| GMRAP ID | 590 |
|---|---|
| Tract name | Jinsajiang (142pCu8702) |
| Site status | deposit |
| Country | China |
|---|---|
| State or province | Yunnan |
| Geographic location | 99.9864, 28.0385 |
| Geologic map unit | 99.9864, 28.0385 |
| Nearby data |
| Deposit type | Porphyry copper |
|---|---|
| Age (Ma) | 213Ma |
| Age determination method | Re-Os molybdenite |
| Age range | 213 ±3.8 Ma |
| Age reference | Li, Zeng and others (2011) |
| Minerals | bornite, chalcocite, chalcopyrite, malachite, molybdenite, pyrite, pyrrhotite |
| Associated rocks | quartz diorite porphyry, quartz monzonite porphyry, granodiorite, andesite, dacite |
| Tectonic setting | island arc |
| Stratigraphic age | Late Triassic |
| Development status | Prospect |
|---|---|
| Major commodities | Cu, Mo, Au, Ag |
| Tonnage (Mt) | 1,229Mt |
| Cu grade (%) | 0.34% |
| Mo grade (%) | 0.01% |
| Au grade (g/t) | 0.18g/t |
| Ag grade (g/t) | 1.27g/t |
| Contained copper | 4,200,000t |
| Gold-Moly ratio | 20 |
| Comments | Li, Zeng and others (2011) report an average Pt grade 1.34 ppb, Pd, 4.95 ppb; Chen and others (2008) report 6,400 t of Mo at 0.004% Mo, 29 t of Au at 0.18 g/t Au. 30% of the deposit area is covered by Quaternary moraine. The original grade and tonnage cited by Singer and others (2008) has been superseded. |
|---|---|
| Study area name | Central Asian Orogenic Belt |
| References | Ren (1997); Wang, Zhang and others (2007); Zeng and others (2004); Hou, Zaw and others (2007); Li, Zeng and others (2011); Chen and others (2008); Leng and others (2008); Singer and others (2008) |
| Site reference | Mihalasky, Ludington, Hammarstrom, and others (2015) |