc along the Papua New Guinea margin, but not extending into Irian |  | Meinert, Lawrence D., Hefton, Kristopher K., Mayes, David, Tasiran, Ian (1997) Geology, zonation, and fluid evolution of the Big Gossan Cu-Au skarn deposit, Ertsberg District, Irian Jaya. Economic Geology, 92 (5) 509-534 doi:10.2113/gsecongeo.92.5.509 | Journal (article/letter/editorial) | | DAVID MAYES**, AND IAN TASIRAN P. T. Freeport Indonesia, Exploration Division,Sampoer•za Plaza89,4th Floor...R.Rasuna SaidX-7,No.6, Kuningan, Jakarta12940,Indonesia Abstract TheBigGossan Cu-Auskarndeposit isthehighest...isthehighest gradecopperdeposit in theworld-class Ertsberg district, IrianJaya.Currentreserves are37.4millionmetrictons(Mr)...containsnaultipleCu-Au Mineralization intheErtsberg district wasdiscovered in 1936 Jaeque DozynotedtheErtsberg...expedition to elinab ateOreZone)-DOZ(DeepOreZone),Grasberg, Dona,Big nearby-5,000-naPuneak Jaya(fornaerly |  | | Report (chapter) | | approximately the same time in different parts of a complex system of magmatic arcs such as those in SE Asia...type such as Lepanto (Mankayan district Philippines) (Fig. 1) and Waft (Papua New Guinea) there is a clear...ppm Au) by world standards with deposits such as Grasberg (Irian Jaya) and Panguna (Bougainville) containing...II (Baguio district Philippines), Far SE (Mankayan district Philippines), Ok Tedi (Papua New Guinea)...Guinea) and Batu Hijau (Indonesia) (Fig. 1) containing more than 200 tonnes of gold (Sillitoe 1997). Gold-rich |  | | Journal (article/letter/editorial) | | Teniente in Chile, Bingham in the USA, and Grasberg in Indonesia, the metals must have been derived from...similar structural analysis of the Ertsberg Mining District in Indonesia (west New Guinea). He discovered...Teknologi Bandung, Jl. Ganesa 10, Bandung 40132, Indonesia. ISSN 0020-6814 print/ISSN 1938-2839 online ©...supergiant Cu–Au Grasberg deposit (Sapiie and Cloos 2013). In both Chuquicamata and Grasberg, most geologists...al. 1998; McInnes et al. 1999). In the case of Grasberg, there are remarkable constraints on the timing |  | | Journal (article/letter/editorial) | | goldrich porphyry deposits, high hydrothermal magnetite contents, very young arcs in the tropical environment...Australia Panguna PNG OkTedi PNG Grasberg Indonesia Batu Hijau Indonesia Santo Tomas II Philippines Far...Age Coeval (Ma)* volcanics OreAbundant related magnetite alteration Quartz stockwork Litho- Associated...clearly Grasberg, Bingham and Panguna, all containing > 7001 of gold (Figure 3). However, Grasberg and Far...containing LARGEST CIRCUM-PACIFIC GOLD DEPOSITS Grasberg • 1.2- 1.0- 0.8I Far Southeast o • 0.6- Bingham |  | | Journal (article/letter/editorial) | | Significance of high temperature fluids and melts in the Grasberg porphyry copper'gold deposit Terrence P. Mernagh...Significance of high temperature fluids and melts in the Grasberg porphyry copper'gold deposit. Chemge (2018), doi:10...Significance of High temperature fluids and melts in the Grasberg porphyry copper-gold deposit. Terrence P. Mernagh*... RI A study of quartz-sulfide veins from the Grasberg Cu-Au deposit has shown that the quartz crystals...However, hypersaline (B2) inclusions had a very complex behaviour and exhibited partial homogenisation |  | | Journal (article/letter/editorial) | | DISTRIBUTION OF THE GIANT OK TEDI Cu-Au DEPOSIT, PAPUA NEW GUINEA Michiel Van Dongen,1,2,† Roberto F. Weinberg...Abstract The Ok Tedi porphyry Cu-Au deposit in Papua New Guinea is a world-class mineral deposit. In...geologically short time span of ~200 k.y. On the mine scale, heterogeneous metal grades (0–2.5% Cu) reflect...et al., 2005), including the world’s largest at Grasberg, Irian Jaya (Meinert et al., 1997), and Bingham...present a case study of the Ok Tedi Cu-Au deposit (Papua New Guinea) that highlights the relationships between |  | | Journal (article/letter/editorial) | | Three locations in the Trans-Pecos Magrnatic Province, Texas, U.S.A., demonstrate this hydrothermal...zirconolite, occur in skarn in the Ertsberg District of Irian Jaya, Indonesia. Unlike in Texas, related igneous...alkalic and F-rich igneous systems, mobility at Ertsberg may have been promoted by sulfate complexing....Trans-Pecos Texas, U.S.A., and the Ertsberg District, Irian Jaya, Indonesia, and from the literature. Then...therefore mobility of Zr. 2. Trans-Pecos Magmatic Province, Texas Magmatism in Trans-Pecos Texas occurred |  | Soloviev, Serguei G., Kryazhev, Sergey G., Dvurechenskaya, Svetlana S. (2013) Geology, mineralization, stable isotope geochemistry, and fluid inclusion characteristics of the Novogodnee–Monto oxidized Au–(Cu) skarn and porphyry deposit, Polar Ural, Russia. Mineralium Deposita, 48 (5) 603-627 doi:10.1007/s00126-012-0449-9 | Journal (article/letter/editorial) | | is situated in the large metallogenic belt of magnetite skarn and Cu–Au porphyry deposits formed along...intrusive suites. The deposit is represented by magnetite skarn overprinted by amphibole–chlorite–epidote–quartz–albite...129-B—Warshawskoe Chaussee, Moscow 113545, Russia Keywords Magnetite skarn . Gold . Copper . Cobalt . Porphyry . Fluid...Some of these systems incorporate significant magnetite skarns in addition to other oxidized calcsilicate...deposits ranging from magnetite skarns (with minor or no Cu and Au) through magnetite-rich Cu– Au skarns |  | | Book (edition) | | Belle Gold Mines in Kalgoorlie; PT North Mining Indonesia in Jakarta; TU Bergakademie in Freiberg; ETH in...thanked for his excellent drafting of the more complex maps displayed in the book. Dr. Annett Büttner.... . . . . . . . . . . . . . . . . . 4.1 Roman Province (Italy): Example from a Continental Arc Setting... . . 6.3.1 Ladolam Gold Deposit, Lihir Island, Papua New Guinea . . . . . . . . . . . . . . . . . 6.3...de La Alumbrera Copper-Gold Deposit, Catamarca Province, Argentina . . 6.4.2 Bingham Copper-Molybdenum |  | | Report (chapter) | | 1973); or (ii) slow monotonic cooling (or more complex Hydrothermal Ore Deposits 469 nonmonotonic...Oxide (magnetite, hematite, rutile) (U-Th)/He. Since Fanale and Kulp’s (1962) early work on magnetite, the...Mn-oxides has been primarily aimed at dating magnetite-hematite and base metal vein mineralization (Lippolt...suggest that the apatite has experienced a more complex history and has been held within the helium partial...of thermal history of an ore deposit or mineral district can be elucidated. It should be noted that one |
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