| Deposit ID | 10068802 |
|---|---|
| MRDS ID | W002056 |
| Record type | Site |
| Current site name | Colquiri Mine |
| Geographic coordinates: | -67.12865, -17.381 (WGS84) |
|---|---|
| Elevation | 4200 |
| Relative position | 81 KM NORTH OF ORURO |
Political divisions (FIPS codes)
La Paz(province)
Bolivia(country)
South America(continent)
Land(continent)
Federal lands
Federal(land status)
| Country | State |
|---|---|
| Bolivia | La Paz |
| Commodity | Importance |
|---|---|
| Tin Critical | Primary |
| Zinc Critical | Secondary |
| Lead | Secondary |
| Silver | Secondary |
| Copper | Tertiary |
| Materials | Type of material |
|---|---|
| Cassiterite | Ore |
| Chalcopyrite | Ore |
| Galena | Ore |
| Silver | Ore |
| Sphalerite | Ore |
| Stannite | Ore |
| Chlorite | Gangue |
| Fluorite | Gangue |
| Pyrite | Gangue |
| Pyrrhotite | Gangue |
| Quartz | Gangue |
| Model code | 77 |
|---|---|
| USGS model code | 20b |
| Deposit model name | Sn-polymetallic vein |
| Host or associated | Host | ||
|---|---|---|---|
| Rock type | Sedimentary Rock > Clastic Sedimentary Rock > Shale | ||
| |||
| Host or associated | Host |
|---|---|
| Rock type | Sedimentary Rock > Clastic Sedimentary Rock > Sandstone |
| Rock unit name | Catavi Sandstone, Sandy Shale (450 M) (450 M);Uncia Shales (1200 M) |
| Rock description | Catavi Sandstone, Sandy Shale (450 M) (450 M);Uncia Shales (1200 M) |
| (1) | -67.12865, -17.381 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | N 35 W Fold Axes |
| Type of structure | Local |
| Structure description | Main Fault Cutting Across Syncline Between Coquiri Anticline To North And Aquilarani Anticline To South |
| General form | TABULAR |
|---|---|
| Strike | N 33 E |
| Dip | 65 NW |
| Plunge direction | NE |
| Thickness | 35M |
| Length | 3000M |
| Width | 1.5M |
| Depth to top | 0M |
| Depth to bottom | 500M |
| Development status | Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Large |
| Significant | No |
| Discovery year | 1492 |
| Year of first production | 1880 |
| Ownership category | Federal |
|---|
| Type | Owner-Operator |
|---|---|
| Owner | Corporacion Minera De Bolivia |
| Type of workings | Underground |
|---|---|
| Length | 4000M |
| Overall depth | 500M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | W002056 |
CAMPBELL, D. F., 1947, THE GEOLOGY OF THE COLQUIRI TIN MINE, BOLIVIA: ECON. GEOL. V. 42, PP. 1-21
AHLFELD, A., AND SCHNEIDER-SCHERBINA, 1964, LOS YACIMIENTOS MINERALES Y DE HIDROCARBUROS DE BOLIVIA: DEPTO. NAC. GEOL., BOL. 5 (ESPECIAL), PP. 149-150.
ROCHA H., ROBERTO, 1974, APORTE AL CONOCIMIENTO GEOLOGICO DEL YACIMIENTO MINERO DE COLQUIRI: LA PAZ, UMSA, TESIS DE GRADO
EXTRAPOLATED FROM COMIBOL PRODUCTION DATA
| Subject category | Comment text |
|---|---|
| Deposit | VEIN SYSTEM: THREE SETS OF VEINS ARE RECOGNIZED. PRIMARY (CENTRAL), SECONDARY (OCAVI ZONE), TERTIARY (UNIFICADA ZONE). |
| Deposit | First Production Year: TIN, 1880. |
| Deposit | Discovery Year: PRE-COLOMBIAN AND DURING SPANISH PERIOD FOR SILVER; SINCE 1880 FOR TIN (HOCHSCHILD AND COMIBOL) |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-MAY-1973 | Irving, Earl M. | U.S. Geological Survey | |
| Updater | 01-JUL-1978 | Urquidi-Barrau, Fernando | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.