| Deposit ID | 10097689 |
|---|---|
| MRDS ID | BL10342 |
| Record type | Site |
| Current site name | Central Mine |
| Related records | 10006062 |
| Geographic coordinates: | -66.27584, -21.66699 (WGS84) |
|---|---|
| Elevation | 4230 |
| Relative position | 5.5 KM N70W OF ESMORACA |
Political divisions (FIPS codes)
Potosi(province)
Bolivia(country)
South America(continent)
Land(continent)
Federal lands
Federal(land status)
| Country | State |
|---|---|
| Bolivia | Potosi |
| Commodity | Importance |
|---|---|
| Tungsten Critical | Primary |
| Tin Critical | Secondary |
| Bismuth Critical | Secondary |
| Copper | Tertiary |
| Zinc Critical | Tertiary |
| Materials | Type of material |
|---|---|
| Bismuthinite | Ore |
| Bornite | Ore |
| Cassiterite | Ore |
| Chalcocite | Ore |
| Chalcopyrite | Ore |
| Enargite | Ore |
| Sphalerite | Ore |
| Wolframite | Ore |
| Hematite | Gangue |
| Pyrite | Gangue |
| Quartz | Gangue |
| Specularite | Gangue |
| Tourmaline | Gangue |
| Result | PINTO (1988): 3 TO 68 G/MT AU |
|---|---|
| Result | USGS (1990): UP TO 1.5 PPM AU, 5.9 PPM AG, 0.28% PB, 320 PPM ZN, 0.84% CU, 540 PPM AS, 290 PPM SB, 700 PPM SN, 6.1% BI, 700 PPM W. |
| Model code | 77 |
|---|---|
| USGS model code | 20b |
| Deposit model name | Sn-polymetallic vein |
| Host or associated | Associated | ||
|---|---|---|---|
| Rock type | Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Dacite | ||
| |||
| Host or associated | Host |
|---|---|
| Rock type | Sedimentary Rock > Clastic Sedimentary Rock > Sandstone |
| (1) | -66.27584, -21.66699 |
|---|
| Depth to top | 0M |
|---|
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Significant | No |
| Discovery year | 1885 |
| Year of first production | 1900 |
| District name | Esmoraca |
|---|
| Ownership category | Federal |
|---|
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | BL10342 |
PINTO, J., 1988, VISITA PRELIMINAR A LOS YACIMIENTOS CHOROMA Y ESMORACA: LA PAZ, UNDP, 4P.
FIELD INVESTIGATIONS, 1990, USGS/GEOBOL
VISIT NOV. 1990, USGS (LUDINGTON, DUBRAY) AND GEOBOL (SORIA
CIMRI
| Subject category | Comment text |
|---|---|
| Deposit | VEINS ARE MORE THAN 100 M DEEP IN A 4 M WIDE ZONE THAT CONTAINS 4 NARROW VEINS. |
| Deposit | Discovery Year: 1880'S FOR BI |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-MAY-1991 | Long, Keith R. | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.