GMRAP ID | 463 |
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Tract name | Dali (142pCu8711) |
Site status | deposit |
Country | China |
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State or province | Yunnan |
Geographic location | 100.437563, 25.521071 |
Geologic map unit | 100.437563, 25.521071 |
Nearby data |
Deposit type | Porphyry copper |
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Age (Ma) | 35.8Ma |
Age determination method | Re-Os molybdenite |
Age range | 35.8 ±1.6 Ma; 33.9 ±1.1 Ma |
Age reference | Hou and others (2006); Zeng and others (2006); Xing and others (2009); Wang and others (2005) |
Minerals | actinolite, arsenopyrite, biotite, bismuthinite, bornite, chalcocite, chalcopyrite, chlorite, electrum, epidote, galena, gold, garnet, kaolinite, magnetite, matildite, molybdenite, muscovite/sericite, pyrite, pyrrhotite, sphalerite, sphene, tremolite |
Associated rocks | granite porphyry, monzonite porphyry, lamprophyre, skarn, gabbrodiabase, limestone, sandstone, shale, siltstone, shoshonite, hi-K calc-alkaline |
Tectonic setting | postconvergence |
Stratigraphic age | Eocene |
Development status | Prospect |
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Major commodities | Cu, Mo, Au |
Tonnage (Mt) | 62Mt |
Cu grade (%) | 0.5% |
Mo grade (%) | 0.078% |
Au grade (g/t) | 0.35g/t |
Contained copper | 310,000t |
Gold-Moly ratio | 4.5 |
Comments | Ailoshan-Red River magmatic belt; alkaline rocks present. Development. |
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Study area name | Tibetan Plateau |
References | Peng and others (1998); Hou and others (2006); Ren (1997); Wang and others (2005); Singer and others (2008); Xing and others (2009); Zeng and others (2006) |
Site reference | Ludington, Hammarstrom, and others (2012) |