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The Journal of Geology | Vol 104, No 3

Pliocene Cu-Au-Bearing Igneous Intrusions of the Gunung Bijih (Ertsberg) District, Irian Jaya, Indonesia: K-Ar Geochronology Fred W. McDowell, Timothy P. McMahon,

Great Deposits

2015-9-3 · The mountain spine of New Guinea formed in the Middle Miocene and is less than 12 Million years old. The deposit itself is 3 million years old. We know that porphyry copper deposits generally form at 3-4 kilometers (~2 miles) at depth, …

Mineralogy and geochemistry of the Ertsberg (Gunung …

Mineralogy and geochemistry of the Ertsberg (Gunung Bijih) and Erstberg East (Gunung Bijih Timur) skarns, Irian Jaya, Indonesia and the Ok Tedi skarns, Papua New Guinea [microform] Responsibility by George Katchan. Imprint 1982. Physical description 2 v. (498 p.) : ill., maps. Available online At the library ...

Grasberg Porphyry Copper-Gold Deposit, Papua, Indonesia ...

The Ertsberg (Gunung Bijih) Mining District is located in the core of the highlands of west New Guinea, an island long recognised as the product of a Cenozoic arccontinent collision. Geologic studies in the Central Ranges of the Papua Province of Indonesia (near Puncak Jaya, 4884 m) have revealed timing relationships, when combined with mechanical considerations, led to a …

DINAS PERTAMBANGAN DAN ENERGI PROVINSI ...

2011-3-16 · Produksi Freeport pada saat itu baru mencapai 8.000 ton bijih/hari, kemudian meningkat menjadi 18.000 ton bijih/hari. Selama tahun 1967 – 1988, Freeport menemukan sejumlah endapan tembaga dalam skala kecil seperti Gunung Bijih Timur, Intermediate Ore Zone (IOZ), Deep Ore zone (DOZ), DOM.

Southwest Pacific Rim Gold-Copper Systems

2018-6-20 · being lured to gold and copper deposits in the southwest Pacific-to Fiji, Indonesia, Japan, Papua New Guinea, New Zealand, the Philippines, and the old standby, Australia. Interest in the southwest Pacific hinges largely on new economic discoveries such as those of the Gunung Bijih (Ertsberg) district which was featured

Skarn Cu Au orebodies of the Gunung Bijih (Ertsberg ...

1994-3-1 · Unpubl. 1:2,000 scale compilation, Freeport Indonesia. H.J. Merti g et al. / Journal of Geochemical Exploration 50 (1994) 179-202 201 Katchan, G., 1982. Mineralogy and geochemistry of the Ertsberg (Gunung Bijih) and Ertsberg East (Gunung Bijih Timur ) skarns, Irian Jaya, Indonesia and the OK Tedi Skarns, Papua New Guinea.

Major Research Articles in Journals and Books

2012-2-10 · Papua, Indonesia (west New Guinea): International Geology Review, v. 49, p. 520-553. ... Gunung Bijih (Ertsberg) Mining Access (GBMA) Road, Timika-Tembagapura, Irian Jaya, Indonesian Petroleum Association Field Trip Guidebook, November 13-16, 1999. 25 pp. + …

Carstensz Pyramid

2021-12-8 · The history of conquering the summit of the Carstensz Pyramid is full obstacles and mistakes. They include the impassable jungle, the confrontation with primitive tribes that have cannibalistic tendencies, the absence of maps and …

Direct Associations Between Potassic Igneous Rocks and ...

2015-9-1 · Abstract. Examples of direct associations between potassic igneous rocks and copper-gold deposits described in this chapter are, in order of increasing age: the Quaternary Ladolam gold deposit, Lihir Island, Papua New Guinea; the Tertiary Emperor gold deposit, Viti Levu, Fiji; the Pliocene Grasberg copper-gold deposit, Irian Jaya, Indonesia; the Pliocene Misima gold …

Grasberg, Porphyry copper deposit

Comments. Exposed. In ore: 0.0007 g/t Pt, 0.003 g/t Pd; in concentrate: 0.015 g/t Pt, 0.058 g/t Pd. Freeport established in 2003 reserve of Deep MLZ target at the Grasberg cluster: 159 Mt at 0.87% Cu and 0.76 g/t Au. Study area name. Southeast Asia and Melanesia.

Kerajaan Alam Melayu

Kerajaan Alam Melayu. Alam Melayu merupakan kawasan yang merangkumi kepulauan dan tanah besar.Terdapat beberapa kerajaan yang masyhur seperti Funan, Champa, Srivijaya, Angkor, Majapahit, Kedah Tua dan Gangga Nagara. Kerajaan-kerajaan ini mempunyai persamaan dalam aspek geografi, bahasa dan budaya. Kerajaan-kerajaan ini telah …

Kinematic Analysis of Fault-Slip Data in the Central Range ...

DOI: 10.17014/ijog.3.1.1-16 Most of the Cenozoic tectonic evolution in New Guinea is a result of obliquely convergent motion that ledto an arc-continent collision between the Australian and Pacific Plates. The Gunung Bijih (Ertsberg) Mining District(GBMD) is located in the Central Range of Papua, in the western half of the island of New Guinea.

Ertsberg Complex, Gunung Bijih District (Grasberg District ...

DOZ Mine, Ertsberg Complex, Gunung Bijih District, Carstensz Mts, New Guinea, Papua Province, Western New Guinea, Indonesia. Latitude & Longitude (WGS84): 4° South, 137° East (est.) Estimate based on other nearby localities or region boundaries. Margin of Error: ~1km. Locality type: Complex. Age:

Stratigraphy, structural geology, and tectonics of a young ...

The southern Central Range of New Guinea is located on the northern Australian continental margin. The southern one-third of the Central Range, exposed along the Gunung Bijih mine access road, is a 30-km-wide, north-dipping homocline exposing an apparently 18-km-thick Precambrian or Early Paleozoic to Cenozoic sequence.

Pliocene Cu-Au-Bearing Igneous Intrusions of the …

mapping of 100 km2 in the Gunung Bijih (Erstberg) Cu-Au district in the highlands of Irian Jaya, Indonesia (west New Guinea). Fourteen biotite K-Ar ages range from 2.6 to 3.8 Ma, while another from a small isolated pluton is distinctly older at 4.4 Ma. These ages represent times of intrusion and crystallization, which followed regional

PorterGeo Database

The Gunung Bijih (or Ertsberg) mining district of West Papua (formerly Irian Jaya) contains a diverse group of large porphyry and skarn ore deposits. The district incorporates the super-giant Grasberg porphyry deposits associated with the 3.2 to 2.7 Ma Grasberg Igneous Complex, porphyry ores of the 4.4 to 3.0 Ma Ertsberg Diorite 2.5 km to the south, and a series of skarns …

Sumber mineral dan alam sekitar

2010-10-21 · Bijih (Ore) Mineral logam berkepekatan tinggi yang boleh dilombong secara ekonomi ... membolehkan usaha cari gali dan perlombongan mineral yang tersusun, cekap dan mesra alam ... Papua New Guinea October 21, 2010 40. dwzwy The Mines Wonderland (SEBELUM) October 21, 2010 41. dwzwy

[PDF] Kinematic Analysis of Fault-Slip Data in the Central ...

DOI: 10.17014/ijog.3.1.1-16 Most of the Cenozoic tectonic evolution in New Guinea is a result of obliquely convergent motion that ledto an arc-continent collision between the Australian and Pacific Plates. The Gunung Bijih (Ertsberg) Mining District(GBMD) is located in the Central Range of Papua, in the western half of the island of New Guinea.

Perlombongan | South East Asia

2021-12-12 · adalah rakan yang dipercayai untuk tenaga dan system penghantaran data untuk operasi terbuka-potong dan perlombongan bawah tanah. South East Asia Global Website Bahasa Melayu English ...

M & A Perlombongan Emas

Contoh-contoh sedemikian adalah syarikat Australia Newcrest Mining yang menguasai jiran Lihir Gold dan lombongnya yang besar di Papua New Guinea, dan gergasi Kinross Gold dari Kanada membuat pergerakan besar ke Afrika, memperoleh Red Back Mining.

Selected Publications

2017-9-18 · Formation, Aure fold and thrust belt, Papua New Guinea; December, 1993 Richard J. Weiland, Plio-Pleistocene unroofing of the Irian fold-and-thrust belt south of the Gunung Bijih (Ertsberg) mining district, Irian Jaya, Indonesia: Apatite fission-track thermochronology, May, 1993