| Deposit ID | 10007895 |
|---|---|
| MRDS ID | CS00129 |
| Record type | Site |
| Current site name | Tres Hermanos Mine |
| Alternate or previous names | Includes the Tres Hermanos, El Limon, Terciopela, Balsa, Nispero, Pedernal, and Palo Negro Veins. |
| Geographic coordinates: | -84.94022, 10.30801 (WGS84) |
|---|
Political divisions (FIPS codes)
Guanacaste(province)
Costa Rica(country)
North America(continent)
Land(continent)
| Country | State |
|---|---|
| Costa Rica | Guanacaste |
| Commodity | Importance |
|---|---|
| Gold | Primary |
| Silver | Secondary |
| Materials | Type of material |
|---|---|
| Electrum | Ore |
| Galena | Ore |
| Gold | Ore |
| Sphalerite | Ore |
| Stibnite | Ore |
| Hematite | Gangue |
| Pyrite | Gangue |
| Quartz | Gangue |
| Model code | 151 |
|---|---|
| USGS model code | 25d |
| Deposit model name | Epithermal vein, Sado |
| Mark3 model number | 28 |
| Host or associated | Associated | ||||
|---|---|---|---|---|---|
| Rock type | Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Dacite | ||||
| |||||
| Host or associated | Host |
|---|---|
| Rock type | Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Dacite |
| (1) | -84.94022, 10.30801 |
|---|
| General form | VEIN |
|---|---|
| Thickness | 7.92M |
| Length | 2011.68M |
| Development status | Producer |
|---|---|
| Commodity type | Metallic |
| Significant | No |
| District name | Abangares District |
|---|
| Type | Owner |
|---|---|
| Owner | Cia. Minera Guanacaste, S. A.; Ariel Resources ). |
| First year | 1990 |
| Type | In-situ | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Estimate year | 1995 | ||||||||||||||
| Total resources | 2940600000mt ore | ||||||||||||||
| |||||||||||||||
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | CS00129 |
REITZ, M. F., 1902, THE GOLD MINES OF COSTA RICA: ENG. MIN. J., V. 74, NO. 7, P. 213.
GIOVANI SOSTO, MINE OWNER, ORAL COMMUNICATION, 1986.
ORGANIZACION DE LOS ESTADOS AMERICANOS, 1978, DIAGNOSTICO DEL SECTOR MINERO: SAN JOSE, ORGANIZACION DE LOS ESTADOS AMERICANOS, 91 P.
VISITED BY USGS SCIENTISTS, 1986.
ANON., 1994, ARIEL'S SAN MARTIN MINE PROCEEDING ON SCHEDULE: LATIN AMERICAN MINING NEWS, JUNE 8, 1994, P. 52.
ANON., 1995, ARIEL LARGEST PRODUCER OF GOLD IN COSTA RICA: THE NORTHERN MINER, MARCH 27, 1995, V. 81, NO. 4, P. B-1 AND B-2.
ANON. (1994)
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-MAR-1986 | Howe, Stephen S. (Cox, Dennis P.) | U.S. Geological Survey | |
| Updater | 01-SEP-1994 | Page, Norman J. | U.S. Geological Survey | |
| Updater | 01-APR-1995 | Page, Norman J. | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.