| Location: | Cajamarca, Peru, South America |
| Lat / long: | -6.3981, -78.86646 |
| dep_id: | 10065205 |
| mrds_id: | TC40305 |
| Commodity type: | metallic |
| Major mineral: | Copper, Molybdenum |
| Operation type: | Unknown |
| Production size: | No production occurred |
| Development status: | Occurrence |
| ore: | Bornite, Chalcocite, Chalcopyrite, Covellite, Enargite, Molybdenite, Pyrite, Tennantite |
| gangue: | Andalusite, Chlorite, Diaspore, Pyrophyllite, Sericite |
| model: | 53: Porphyry Cu |
| alteration: | Advanced Argillic (Central Zone) With Andalusite-Quartz, Andalusite-Pyrophyllite-Quartz, Andalusite-Sericite-Quartz, Diaspore-Pyrophyllite Quartz, Sericite-Pyrophyllite-Quartz With Sericite-Clay, Locally Chlorite Around It, Outside A Propylitic Zone With Chlorite, Epidote, Clinozoisite, Calcite, Anhydrite, Clay, Quartz; Local Skarn Of Garnet-Actinolite-Wollastonite-Epidote-Clinozoisite. |
| conc_proc: | Leached Cap With Transition Zone (Is More Than 2 M Thick) To Enrichment Blanket Of 25-250 M In The Sericite Clay Zone - Consists Of Chalcocite-Covellite With Grade Varying From 0.5-2% Cu. |
| Reporter: | Page, Norman J. |
| hrock_unit: | Inca-Chulek-Pariatambo Formation |
| hrock_type: | Hornblendite,Skarn (Tactite) |
| arock_type: | Diorite |
| Structure: | Fracture Density Of 0.1 And 2 Per Cm. |
| disc_yr: | 1970 |
| discr: | Servicio Geologia Y Mineria De Peru And Institute Of Geologic Sciences Of U.K. |
| References: |
- Deposit:: SCHWARTZ, M.O., 1982, THE PORPHYRY COPPER DEPOSIT AT LA GRANJA, PERU: ECONOMIC GEOLOGY, V.77, P. 482-488.
- Deposit:: CAMBIOR, 1994, 3RD QUARTER REPORT TO SHAREHOLDERS, SEPT. 30, 1994, P. 4.
- Other Database:: CIMRI
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