GMRAP ID | 458 |
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Tract name | Yulong (142pCu8710) |
Site status | deposit |
Country | China |
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State or province | Xizang |
Geographic location | 97.730262, 31.409551 |
Geologic map unit | 97.730262, 31.409551 |
Nearby data |
Deposit type | Porphyry copper |
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Age (Ma) | 40Ma |
Age determination method | Re-Os molybdenite |
Age range | 40.1 ±1.8 Ma (Re-Os molybdenite); 40.9±0.1 Ma (U-Pb zircon SHRIMP); 41.2 ±0.2 Ma (U-Th-Pb zircon LA-ICP-MS) |
Age reference | Hou and others (2006); Liang and others (2005); Liang and others (2006); Wang, Tang and others (2009) |
Minerals | actinolite, albite, allophane, alunite, azurite/malachite, biotite, bismuthinite, bornite, carbonate, cerussite, chalcocite/digenite, chalcopyrite, chlorite, copper, covellite, cubanite, cuprite, delafossite, epidote, fluorite, galena, garnet, gold, halloysite, hematite, kaolinite/dickite/illite, limonite, jarosite, magnetite, malachite, molybdenite, montmorillonite, pyrite, pyrrhotite, scheelite, sericite, silver, smithsonite, sphalerite, tenorite, tennantite, tourmaline |
Associated rocks | hornfels, monzogranite, monzogranite porphyry, quartz monzonite porphyry, skarn, slate, dolomitic mudstone, limestone, marble, mudstone, sandstone |
Tectonic setting | postconvergence |
Stratigraphic age | Eocene |
Development status | Producer |
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Major commodities | Cu, Mo, Au |
Tonnage (Mt) | 850Mt |
Cu grade (%) | 0.84% |
Mo grade (%) | 0.022% |
Au grade (g/t) | 0.35g/t |
Contained copper | 7,100,000t |
Gold-Moly ratio | 16 |
Comments | Tibet. Yulong porphyry copper belt. Discovered in 1966; production began in 2010. Resource may be as high as 10 Mt Cu. Mining. |
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Study area name | Tibetan Plateau |
References | Chen and others (2009); Anonymous (2001a); Fan (1984); Fan (1986); Ge and others (1990); Gu and others (2003); Hou, Ma and others (2003); Hou and others (2006); Hou, Xie and others (2007); Hou, Zaw and others (2007); Liang and others (2006); Metal Mining Agency of Japan (1998); Tang and Luo (1995); Wang (1996); Zhang and others (1993); Zhang and Rui (1992); Zhou (1985); Singer and others (2008); Liang and others (2005); Wang, Tang and others (2009) |
Site reference | Ludington, Hammarstrom, and others (2012) |