| Deposit ID | 10004669 |
|---|---|
| MRDS ID | AR10049 |
| Record type | Site |
| Current site name | La Encrucijada Mine |
| Alternate or previous names | Caldera, San Isidro |
| Geographic coordinates: | -67.69973, -28.98634 (WGS84) |
|---|---|
| Elevation | 3100 |
| Relative position | 20 KM S OF CORRALES |
Political divisions (FIPS codes)
La Rioja(province)
Argentina(country)
South America(continent)
Land(continent)
| Country | State |
|---|---|
| Argentina | La Rioja |
| Commodity | Importance |
|---|---|
| Copper | Primary |
| Silver | Secondary |
| Materials | Type of material |
|---|---|
| Bornite | Ore |
| Chalcocite | Ore |
| Chalcopyrite | Ore |
| Malachite | Ore |
| Quartz | Gangue |
| Result | ORE ASSAYS 0.2-7% CU |
|---|
| Host or associated | Associated | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Rock type | Plutonic Rock > Granitoid > Granite | ||||||||
| Rock unit name | Nunorco Batholith | ||||||||
| Rock description | Nunorco Batholith | ||||||||
| |||||||||
| Host or associated | Host |
|---|---|
| Rock type | Metamorphic Rock > Phyllite |
| Host or associated | Host |
|---|---|
| Rock type | Metamorphic Rock > Schist |
| Rock unit name | Negro Peinado Formation |
| Rock description | Negro Peinado Formation |
| (1) | -67.69973, -28.98634 |
|---|
| Strike | N45W |
|---|---|
| Dip | 68-74NE |
| Thickness | 0.15M |
| Length | 150M |
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Significant | No |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | AR10049 |
MAPA MINERO DE LA PROVINCIA DE RIOJA 1966-1967, INSTITUTO NACIONAL DE GIOLOGIA Y MINERIA; SERVICIO DE ECONOMIA MINERIA.
ANGELELLI, V., 1984, YACIMIENTOS METALIFEROS DE LA REPUBLICA ARGENTINA: LA PLATA, PROVINCIA DE BUENOS AIRES, COMISION DE INVESTIGACIONES CIENTIFICAS, VOL. I P. 147.
JUAN CARLOS M. TURNER, 1971, DNGM BOL. 126, P. 81.
SCHALAMUK, I.B., AND LOGAN, M.A.V., 1994, POLYMETALLIC AG-TE BEARING PARAGENESIS OF THE CERRO NEGRO DISTRICT, FAMATINA RANGE, LA RIOJA, ARGENTINA: CANADIAN MINERALOGIST, V. 32, P. 667-679.
CIMRI
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-JUN-1993 | Sow, Thierno | U.S. Geological Survey | |
| Updater | 09-NOV-1994 | Page, Norman J. | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.