| Deposit ID | 10086923 |
|---|---|
| MRDS ID | BL10086 |
| Record type | Site |
| Current site name | San Francisco Mine |
| Geographic coordinates: | -67.47781, -21.44256 (WGS84) |
|---|---|
| Elevation | 3950 |
| Relative position | 2.5 KM N80W OF ESTANCIA SAN FRANCISCO |
Political divisions (FIPS codes)
Potosi(province)
Bolivia(country)
South America(continent)
Land(continent)
Federal lands
Federal(land status)
| Country | State |
|---|---|
| Bolivia | Potosi |
| Commodity | Importance |
|---|---|
| Silver | Primary |
| Copper | Secondary |
| Materials | Type of material |
|---|---|
| Chrysocolla | Ore |
| Malachite | Ore |
| Hematite | Gangue |
| Limonite | Gangue |
| Result | ORE ANALYSES BY GEOBOL (1971): 3.41 TO 20.48% CU |
|---|
| Host or associated | Associated | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Rock type | Volcanic Rock (Aphanitic) > Pyroclastic Rock > Tuff | ||||||||
| Rock unit name | Quehua Superior | ||||||||
| Rock description | Quehua Superior | ||||||||
| |||||||||
| Host or associated | Host |
|---|---|
| Rock type | Volcanic Rock (Aphanitic) > Pyroclastic Rock > Tuff |
| Rock unit name | Quehua Superior |
| Rock description | Quehua Superior |
| (1) | -67.47781, -21.44256 |
|---|
| Type of structure | Local |
|---|---|
| Structure description | Biotite Dacite Dike Just South Of Workings |
| Depth to top | 0M |
|---|
| Development status | Occurrence |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Discoverer | Spanish Colonists |
| Ownership category | Federal |
|---|
| Type of workings | Surface |
|---|---|
| Overall depth | 20M |
| Overall length | 114.3M |
| Overall width | 25M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | BL10086 |
SERVICIO GEOLOGICO DE BOLIVIA, 1971, MINA SAN FRANCISCO: PROYECTO LIPEZ-COMIBOL-70 INFORME GE-39, 13P., MAP 1:500
GEOLOGICAL INVESTIGATIONS BY GEOBOL (1971)
VISITED SEPT. 30, 1990 BY USGS (RICHTER/BROOKS) AND GEOBOL (ESCOBAR/HINOJOSA)
GEOLOGICAL INVESTIGATIONS BY SCHULTZE (1967; REFERENCED IN GEOBOL, 1971)
CIMRI
| Subject category | Comment text |
|---|---|
| Deposit | VEINS IN FRACTURES WITH HIGHLY VARIABLE ORIENTATIONS UP TO 54 CM WIDE BUT GENERALLY LESS THAN 10 CM WIDE. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-MAY-1990 | Long, Keith R. | U.S. Geological Survey | |
| Updater | 01-DEC-1990 | Richter, Don (Usgs) | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.