| GMRAP ID | 1010 |
|---|---|
| Tract name | East Qinling (142pCu8705) |
| Site status | deposit |
| Country | China |
|---|---|
| State or province | Shaanxi |
| Geographic location | 109.95400238, 34.332298279 |
| Geologic map unit | 109.95400238, 34.332298279 |
| Nearby data |
| Deposit type | Porphyry molybdenum-copper |
|---|---|
| Deposit subtype | Cu-Mo |
| Age (Ma) | 138.4Ma |
| Age determination method | Re-Os |
| Age range | 138.4 ±0.5 Ma |
| Age reference | Stein and others (1997) |
| Minerals | chalcopyrite, molybdenite, sphalerite, scheelite |
| Associated rocks | granite, quartz monzonite, granodiorite |
| Tectonic setting | postconvergence |
| Stratigraphic age | Early Cretaceous |
| Development status | Producer |
|---|---|
| Major commodities | Mo, Cu |
| Tonnage (Mt) | 1,400Mt |
| Cu grade (%) | 0.028% |
| Mo grade (%) | 0.091% |
| Contained copper | 390,000t |
| Gold-Moly ratio | -9999 |
| Comments | Deposit is extremely difficult to classify - has characteristics of both porphyry Cu, Climax Mo, and calc-alkaline Mo porphyry. Cu grade from Yan and others (2007); they give Cu resource of 221 kt. Mining. |
|---|---|
| Study area name | East Asia Mesozoic |
| References | Huang and others (1988); Zhu and others (2010); Carten and others (1993); Stein and others (1997); Yan and others (2007) |
| Site reference | Ludington, Mihalasky, and others (2012) |