| Deposit ID | 10056543 |
|---|---|
| MRDS ID | TC00585 |
| Record type | Site |
| Current site name | Helvecia Mine |
| Alternate or previous names | Helvecia I, Helvecia Ii, Cerro Urcushum |
| Geographic coordinates: | -68.76059, -29.55857 (WGS84) |
|---|---|
| Elevation | 2900 |
| Relative position | 30 KM W OF GUANDACOL, 28 KM W OF SAN BERNARDO |
Political divisions (FIPS codes)
La Rioja(province)
Argentina(country)
South America(continent)
Land(continent)
| Country | State |
|---|---|
| Argentina | La Rioja |
| Commodity | Importance |
|---|---|
| Lead | Primary |
| Zinc Critical | Primary |
| Silver | Primary |
| Barium-Barite Critical | Primary |
| Copper | Secondary |
| Materials | Type of material |
|---|---|
| Barite | Ore |
| Calcite | Ore |
| Chalcopyrite | Ore |
| Gypsum | Ore |
| Hemimorphite | Ore |
| Hydrozincite | Ore |
| Jarosite | Ore |
| Malachite | Ore |
| Pyrite | Ore |
| Smithsonite | Ore |
| Sphalerite | Ore |
| Tetrahedrite | Ore |
| Result | OXIDIZED ORE AVERAGES 40-49% ZN, 0.2-0.4% PB, 40-70 G.MT AG, OVER 0.5-1.2 M. UNDERGROUND 37.1% ZN, 2.2% PB, 135 G/MT AG OVER 3.5 M. |
|---|
| Model code | 224 |
|---|---|
| USGS model code | 32a |
| Deposit model name | Mississippi Valley, S.E. Missouri Pb-Zn |
| Mark3 model number | 42 |
| Host or associated | Associated | ||
|---|---|---|---|
| Rock type | Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite | ||
| |||
| Host or associated | Host |
|---|---|
| Rock type | Sedimentary Rock > Clastic Sedimentary Rock > Sandstone |
| Host or associated | Host |
|---|---|
| Rock type | Sedimentary Rock > Carbonate > Limestone |
| Rock unit name | San Juan Formation; |
| Rock description | San Juan Formation; |
| (1) | -68.76059, -29.55857 |
|---|
| General form | TABULAR, LENSES, PODS |
|---|---|
| Thickness | 1.2M |
| Length | 600M |
| Width | 600M |
| Development status | Producer |
|---|---|
| Commodity type | Both |
| Significant | No |
| Discovery year | 1898 |
| Year of first production | 1945 |
| Year of last production | 1983 |
| Type | Operator |
|---|---|
| Owner | Cerro Negro Mining Co.; Compania Minera Aguilar (1970'S); Plata Mining ) |
| First year | 1995 |
| Type | Owner |
|---|---|
| Owner | Cerro Negro Mining Co. |
| Year | 1981 | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Material | ORE | ||||||||||||||
| Accuracy | Estimate | ||||||||||||||
| Description | Ap_Grade: ^5% Pb | ||||||||||||||
| |||||||||||||||
| Type | In-situ | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Estimate year | 1991 | ||||||||||||||||||||||||||||
| |||||||||||||||||||||||||||||
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | TC00585 |
ANON. (1995)
DIRECCION NACIONAL DE MINERA Y GEOLOGIA, 1991, REPORT ON THE ARGENTINE MINING SECTOR, ARGENTINE SELECTED MINING PROJECT: BUENOS AIRES
ANGELELLI, VICTORIO, 1984, YACIMIENTOS METALIFEROS DE LA REPUBLICA ARGENTINA, VOL. II: BUENOS AIRES, COMISION DE INVESTIGACIONES CIENTIFICAS, P. 393-704.
ANONYMOUS, 1995, PLATA TO FOCUS ON ARGENTINE ZINC PROPERTY: THE NORTHERN MINER, V. 81, NO. 9, P. 1-2.
CIMRI
ANGELELLI,VICTORIO, 1984, P. 497
| Subject category | Comment text |
|---|---|
| Deposit | ORE BODIES OCCUR AT UNCONFORMITY BETWEEN ORD AND CARB. SOME KARST TOPOGRAPHY. |
| Deposit | SEE RECORD NUMBER AR00261 ; INFO.SRC : 1 PUB LIT |
| Deposit | First Production Year: 1945 (SIGNIFICANT) |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-JUL-1991 | Bolm, Karen S. | U.S. Geological Survey | |
| Updater | 07-JUN-1995 | Page, Norman J. | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.