 | 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) | | Porphyry-Type Mineralization at Selogiri Area, Wonogiri Regency, Central Java, Indonesia Akira Imai1, Jumpei Shinomiya1...Engineering, Gadjah Mada University, Yogyakarta, Indonesia and 3Department of Geology, Yangon University...Myanmar Abstract The Selogiri area, situated in Wonogiri regency, Central Java, is one of several gold...in Java, Indonesia. Three types of dioritic–andesitic intrusive rocks occur in the Selogiri area, namely...stockwork quartz veinlets and associated with magnetite and malachite coating along the cracks in the |  | | Journal (article/letter/editorial) | | Porphyry-type miner alization at Selogiri area, Wonogiri regency, central Java, Indonesia. Resource Geol., 57, 230-240...figs, 1 table, 2007. The Selogiri area, situated in Wonogiri regency, Central Java, is one of several gold...in Java, Indonesia. Three types of dioritic- andesitic intrusive rocks occur in the Selogiri area, namely...stockwork quartz veinlets and associated with magnetite and malachite coating along the cracks in the...hydrous magmatism in Java could have formed the porphyry- type mineralization in Selogiri, as in the rest |  | 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,† Rachel L. Harrison,2 David...Tower, SCBD, Jl. Jend Sudirman, Jakarta 12190, Indonesia 2 Joglo 3 Transforming 4 Centre Pete, Dusun...Pete, Majaksingi, Borobudur, Magelang, Central Java 56553, Indonesia the Mining Value Chain, An Australian...the world-class Cu-Au deposit at Tumpangpitu, East Java (1.9 Gt @ 0.45% Cu, 0.45 g/t Au), has reinforced...eastern segment of the eastern Sunda arc (eastern Java to Sumbawa), constructed on island-arc crust where |  | | Journal (article/letter/editorial) | | Hijau Porphyry Copper-gold Deposit, Sumbawa, Indonesia Akira Imai and Yuki Nagai Department of Earth...deposit in production in the Sunda-Banda arc, Indonesia. This study discusses the reason for the localization...associated with digenite and chalcocite. In addition, magnetite occurs in A veins. However, at the deep part of...deposit, there are quartz veins associated with magnetite, but few copper sulfides such as bornite and chalcopyrite...Quartz veins at depth in SBD257 have abundant magnetite and pyrite. Pyrite in quartz veins at depth in |  | | Journal (article/letter/editorial) | | Porphyries at the Batu Hijau Deposit, Sumbawa Island, Indonesia: Implications for Crystallization Conditions and...Engineering, Gadjah Mada University, Yogyakarta, Indonesia and 2Institute of Mineralogy and Economic Geology...Batu Hijau porphyry deposit, Sumbawa Island, Indonesia, is closely related to the emplacement of multiple...plagioclase, hornblende, quartz, biotite and magnetite ± ilmenite, which are set in a medium-coarse grained... including plagioclase, hornblende, biotite, magnetite and ilmenite in the tonalite porphyries was systematically |  | | Journal (article/letter/editorial) | | Hijau Porphyry Copper Deposit, Sumbawa Island, Indonesia Arifudin Idrus,1,2 Jochen Kolb2 and F. Michael...Engineering, Gadjah Mada University, Yogyakarta, Indonesia and 2Institute of Mineralogy and Economic Geology...porphyry copper-gold deposit, Sumbawa Island, Indonesia. The hydrothermal alteration and mineralisation...stages, namely (i) the early stage consisting of a central copper-gold-bearing biotite (potassic), proximal...alteration zones. Keywords: Batu Hijau porphyry Cu-Au, Indonesia, lithogeochemistry, mass balance, mineralogy. |  | Takahashi, Ryohei, Shingo, Yuki, Imai, Akira, Watanabe, Koichiro, Harijoko, Agung, Warmada, I Wayan, Idrus, Arifudin, Setijadji, Lucas Donny, Phoumephone, Phouvang, Scherstén, Anders, Page, Laurence (2014) Epithermal Gold Mineralization in the Trenggalek District, East Java, Indonesia. Resource Geology, 64 (2) 149-166 doi:10.1111/rge.12034 | Journal (article/letter/editorial) | | Mineralization in the Trenggalek District, East Java, Indonesia Ryohei Takahashi,1* Yuki Shingo,1 Akira Imai...Engineering, Gadjah Mada University, Yogyakarta, Indonesia and 3Department of Geology, Lund University, Lund...district of the Southern Mountains Range in East Java, Indonesia, are hosted by Oligo-Miocene volcaniclastic... bulk analysis, East Java, epithermal gold deposit, fluid inclusion, Indonesia, sulfidation state, Trenggalek...well documented in the western part of Java, Republic of Indonesia, i.e., the Pongkor, Cikotok, Cikidang |  | Sun, Wei-dong, Liang, Hua-ying, Ling, Ming-xing, Zhan, Mei-zhen, Ding, Xing, Zhang, Hong, Yang, Xiao-yong, Li, Yi-liang, Ireland, Trevor R., Wei, Qi-rong, Fan, Wei-ming (2013) The link between reduced porphyry copper deposits and oxidized magmas. Geochimica et Cosmochimica Acta, 103. 263-275 doi:10.1016/j.gca.2012.10.054 | Journal (article/letter/editorial) | | intrusive rocks. Here we show that hematite– magnetite intergrowths are commonly found in porphyry copper...controlled by sulfate reduction, which starts with magnetite crystallization, accompanied by decreasing pH...pH sufficiently and the fO2 reaches the hematite–magnetite oxygen fugacity buffer, which in turn increases...of ferrous iron during the crystallization of magnetite and hematite is the causal process of sulfate...copper mineralization are defined by the hematite–magnetite oxygen fugacity buffer and SO42–HS–S3 reaction |  | | Journal (article/letter/editorial) | | Cenozoic Island Arc Magmatism in Java Island (Sunda Arc, Indonesia): Clues on Relationships between Geodynamics...Yogyakarta 55281, Indonesia Received on April 3, 2006; accepted on June 30, 2006 Abstract: Java island, regarded...detachment, and backarc magmatism took place in central Java. The source of arc magmas is mainly partial...presence of hot slab subducted beneath the eastern Java determine the occurrences of adakitic magmas. Backarc...subduction-related materials. The domination of magnetite-series magmatism determines the sulfide mineralization |  | Mercier-Langevin, P., Daigneault, R., Goutier, J., Dion, C., Archer, P. (2012) Geology of the Archean Intrusion-Hosted La-Grande-Sud Au-Cu Prospect, La Grande Subprovince, James Bay Region, Quebec(,. Economic Geology, 107 (5) 935-962 doi:10.2113/econgeo.107.5.935 | Journal (article/letter/editorial) | | major sources of Au; for example, the Superior province of Canada and the Yilgarn craton of Australia... including Hollinger-McIntyre in the Superior province (Mason and Melnik, 1986; Burrows et al., 1993;...have resulted in rejuvinated exploration of the area. Significant Au prospects were discovered in the...Robert et al., 2005), mineralization in the James Bay area is likely to have been formed at different stages...Grande subprovince of the Superior province (Fig. 1). The Superior province hosts the bulk of the major Au |  | | Book (edition) | | BIBLIOGRAPHY OF THE GEOLOGY OF INDONESIA AND SURROUNDING ARE AS Edition 7.1 – 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............................................................... 560 III. JAVA, MADURA, JAVA SEA ........................................................................... 576 III.1. Java - General, Onshore geology, Forearc............ |
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