GMRAP ID | 379 |
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Tract name | Transylvania-Balkan Mountains (150pCu6001) |
Site status | deposit |
Country | Bulgaria |
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State or province | Yambol |
Geographic location | 26.262883, 42.378348 |
Geologic map unit | 26.262883, 42.378348 |
Nearby data |
Deposit type | Porphyry copper |
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Age (Ma) | 81Ma |
Age determination method | unknown |
Age range | 81 Ma |
Age reference | Singer and others (2008) |
Minerals | anhydrite/gypsum, biotite, bornite, carbonate, chalcopyrite, chlorite, cobaltite, epidote, fluorite, galena, garnet, kaolinite, hematite/specularite, magnetite, molybdenite, sericite, pyrite, pyroxene, pyrrhotite, sphalerite, tennantite, zeolite |
Associated rocks | diorite, diorite porphyry, hornfels, skarn, andesite, agglomerate, diabase, granite, phyllite, conglomerate, granodiorite, limestone, marble, quartz diorite, quartz monzonite, quartz syenodiorite, rhyolite tuff, sandstone, shale |
Tectonic setting | continental margin |
Stratigraphic age | Late Cretaceous |
Development status | Producer |
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Major commodities | Cu |
Tonnage (Mt) | 249Mt |
Cu grade (%) | 0.25% |
Mo grade (%) | 0.005% |
Contained copper | 620,000t |
Gold-Moly ratio | -9999 |
Comments | In concentrate: 26 to 200 ppb Au (Pt and Pd). Resources are 11 Mt at 0.22% Cu. Surface workings footprint about 1 square km. |
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Study area name | Europe |
References | Bogdanov (1983); Bogdanov (1986); Eliopoulos and others (1995); Tarkian and Stribrny (1999); Lips and others (2006); Nakov and others (2002); Singer and others (2008) |
Site reference | Sutphin and others (2013) |