 | | Journal (article/letter/editorial) | | Tonalite Porphyries at the Batu Hijau Deposit, Sumbawa Island, Indonesia: Implications for Crystallization...Engineering, Gadjah Mada University, Yogyakarta, Indonesia and 2Institute of Mineralogy and Economic Geology...mineralization at the world-class Batu Hijau porphyry deposit, Sumbawa Island, Indonesia, is closely related to...phenocrysts of plagioclase, hornblende, quartz, biotite and magnetite ± ilmenite, which are set in a medium-coarse...rock-forming minerals, including plagioclase, hornblende, biotite, magnetite and ilmenite in the tonalite porphyries |  | | Journal (article/letter/editorial) | | with the Gold-rich Batu Hijau Porphyry Copper Deposit, Sumbawa Island, Indonesia Arifudin Idrus,1,2 Jochen...Engineering, Gadjah Mada University, Yogyakarta, Indonesia and 2Institute of Mineralogy and Economic Geology...zones within the Batu Hijau porphyry copper-gold deposit, Sumbawa Island, Indonesia. The hydrothermal...stage consisting of a central copper-gold-bearing biotite (potassic), proximal actinolite (inner propylitic)...consequence of the breakdown of Ca-bearing hornblende, biotite and plagioclase. Chemical discrimination by means |  | Idrus, Arifudin, Kolb, Jochen, Meyer, F.Michael, Arif, Johan, Setyandhaka, Dudy, Kepli, Syamsul (2009) A Preliminary Study on Skarn-Related Calc-silicate Rocks Associated with the Batu Hijau Porphyry Copper-Gold Deposit, Sumbawa Island, Indonesia. Resource Geology, 59 (3) 295-306 doi:10.1111/j.1751-3928.2009.00097.x | Journal (article/letter/editorial) | | Associated with the Batu Hijau Porphyry Copper-Gold Deposit, Sumbawa Island, Indonesia Arifudin Idrus,1...Engineering, Gadjah Mada University, Yogyakarta, Indonesia, 2Institute of Mineralogy and Economic Geology...Department, PT Newmont Nusa Tenggara, Batu Hijau project, Sumbawa, Indonesia Abstract Batu Hijau is a world-class...porphyry copper deposit, situated in Sumbawa Island, Indonesia. Deep drilling indicates that several...calcic-exoskarn surrounding the Batu Hijau porphyry copper-gold deposit. Keywords: Batu Hijau porphyry Cu-Au deposit |  | | Journal (article/letter/editorial) | | Inclusion Study of the Batu Hijau Porphyry Cu-Au Deposit, Sumbawa, Indonesia Akira IMAI1 and Satoshi... 2005 Abstract: The Batu Hijau porphyry Cu-Au deposit, Sumbawa Island, Indonesia, is associated with...temperature-pressure condition of mineralization at the Batu Hijau deposit is discussed on the basis of fluid inclusion...pressure during the hydrothermal activity at the Batu Hijau deposit are estimated to have been around 300°C...for the chalcopyrite-free assemblage. Keywords: Batu Hijau, porphyry Cu-Au deposit, fluid inclusion, hypersaline |  | | Journal (article/letter/editorial) | | Ă T. Baker Gold paragenesis and chemistry at Batu Hijau, Indoneisa: implications for gold-rich porphyry...world-class Batu Hijau (914 mt @ 0.53% Cu, 0.40 g/t Au) porphyry copperâgold deposit, Indonesia. Unlike many...(borniteâdigeniteâchalcocite) are well preserved at Batu Hijau and the chalcopyriteâpyrite overprint is less...J. Arif Mine Geology Department, Batu Hijau Mine, PT Newmont Nusa Tenggara, NTB Nusa Tenggara, Lombok...Lombok, Indonesia vations also indicate a higher proportion of free gold (native gold not attached to any |  | Maryono, Adi, Harrison, Rachel L., Cooke, David R., Rompo, Iryanto, Hoschke, Terence G. (2018) Tectonics and Geology of Porphyry Cu-Au Deposits along the Eastern Sunda Magmatic Arc, Indonesia. Economic Geology, 113 (1) 7-38 doi:10.5382/econgeo.2018.4542 | Journal (article/letter/editorial) | | Deposits along the Eastern Sunda Magmatic Arc, Indonesia* Adi Maryono,1,4,â Rachel L. Harrison,2 David...Tower, SCBD, Jl. Jend Sudirman, Jakarta 12190, Indonesia 2 Joglo 3 Transforming 4 Centre Pete, Dusun...Majaksingi, Borobudur, Magelang, Central Java 56553, Indonesia the Mining Value Chain, An Australian Research...hosts three premier porphyry Cu-Au deposits at Batu Hijau, Elang, and Tumpangpitu (>300 t Au and >5 Mt...eastern Sunda arc (eastern Java to Sumbawa), constructed on island-arc crust where the Roo Rise is being |  | | Journal (article/letter/editorial) | | Iron-isotope systematics from the Batu Hijau Cu-Au deposit, Sumbawa, Indonesia Christine M. Wawryk, John D...Iron-isotope systematics from the Batu Hijau Cu-Au deposit, Sumbawa, Indonesia, Chemical Geology (2017), doi:...IRON-ISOTOPE SYSTEMATICS FROM THE BATU HIJAU CU-AU DEPOSIT, SUMBAWA, INDONESIA Christine M. Wawryk*,a, John...minerals from the Batu Hijau porphyry PT E copper-gold deposit in Sumbawa, Indonesia. Isotopic analysis...demonstrate that the isotopic evolution of the Batu Hijau melts was controlled by crystal fractionation |  | | Journal (article/letter/editorial) | | from the Neogene Batu Hijau district in the Sunda Arc, South Western Sumbawa, Indonesia Marco L. Fiorentini...magmas of the Sunda arc in the Batu Hijau district, Sumbawa, Indonesia. The low-K calc-alkaline magmatic...process. We put forward the hypothesis that in the Batu Hijau district an arc-transverse fault system facilitated...process that the tonalite plutons underwent in the Batu Hijau district may have been crucial to the genesis...mineralization and the development of the Pliocene Batu Hijau deposit. Consequently, we argue that deep structures |  | Imai, Akira, Shinomiya, Jumpei, Soe, Maung Thiha, Setijadji, Lucas Donny, Watanabe, Koichiro, Warmada, I Wayan (2007) Porphyry-Type Mineralization at Selogiri Area, Wonogiri Regency, Central Java, Indonesia. Resource Geology, 57 (2) 230-240 doi:10.1111/j.1751-3928.2007.00019.x | Journal (article/letter/editorial) | | Mineralization at Selogiri Area, Wonogiri Regency, Central Java, Indonesia Akira Imai1, Jumpei Shinomiya1, Maung...Engineering, Gadjah Mada University, Yogyakarta, Indonesia and 3Department of Geology, Yangon University...Abstract The Selogiri area, situated in Wonogiri regency, Central Java, is one of several gold prospecting...in the Southern areas Mountain Range in Java, Indonesia. Three types of dioriticâandesitic intrusive rocks...the SundaâBanda arc. Keywords: fluid inclusion, Indonesia, Java, metallogeny, porphyry copper deposit, stockwork |  | Imai, Akira, Dimalanta, Carla B., Idrus, Arifudin, Warmada, I. Wayan, Harijoko, Agung (2009) Themetic Issue: Collection of Achievements on Earth Resources from AUN/SEED-Net, Part III. Resource Geology, 59 (3) 213-214 doi:10.1111/j.1751-3928.2009.00091.x | Journal (article/letter/editorial) | | Engineering, Gadjah Mada University, Yogyakarta, Indonesia Keywords: ASEAN, earth resources, engineering...hydrothermal system at the Batu Hijau porphyry copper-gold deposit in Sumbawa, Indonesia Received 8 March 2009...Sediment hosted primary tin deposit associated with biotite granite and fault zone at Gunung Paku, Klian Intan...the Lascogon project, Surigao del Norte, Mindanao island, Philippines. Resour. Geol., 57, 241â247. Harijoko...low-sulïŹdation-type epithermal gold deposit in western Java, Indonesia. Resour. Geol., 57, 114â123. Idrus, A., Kolb, |  | | Report (chapter) | | Garwin Geoinformatics Exploration, 57 Havelock St. West Perth, WA, 6005, Australia Centre for Exploration...NEf008-05 hornblende 40Ar/39Ar molybdenite Re-Os biotite K-Ar zircon fission track rutile (U-Th)/He zircon/titanite...samples from porphyry deposits in Iran, Chile and Indonesia in order to investigate their genesis, exhumation...on hydrothermal illite in dykes and on magmatic biotite in syn-mineral dikes establish that the Carlin-type...hornblende 40Ar/39Ar, roscoelite 40Ar/39Ar and biotite K-Ar methods to constrain the timing of mineralization |  | Hu, Peng, Cao, Liang, Zhang, Haikun, Yang, Qidi, Armin, Tampubolon, Cheng, Xiang (2019) Late Miocene adakites associated with the Tangse porphyry Cu-Mo deposit within the Sunda arc, north Sumatra, Indonesia. Ore Geology Reviews, 111. 102983 doi:10.1016/j.oregeorev.2019.102983 | Journal (article/letter/editorial) | | deposit within the Sunda arc, north Sumatra, Indonesia Peng Hu, Liang Cao, Haikun Zhang, Qidi Yang, Tampubolon...deposit within the Sunda arc, north Sumatra, Indonesia, Ore Geology Reviews (2019), doi: https://doi...deposit within the Sunda arc, north Sumatra, Indonesia Peng Hua, Liang Caoa, Haikun Zhanga, Qidi Yanga...Resources, Geological Survey of Indonesia, Bandung 40254, Indonesia Abstract: Porphyry deposits are...-Au) deposits. The Sunda arc is one of the recent island arcs in the world. The quartz diorite porphyry |  | Burrows, David R., Rennison, Michael, Burt, David, Davies, Rod (2020) The Onto Cu-Au Discovery, Eastern Sumbawa, Indonesia: A Large, Middle Pleistocene Lithocap-Hosted High-Sulfidation Covellite-Pyrite Porphyry Deposit. Economic Geology, 115 (7). 1385-1412 doi:10.5382/econgeo.4766 | Journal (article/letter/editorial) | | 1385â1412 The Onto Cu-Au Discovery, Eastern Sumbawa, Indonesia: A Large, Middle Pleistocene Lithocap-Hosted...Davies2 1 Vale 2 Global Exploration, Highway 17 West, Copper Cliff, Ontario, Canada P0M 1N0 Cobre Nuevo...lithocap within the Huâu project on eastern Sumbawa Island, Indonesia. A very large and blind copper-gold deposit...at Onto within the Huâu project in Eastern Sumbawa, Indonesia, in which disseminated and vein mineralization...the eastern portion of Sumbawa Island in West Nusa Tenggara province, Indonesia, within the Huâu 7th generation |  | | Journal (article/letter/editorial) | | northwest, through the Philippines, Indonesia, New Guinea, and the volcanic island chains of the Solomon Islands...to commencing production (e.g., Tumpangpitu, Indonesia), increasing the known Au endowment of the southwest...part of the Gosowong Goldfield on Halmahera Island, Indonesia (Clark and Gemmell, 2018) shows that it is...(Braxton et al., 2018). Exploration activities in Indonesia over the past century have led to the discovery...deposits, including the Grasberg-Ertsberg and Batu Hijau Cu-Au deposits and the Gosowong-Kencana, Gunung |  | Harrison, Rachel L., Maryono, Adi, Norris, Malcolm S., Rohrlach, Bruce D., Cooke, David R., Thompson, Jay M., Creaser, Robert A., Thiede, David S. (2018) Geochronology of the Tumpangpitu Porphyry Au-Cu-Mo and High-Sulfidation Epithermal Au-Ag-Cu Deposit: Evidence for Pre- and Postmineralization Diatremes in the Tujuh Bukit District, Southeast Java, Indonesia. Economic Geology, 113 (1) 163-192 doi:10.5382/econgeo.2018.4547 | Journal (article/letter/editorial) | | in the Tujuh Bukit District, Southeast Java, Indonesia* Rachel L. Harrison,1,2,3,4,5,â Adi Maryono,1...Majaksingi, Borobudur, Magelang, Central Java 56553, Indonesia J Resources Nusantara, Equity Tower, SCBD, Jl...Jl. Jend Sudirman, Jakarta 12190, Indonesia 3 Sunstone 4 Transforming 5 Centre Metals Ltd., Gardner...in the Tujuh Bukit district, southeast Java, Indonesia. The porphyry resource contains 1.9 billion tonnes...porphyry deposits in the Sunda-Banda magmatic arc of Indonesia (Fig. 1). The deposit is located just outside |  | | Journal (article/letter/editorial) | | related to the westward- dipping subduction of the West Philippine Basin. After a quiescence period during...the Lascogon project, Surigao del Norte, Mindanao island, Philippines. Resource Geol., 57, 241-247, 8 figs...Gold Philippines, in Surigao del Norte, Mindanao Island, Philippines. The jasperoid ore is the host to...from the Pongkor epithermal gold-silver deposit, West Java, Indo nesia. Resource Geol., 57, 124-135,...sulfidation epithermal precious metal deposit in Indonesia, and is of Pliocene age. The deposit consists |  | | Report (issue) | | Bajo de la Alumbrera in Argentina, Grasberg in Indonesia, and Bingham in the United States. ââ 3 Regional...along convergent plate-margin boundaries or in island-arc environments. The deposits are associated with...such as at the well-studied Grasberg deposit, Indonesia (for example, Sapiie and Cloos, 2004). 4ââ ...mineralization is from approximately 0.8â1.1 km (West and Aiken, 1982). At Bingham, Utah, the greatest...core. In some deposits, for example Grasberg, Indonesia, the low-grade core is a late-stage intrusion |  | | Journal (article/letter/editorial) | | the circumâPacific region R. H. Sillitoe a a 27 West Hill Park, Highgate Village, London, N6 6ND, England...[Dalhousie University] at 09:20 23 December 2012 27 West Hill Park, Highgate Village, London N6 6ND, England...Australia Panguna PNG OkTedi PNG Grasberg Indonesia Batu Hijau Indonesia Santo Tomas II Philippines Far Southeast...setting: BA, back-arc; Cont, continental margin; IA, island arc. Regional structural control: Lin, lineament...Southeast o âą 0.6- Bingham âą Panguna âą Ok Ted! Batu Hljau âą âą Ba)o de la Alumbrera âą Santo Tomas |  | | Journal (article/letter/editorial) | | SILLITOE,1,â AND JAMES K. MORTENSEN2 127 2Department West Hill Park, Highgate Village, London N6 6ND, England...are made up of abundant plagioclase, quartz, and biotite, plus scattered K-feldspar and hornblende, all...all surrounded by aplitic groundmass. Potassic (biotite-K-feldspar) and sericitic (quartz-sericite) alteration..., 2002), and only 0.09 ± 0.16 m.y. at Batu Hijau in Indonesia (Garwin, 2002). Together, these geochronologic...methods) 40 Ar/ 39Ar alteration minerals Grasberg Batu Hijau Elatsite La Caridad Antapaccay Quellaveco (this |  | Imai, Akira, Ohbuchi, Yukiko, Tanaka, Takayuki, Morita, Seiya, Yasunaga, Kentaro (2007) Characteristics of Porphyry Cu Mineralization at Waisoi (Namosi District), Viti Levu, Fiji. Resource Geology, 57 (4) 374-385 doi:10.1111/j.1751-3928.2007.00031.x | Journal (article/letter/editorial) | | Waisoi West deposit. In the Waisoi East deposit, quartz porphyry is exposed and in the Waisoi West deposit... The high-grade Cu mineralization in the Waisoi West deposit is characterized by the borniteâchalcopyriteâpyrite...flakes in quartz veinlets in the center of the Waisoi West deposit homogenize at temperatures ranging from...around 210°C. Both in the Waisoi East and Waisoi West deposits, primary borniteâchalcopyriteâpyrite assemblage...the eastward subduction at the Vanuatu Arc in the west (Rodda & Kroenke, 1984; Anderson & Eaton, 1990; |  | | Journal (article/letter/editorial) | | association at Bajo de la Alumbrera, Catamarca Province, Argentina: a reply D. M uller1 and P. Forrestal2...Goonumbla) and are depleted in hydrous phases such as biotite and/or amphibole thus resulting in depleted K2O...Although there are exceptions such as Batu Hijau on Sumbawa Island, Indonesia, where porphyry Cu-Au mineralization...association at Bajo de la Alumbrera, Catamarca Province, Argentina by MuĂller D and Forrestal P: a discussion...association at Bajo de la Alumbrera, Catamarca Province, Argentina. Mineral Petrol 64: 47±64 M uller |  | | Journal (article/letter/editorial) | | StructuralSalient Salient E Basin and Range Structural Province Ba CG Lowland Ck Volc W H 107° t Uplif...Cretaceous Mineral Districts Fig. 1. Geologic map of west-central Montana, modified from the geologic map...southwestern Montana in the Basin and Range structural province where normal and a few detachment faults of Cenozoic...Paleocurrent indicator DH-8 Deep drill hole Productive mine shaft Main Stage veins Fig. 3. Geologic map of...stage veins and quartz porphyry dikes.Productive mine shaft abbreviations: A = Anaconda, An = Anselmo |  | | Journal (article/letter/editorial) | | many orebodies, such as the Batu Hijau porphyry CuâAu deposit in Indonesia (Garwin 2002), the San Rafael...quartzâtourmaline vein (leftcenter), Geevor tin mine, Cornwall, England. (B) Finegrained tourmaline intergrown...with zoned cassiterite and quartz, South Crofty tin mine, Cornwall. Abbreviations: Cst, cassiterite; Qtz...gold-bearing quartzâtourmaline extension vein, Sigma gold mine, QuĂ©bec (scale is in centimeters). (B) Gold grains...with tourmaline (black) in quartz gangue, Sigma mine. Abbreviations: Au, gold; Qtz, quartz; Tur, tourmaline |  | Suerte, Leilanie O., Nishihara, Sho, Imai, Akira, Watanabe, Koichiro, Yumul, Graciano P., Maglambayan, Victor B. (2007) Occurrences of Ore Minerals and Fluid Inclusion Study on the Kingking Porphyry Copper?Gold Deposit, Eastern Mindanao, Philippines. Resource Geology, 57 (2) 219-229 doi:10.1111/j.1751-3928.2007.00018.x | Journal (article/letter/editorial) | | potassic zone and the outer propylitic zone. The biotite-bearing diorite and hornblende diorite porphyries...are associated with volcanic rock xenoliths in biotite-bearing diorite porphyry are noted in a drill hole...(Fig. 1). It is part of the Eastern Mindanao Gold Province, specifically the Agusanâ Davao Gold District...Tectonic setting and regional geology The Philippine island arc is made up of an assortment of allochthonous...archipelago. Mindanao Island lies in the southernmost part of the Philippine island arc. Two major fault |  | Li, Jin-Xiang, Qin, Ke-Zhang, Li, Guang-Ming, Evans, Noreen J., Huang, Fang, Zhao, Jun-Xing (2018) Iron isotope fractionation during magmatic-hydrothermal evolution: A case study from the Duolong porphyry Cu-Au deposit, Tibet. Geochimica et Cosmochimica Acta, 238. 1-15 doi:10.1016/j.gca.2018.07.008 | Journal (article/letter/editorial) | | and Hunt, 1975). Secondary biotite replaces hornblende and primary biotite while magnetite, quartzâK-feldspar±magnetite...quartzâK-feldspar±magnetite, quartzâbiotiteâchalcopyrite, and biotite veinlets (EB-type, Gustafson and Quiroga...vitation of plagioclase and chloritization of biotite (Li et al., 2012b). Quartzâchalcopyrite±pyrite...replaces biotite phenocrysts along rims, cleavage and in cores, while the pseudomorphs of biotite are occasionally...K-feldspar (10-15 vol.%), amphibole (8-10 vol.%), biotite (2-5 vol.%) and accessory minerals (<1 vol.%) including |
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