| Deposit ID | 10085943 |
|---|---|
| MRDS ID | W701819 |
| Record type | Site |
| Current site name | San Sebastian Mine |
| Geographic coordinates: | -87.93002, 13.6509 (WGS84) |
|---|---|
| Elevation | 213 |
| Relative position | 3 MILES W OF SANTA ROSA, 30 MI N OF LA UNION. |
Political divisions (FIPS codes)
La Union(province)
El Salvador(country)
North America(continent)
Land(continent)
| Country | State |
|---|---|
| El Salvador | La Union |
| Commodity | Importance |
|---|---|
| Gold | Primary |
| Silver | Primary |
| Materials | Type of material |
|---|---|
| Bornite | Ore |
| Calaverite | Ore |
| Chalcocite | Ore |
| Chalcopyrite | Ore |
| Gold | Ore |
| Marcasite | Ore |
| Molybdenite | Ore |
| Pyrite | Ore |
| Pyrolusite | Ore |
| Pyrrhotite | Ore |
| Barite | Gangue |
| Calcite | Gangue |
| Chlorite | Gangue |
| Epidote | Gangue |
| Gypsum | Gangue |
| Quartz | Gangue |
| Host or associated | Associated | ||
|---|---|---|---|
| Rock type | Plutonic Rock > Granitoid > Quartz Monzonite | ||
| |||
| Host or associated | Host |
|---|---|
| Rock type | Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Trachyte |
| Host or associated | Host |
|---|---|
| Rock type | Volcanic Rock (Aphanitic) > Mafic Volcanic Rock > Basalt |
| (1) | -87.93002, 13.6509 |
|---|
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Medium |
| Significant | No |
| Discovery year | 1673 |
| Type | Owner-Operator |
|---|---|
| Owner | American Co. , Butters Salvador Mines, Ltd. |
| First year | 1890 |
| Last year | 1900 |
| Type of workings | Underground |
|---|---|
| Overall length | 32186M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | W701819 |
INSTITUTO CENTROAMERICANO DE INVESTIGACION Y TECNOLOGIA INDUSTRIAL (ICAITI), 1970, MAPA METRALOGENETIO DE AMERICA CENTRAL; 1:2000000 & ESTUDIOS METALOGENETICOS DE AMERICA CENTRAL: PUBLICIONES GEOLOGICAS DEL ICAITI NUMERO III, 76 P.
ROBERTS, R.J., AND IRVING, E.M., 1957, MINERAL DEPOSITS OF CENTRAL AMERICA: U.S. GEOLOGICAL SURVEY BULLETIN 1034, P. 191.
WUENSCH, C.E., 1917, GEOLOGY OF THE SAN SEBASTIAN MINE, SALVADOR: MINING AND SCIENTIFIC PRESS, SEPT. 8, 1917, P. 345-350.
CIMRI
ROBERTS AND IRVING (1957); WUENSCH (1917).
| Subject category | Comment text |
|---|---|
| Deposit | SERIES OF BRANCHING QUARTZ VEINS IN ZONE 50 - 200 FT WIDE; ORE SHOOTS CONTAIN A FEW TONS TO SEVERAL THOUSAND TONS OF ORE AND WERE ERRATICALLY DISTRIBUTED IN VEINS; SOME SHOOTS CONTAINED ORE WITH 3 - 50 OZ/TON AU, BUT AVERAGE ONLY 1.5 OZ/T. VEINS OCCUR AT CONTACT WITH QUARTZ MONZONITE PORPHYRY DIKE AND ADJACENT VOLCANICS. RICHER ORE IN UPPER PORTIONS OF VEINS WITH SECONDARY SULFIDES. AU:AG = 10:1. |
| Deposit | Discovery Year: SPANISH COLONIAL TIMES |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-JUN-1990 | Bliss, James D. | U.S. Geological Survey | |
| Updater | 01-MAR-1992 | Page, Norman J. | U.S. Geological Survey | |
| Updater | 01-FEB-1993 | Page, Norman J. | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.