GMRAP ID | 579 |
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Tract name | Gangdese (142pCu8712) |
Site status | deposit |
Country | China |
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State or province | Xizang |
Geographic location | 91.59382, 29.625132 |
Geologic map unit | 91.59382, 29.625132 |
Nearby data |
Deposit type | Porphyry copper |
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Deposit subtype | Cu-Mo |
Age (Ma) | 16.41Ma |
Age determination method | Re-Os molybdenite |
Age range | 16.41 ±0.48 Ma (Re-Os molybdenite); 17.58 ±0.74 Ma (U-Pb zircon SHRIMP); 16.43 ±0.31 Ma (K-Ar); 15.99 ±0.32 Ma (Re-Os molybdenite) |
Age reference | Meng and others (2003a); Rui and others (2003) |
Minerals | anhydrite, biotite, bornite, chalcopyrite, chlorite, kaolinite, magnetite, molybdenite, molybdite, pyrite, sericite, sphalerite |
Associated rocks | granite (adamellite) porphyry, diabase porphyry, diorite porphyry, monzogranite, limestone, sandstone, tuff |
Tectonic setting | postconvergence |
Stratigraphic age | Miocene |
Development status | Prospect |
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Major commodities | Cu, Mo, Ag |
Tonnage (Mt) | 1,778Mt |
Cu grade (%) | 0.45% |
Mo grade (%) | 0.045% |
Ag grade (g/t) | 3.9g/t |
Contained copper | 8,000,000t |
Gold-Moly ratio | -9999 |
Comments | Tibet. Gangdese porphyry copper belt. Exposed. Cross-sections imply much larger resource. Being prepared for production. Inexplicably, no information on Au grade. Resource may be more than 10 Mt Cu. Development. |
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Study area name | Tibetan Plateau |
References | Yang and others (2009); Gao and others (2003); Li, Liu and others (2005); Qu and others (2007); Rui and others (2003); Zheng, Duo, Cheng and others (2007); Singer and others (2008); Hou and Cook (2009); Meng and others (2003a) |
Site reference | Ludington, Hammarstrom, and others (2012) |