| Deposit ID | 10068835 |
|---|---|
| MRDS ID | W002093 |
| Record type | Site |
| Current site name | Pircas Mine |
| Alternate or previous names | Potosi, San Miguel, Nueva Granda, Chocaya, Pirquitas |
| Geographic coordinates: | -66.53612, -22.68253 (WGS84) |
|---|---|
| Elevation | 4300 |
| Relative position | 4.5 KM W OF TOWN OF MINA PIRQUITAS IN QUEBRADA PIRQUITAS |
Political divisions (FIPS codes)
Jujuy(province)
Argentina(country)
South America(continent)
Land(continent)
| Country | State |
|---|---|
| Argentina | Jujuy |
| Commodity | Importance |
|---|---|
| Tin Critical | Primary |
| Silver | Primary |
| Materials | Type of material |
|---|---|
| Argentite | Ore |
| Cerargyrite | Ore |
| Miargyrite | Ore |
| Polybasite | Ore |
| Proustite | Ore |
| Silver | Ore |
| Stannite | Ore |
| Stephanite | Ore |
| Tetrahedrite | Ore |
| Alunite | Gangue |
| Anglesite | Gangue |
| Ankerite | Gangue |
| Boulangerite | Gangue |
| Chalcopyrite | Gangue |
| Galena | Gangue |
| Jarosite | Gangue |
| Kaolin | Gangue |
| Limonite | Gangue |
| Malachite | Gangue |
| Marcasite | Gangue |
| Pyrite | Gangue |
| Sphalerite | Gangue |
| 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 | ||||
| Rock unit name | Galan Formation | ||||
| Rock description | Galan Formation | ||||
| |||||
| Host or associated | Host |
|---|---|
| Rock type | Sedimentary Rock > Clastic Sedimentary Rock > Shale |
| Rock unit name | Acoite Formation |
| Rock description | Acoyte Formation; |
| Host or associated | Host |
|---|---|
| Rock type | Sedimentary Rock > Clastic Sedimentary Rock > Sandstone |
| (1) | -66.53612, -22.68253 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | High Plateau, Undrained Basins, N-Trending Steep Fault Block Ranges And Gentler Anticlinal Structures, Extinct Qat Volcanoes To West, Overturned Folds |
| Type of structure | Local |
| Structure description | 2 Main Faults (No Data On Trend) A Smaller System Of Vein-Filled Faults Of Tert Age |
| General form | OVAL, ORIENTED WNW |
|---|---|
| Strike | N65-80E |
| Dip | 85NE |
| Thickness | 1.5M |
| Length | 800M |
| Width | 600M |
| Development status | Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Large |
| Significant | No |
| Discovery year | 1934 |
| Discoverer | Alberto Pichetti |
| Year of first production | 1936 |
| District name | Pirquitas-Coyaguayma |
|---|
| Type | Operator |
|---|---|
| Owner | Cia Minera Pirquitas, Pichetti Y Cia., S. A. |
| Type of workings | Underground |
|---|---|
| Area | 0.024HA |
| Overall depth | 300M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | W002093 |
ANGELELLI, V., FERNANDEZ LIMA, J.C., HERRERA, A., AND ARSTARAIN, L., 1970, DESCRIPCION DEL MAPA METALOGENETICO DE LA REPUBLICA ARGENTINA: DIRRECION NACIONAL DE GEOLOGIA Y MINERIA, P.67 (SPANISH).
ANGELELLI, VICTORIO, 1984, YACIMIENTOS METALIFEROS DE LA REPUBLICA ARGENTINA, VOL. II: LA PLATA, COMISION DE INVESTIGACIONES CIENTIFICAS, P. 393-704.
TURNER, J.C.M., 1982, DESCRIPCION GEOLOGICA DE LA HOJA 3AB, MINA PIRQUITAS: DNGM 187, P. 42-43.
ANGELELLI, 1970, REF., ANGELELLI, VICTORIO, 1984, P. 489.
| Subject category | Comment text |
|---|---|
| Deposit | 3 GRUPOS MINEROS TOTALING 16 VEINS OF WHICH POTOSI AND CHOCAYA ARE THE MOST PRODUCTIVE |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-JUL-1973 | Davidson, Claire B. | U.S. Geological Survey | |
| Updater | 01-AUG-1991 | Bolm, Karen S. | U.S. Geological Survey | |
| Updater | 01-FEB-1993 | Long, Keith R. | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.