The Batu Hijau porphyry Cu Au deposit lies in southwest Sumbawa Island, Indonesia. It is a world-class porphyry Cu deposit in an island are setting, and is typical of this deposit type in most features, including igneous association, morphology, hydrothermal alteration and mineralisation style.
DOI: 10.5382/SP.09.15 Corpus ID: 134254988; The Geologic Setting of Intrusion-Related Hydrothermal Systems near the Batu Hijau Porphyry Copper-Gold Deposit, Sumbawa, Indonesia
1.. IntroductionPorphyry copper deposits contain up to 100 t of gold and are among the largest reservoirs of gold in the upper crust (Kerrich et al., 2000).They are commonly surrounded by deposits and country rock containing gold that is thought to have been derived from them (Jones, 1992).Gold can be removed from porphyry copper …
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The Batu Hijau copper/gold mine, operated by PT Newmont Nusa Tenggara, is located in the south-western part of Sumbawa Island, Indonesia, and is situated ~10 km from the south coast at an altitude of ~450 m above sea level. The mine became fully operational by year 2000 and processes approximately 120 000 t of ore per day that contain an …
J.T. Baldwin et al. Geology and grade distribution at the Panguna porphyry copper deposit, Bougainville, Papua New Guinea ... The geology of intrusion-related hydrothermal systems near the Batu Hijau porphyry copper–gold deposit, Sumbawa, Indonesia; F. Goff et al. Gold degassing and deposition at Galeras volcano, Colombia ...
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Batu Hijau copper-gold Mine is located in southwest Sumbawa Island, Province of West Nusa Tenggara, Indonesia. The geology of ore deposit is hosted by flows and pyroclastic which have been successfully intruded by diorite and tonalite porphyry stock and dykes (Ali 1997).
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Recoverable copper and gold estimates for resource models and ore control routing decisions at Batu Hijau were initially based on flotation testwork from several commercial laboratories. Due to the greater number of copper and gold assay grade available, regression relationships were developed between assay grades and flotation recoveries. …
Four stages of ore-related hydrothermal alteration (early, transitional, late and very late) are recognised at the Batu Hijau porphyry copper-gold deposit. The early central biotite (potassic) zone is …
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Our data suggest that porphyry copper-gold deposits with chalcopyrite-rich ores are more likely to have a higher proportion of free gold and may require different ore processing strategies.
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SIMS (ion probe) analyses of ore minerals from the gold-rich Batu Hijau, Kingking and Skouries porphyry copper deposits show that bornite contains about 1 ppm Au, whereas chalcopyrite contains about an order of magnitude less.
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The Geologic Setting of Intrusion-Related Hydrothermal Systems near the Batu Hijau Porphyry Copper-Gold Deposit, Sumbawa, Indonesia. Garwin, S. / Society of Economic Geologists et al. | 2002. print version 367 Ladolam Gold Deposit, Lihir Island, Papua New Guinea: Gold Mineralization Hosted by Alkaline Rocks ...
At Batu Hijau, hypogene chalcocite, digenite, bornite, and native gold compose part of early A-veinlets, and chalcopyrite ± bornite occur in transitional B-veins. Late pyritic D-veins contain chalcopyrite ± minor bornite.
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The Batu Hijau Mine in PT. Newmont Nusa Tenggara, Sumbawa Island, Indonesia, started in 2000 and will end in 2025. There were several slope failures on the West Wall Open Pit of Batu Hijau. In terms of the deposit type of ore, Batu Hijau Mine is typically porphyry Gold-Copper mineralized that associated by geological structures.
Bata Hijau is a major gold-rich porphyry copper deposit typical of the islands of southeast Asia. These gold-rich porphyries are overwhelmingly hosted by composite stocks of diorite to quartz-diorite and, to a much lesser degree, more felsic compositions such as tonalite and monzogranite.
The Batu Hijau copper-gold porphyry deposit is located in south western Sumbawa and was discovered in 1990 by Newmont Mining Corporation. Project construction commenced in 1996 and the plant commissioned in 1999. Throughput of the Batu Hijau crushing and grinding circuits is highly variable, ranging from
Fluid inclusions contained within quartz veins from the Batu Hijau Cu-Au porphyry deposit in Indonesia were analyzed to track the evolution of fluid temperature, pressure, and composition during the formation of the deposit to better understand the formation of this and other Cu-Au porphyry deposits in order aid future exploration. A …
The Batu Hijau copper/gold mine, operated by PT Newmont Nusa Tenggara, is located in the south-western part of Sumbawa Island, Indonesia, and is situated ~10 km from the south coast at an altitude of ~450 m above sea level.