GMRAP ID | 614 |
---|---|
Alternate names | Ccala |
Tract name | Peru Eocene–Oligocene Antapaccay (005pCu1009) |
Included sites | Azulccacca, Ccalla, Huaclle |
Site status | deposit |
Country | Peru |
---|---|
State or province | Apurímac |
Geographic location | -72.348055556, -14.181111111 |
Geologic map unit | -72.348055556, -14.181111111 |
Nearby data |
Deposit type | Porphyry copper |
---|---|
Deposit subtype | Cu-Au |
Age (Ma) | 35.7Ma |
Age determination method | K-Ar biotite |
Age range | 35.7 ±0.9 Ma |
Age reference | Perelló, Carlotto and others (2003) |
Minerals | alunite, anhydrite/gypsum, apatite, biotite, bornite, chalcocite, chalcopyrite, chlorite, Cu oxide, epidote, galena, gold, hematite, illite/smectite, limonite, magnetite, molybdenite, pyrite, rutile, sericite, sphalerite, sphene |
Associated rocks | andesite dike, breccia, dacite dike, diorite, granodiorite, quartz monzodiorite porphyry, diorite, granodiorite, skarn |
Tectonic setting | continental margin |
Stratigraphic age | Eocene |
Development status | Prospect |
---|---|
Major commodities | Cu, Au |
Tonnage (Mt) | 404Mt |
Cu grade (%) | 0.42% |
Au grade (g/t) | 0.23g/t |
Ag grade (g/t) | 2.84g/t |
Contained copper | 1,700,000t |
Gold-Moly ratio | -9999 |
Comments | Andahuaylas-Yauri belt. Exposed. Resources are updated from Wright and Colquhoun (2012). Singer and others (2008) reported resource as of July, 2007, at 0.3% Cu cut-off grade, continuing <100 ppm Mo. Alunite K-Ar age of 3.3±0.2 Ma. |
---|---|
Study area name | Andes |
References | Panoro Minerals Ltd. (2007); Perelló, Neyra and others (2004); Perelló, Carlotto and others (2003); Singer and others (2008); Wright and Colquhoun (2012) |
Site reference | Cunningham and others (2008) |