| Deposit ID | 10006302 |
|---|---|
| MRDS ID | BL20294 |
| Record type | Site |
| Current site name | Cuatro Hermanos Mine |
| Geographic coordinates: | -67.76617, -16.66436 (WGS84) |
|---|---|
| Elevation | 3500 |
| Relative position | 8.5 KM N60E OF COHONI |
Political divisions (FIPS codes)
La Paz(province)
Bolivia(country)
South America(continent)
Land(continent)
| Country | State |
|---|---|
| Bolivia | La Paz |
| Commodity | Importance |
|---|---|
| Tin Critical | Primary |
| Lead | Primary |
| Silver | Primary |
| Zinc Critical | Tertiary |
| Copper | Tertiary |
| Tungsten Critical | Tertiary |
| Materials | Type of material |
|---|---|
| Bournonite | Ore |
| Cassiterite | Ore |
| Chalcopyrite | Ore |
| Galena | Ore |
| Sphalerite | Ore |
| Pyrite | Gangue |
| Pyrrhotite | Gangue |
| Host or associated | Host | ||
|---|---|---|---|
| Rock type | Metamorphic Rock > Metasedimentary Rock > Slate | ||
| |||
| (1) | -67.76617, -16.66436 |
|---|
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Discovery year | 1850 |
| Type | Owner |
|---|---|
| Owner | Federico Lahore |
| Type of workings | Underground |
|---|---|
| Length | 50M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | BL20294 |
AGUIRRE, C.A., 1965, INTERNATIONAL MINING, CO., INTERNAL REPORT I-VM-19, ARCHIVO MINTEC.
GUSTAVSON ASSOC., 1992, COMPENDIUM OF THE ECONOMIC GEOLOGY OF BOLIVIA
CIMRI
| Subject category | Comment text |
|---|---|
| Deposit | UPPER PART OF DEPOSIT CONTAINS SHOOTS IN VEINS OF CASSITERITE-PYRITE IN GRANODIORITE PORPHYRY. LOWER PART OF DEPOSIT CONSISTS OF N-S VEINS OF GALENA-SPHALERITE-PYRITE-CHALCOPYRITE-BOURNONITE-PYRRHOTITE. |
| Deposit | Discovery Year: 1800'S |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-MAR-1991 | Orlando, Andre | Servicio Geologic de Bolivia | |
| Updater | 01-NOV-1993 | Long, Keith R. | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.