| Deposit ID | 10097682 |
|---|---|
| MRDS ID | BL10054 |
| Record type | Site |
| Current site name | Bertha Mine |
| Geographic coordinates: | -67.20558, -21.09868 (WGS84) |
|---|---|
| Elevation | 4050 |
| Relative position | 109 KM BY ROAD FROM UYUNI |
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 |
| Lead | Secondary |
| Zinc Critical | Tertiary |
| Materials | Type of material |
|---|---|
| Argentite | Ore |
| Galena | Ore |
| Sphalerite | Ore |
| Pyrite | Gangue |
| Siderite | Gangue |
| Result | ORE ANALYSES BY ROCHA (1958): 2.5 TO 64.5% PB 0.55 TO 13.8%ZN 0 TO 4490 G/T AG |
|---|
| Model code | 77 |
|---|---|
| USGS model code | 20b |
| Deposit model name | Sn-polymetallic vein |
| Host or associated | Associated | ||||||
|---|---|---|---|---|---|---|---|
| Rock type | Volcanic Rock (Aphanitic) | ||||||
| Rock unit name | Quehua Superior | ||||||
| Rock description | Quehua Superior | ||||||
| |||||||
| Host or associated | Host |
|---|---|
| Rock type | Volcanic Rock (Aphanitic) |
| Rock unit name | Quehua Superior |
| Rock description | Quehua Superior |
| (1) | -67.20558, -21.09868 |
|---|
| General form | IRREGULAR |
|---|---|
| Width | 0.2M |
| Depth to top | 0M |
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Discoverer | Spanish Colonists |
| District name | San Cristobal |
|---|
| Ownership category | Federal |
|---|
| Type of workings | Underground |
|---|---|
| Length | 195M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | BL10054 |
ROCHA R., S., 1958, INFORME SOBRE ASISTENCIA TECNICA MINERA MINA BERTHA: DEPARTAMENTO NACIONAL DE GEOLOGIA INFORME DCMS-35, 3P.
JACOBSON, H.S., ET. AL., 1969, GEOLOGY AND MINERAL DEPOSITS OF THE SAN CRISTOBAL DISTRICT, VILLA MARTIN PROVINCE, POTOSI, BOLIVIA: U.S. GEOLOGICAL SURVEY BULLETIN 1273, 22P., MAP.
MURILLO, C., ET., AL., 1967, ESTUDIO GEOLOGICO Y MINERALOGICO DEL DISTRITO DE SAN CRISTOBAL: SERVICIO GEOLOGICO DE BOLIVIA INFORME, 27P., MAPS.
GEOLOGICAL INVESTIGATIONS BY JACOBSON ET AL (1969)
VISITED SEPT., 1990, BY USGS/GEOBOL
GEOLOGICAL INVESTIVATION BY GEOBOL (MURILLO ET AL, 1967)
GEOLOGICAL INVESTIGATIONS BY ROCHA (1958) GEOBOL
CIMRI
| Subject category | Comment text |
|---|---|
| Deposit | VEIN 0.15 TO 0.20 M WIDE |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-MAY-1990 | Long, Keith R. | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.