| Deposit ID | 10058099 |
|---|---|
| MRDS ID | TC03876 |
| Record type | Site |
| Current site name | Portezuelo-Mondaca-Bezanilla |
| Alternate or previous names | Principal |
| Geographic coordinates: | -70.89398, -28.07525 (WGS84) |
|---|---|
| Elevation | 625 |
Political divisions (FIPS codes)
Chile(country)
South America(continent)
Land(continent)
| Country |
|---|
| Chile |
| Commodity | Importance |
|---|---|
| Copper | Primary |
| Molybdenum | Secondary |
| Uranium | Secondary |
| Cobalt Critical | Secondary |
| Materials | Type of material |
|---|---|
| Chalcopyrite | Ore |
| Erythrite | Ore |
| Molybdenite | Ore |
| Tetrahedrite | Ore |
| Calcite | Gangue |
| Limonite | Gangue |
| Magnetite | Gangue |
| Pyrite | Gangue |
| Pyrrhotite | Gangue |
| Quartz | Gangue |
| Result | PRIMARY ZONE = 2-3% CU |
|---|
| Host or associated | Associated | ||||
|---|---|---|---|---|---|
| Rock type | Plutonic Rock > Mafic Intrusive Rock > Diorite | ||||
| |||||
| Host or associated | Host |
|---|---|
| Rock type | Plutonic Rock > Mafic Intrusive Rock > Diorite |
| (1) | -70.89398, -28.07525 |
|---|
| General form | LENTICULAR |
|---|---|
| Strike | N60-70E |
| Dip | 45-80NW |
| Length | 2800M |
| Width | 5M |
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Medium |
| Significant | No |
| Discovery year | 1850 |
| District name | Carrizal Alto |
|---|
| Year | 1875 | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Period | 1860-75 | ||||||||||||||
| Material | ORE | ||||||||||||||
| Accuracy | Accurate | ||||||||||||||
| Description | Cp_Grade: ^10-15% Cu | ||||||||||||||
| |||||||||||||||
| Year | 1988 | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Period | To 1988 | ||||||||||||||
| Material | ORE | ||||||||||||||
| Accuracy | Estimate | ||||||||||||||
| Description | Cp_Grade: ^5% Cu | ||||||||||||||
| |||||||||||||||
| Type of workings | Underground |
|---|---|
| Overall depth | 500M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | TC03876 |
RUIZ, C. Y PEEBLES, F., 1988, YACIMIENTOS METALIFEROS DE CHILE: SANTIAGO, 334 P.
RUIZ, C., 1952, INFORME SOBRE LOS YACIMIENTOS DE URANIO EN EL DISTRITO DE CARRIZAL ALTO: INEDITO (CORFO).
DIAZ, ET AL., 1980, MAPA METALOGENICO PRONOSTICO DE LA III REGION: CORPORACION DE FOMENTO DE LA PRODUCCION, SANTIAGO (5 VOLS.).
PEREZ, G., 1979, IIG (INEDITO).
CIMRI
RUIZ Y PEEBLES, 1988.
| Subject category | Comment text |
|---|---|
| Deposit | REFERRED TO AS PRINCIPAL VEIN WHICH WAS INTENSELY EXPLOITED BY THE PORTEZUELO, MONDACA, AND BEZANILLA MINES; MINERALIZATION IN LENSES UP TO 13M LONG AND 5M WIDE; SYSTEM IS RELATED TO DIKES. OXIDIZED ZONE IS 10-40M AND ENRICHED ZONE IS 20-60M DEEP; DECREASE IN CHALCOPYRITE WITH DEPTH. URANIUM MINERALIZATION ASSOCIATED WITH CHLORITE. |
| Deposit | Discovery Year: 19TH C. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-SEP-1990 | Williams, William C. | University of Arizona |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.