GMRAP ID | 553 |
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Alternate names | Bougainville |
Tract name | Outer Melanesian Arc I - Papua New Guinea (009pCu7207) |
Site status | deposit |
Country | Papua New Guinea |
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State or province | North Solomons |
Geographic location | 155.493, -6.318 |
Geologic map unit | 155.493, -6.318 |
Nearby data |
Deposit type | Porphyry copper |
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Deposit subtype | Cu-Au |
Age (Ma) | 3.4Ma |
Age determination method | K-Ar |
Age range | 3.4 ±0.3 Ma |
Age reference | Singer and others (2008); Page and McDougall (1972) |
Minerals | actinolite, anhydrite/gypsum, apatite, biotite, bornite, chalcocite, chalcopyrite, chlorite, covellite, epidote, galena, gold, hematite/specularite, kaolinite, magnetite, molybdenite, pyrite, rutile, sericite, sphalerite, stannite, tetrahedrite/tennantite, zeolite |
Associated rocks | breccia, diorite, feldspar porphyry, granodiorite, basalt, dacite, limestone, andesite, quartz diorite |
Tectonic setting | island arc |
Stratigraphic age | Pliocene |
Development status | Past Producer |
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Major commodities | Cu |
Minor commodities | Pt, Pd |
Tonnage (Mt) | 1,420Mt |
Cu grade (%) | 0.465% |
Mo grade (%) | 0.005% |
Au grade (g/t) | 0.57g/t |
Ag grade (g/t) | 1.1g/t |
Contained copper | 6,600,000t |
Gold-Moly ratio | 100 |
Comments | In concentrate: up to 8 ppb Pt, 40 to 52 ppb Pd. |
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Study area name | Southeast Asia and Melanesia |
References | Andrew (1995); Baldwin and others (1978); Clark (1987); Clark (1990); Eastoe (1978); Ford (1978); Fountain (1972); Mining Journal (2009); Page and McDougall (1972); Tarkian and Stribrny (1999); Singer and others (2008) |
Site reference | Hammarstrom and others (2013) |