| Deposit ID | 10007896 |
|---|---|
| MRDS ID | CS00130 |
| Record type | Site |
| Current site name | Boston Mine |
| Alternate or previous names | Boston-Gongolona-Ano Nuevo Mines. Veins: La Leona, Croppings, Estelia, Los Berros, Veta De Oro El Nance, Gaitan, Lucky Strike, El Horno, El Tajo. |
| Geographic coordinates: | -84.91383, 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 |
| Copper | Secondary |
| Materials | Type of material |
|---|---|
| Gold | Ore |
| Pyrite | Ore |
| Quartz | Gangue |
| Result | ORE AVERAGES $30/T AU (IN 1902) |
|---|---|
| Result | 4% CU IN SULFIDE PORTION. |
| Model code | 151 |
|---|---|
| USGS model code | 25d |
| Deposit model name | Epithermal vein, Sado |
| Mark3 model number | 28 |
| (1) | -84.91383, 10.30801 |
|---|
| Name | MAIN VEIN, LA LEONA |
|---|---|
| General form | VEIN |
| Strike | N 50 E}N15E}N40E}N45E}N25W}NW}N20W}N20E} |
| Dip | }}}}80W}}}} |
| Thickness | 1.5M |
| Width | 50M |
| Name | VEIN |
|---|---|
| General form | VEIN |
| Dip | }}}}80W}}}} |
| Thickness | 2M |
| Name | LOS BERROS |
|---|---|
| General form | VEIN |
| Dip | }}}}80W}}}} |
| Thickness | 1.2M |
| Name | VETA DE ORO |
|---|---|
| General form | VEIN |
| Dip | }}}}80W}}}} |
| Thickness | 2M |
| Name | EL NANCE |
|---|---|
| General form | VEIN |
| Dip | }}}}80W}}}} |
| Thickness | 0.5M |
| Name | GAITAN |
|---|---|
| General form | VEIN |
| Dip | }}}}80W}}}} |
| Thickness | 2M |
| Name | LUCKY STRIKE |
|---|---|
| General form | VEIN |
| Dip | }}}}80W}}}} |
| Name | EL HORNO |
|---|---|
| General form | VEIN |
| Dip | }}}}80W}}}} |
| Name | EL TAJO |
|---|---|
| General form | VEIN |
| Dip | }}}}80W}}}} |
| Development status | Occurrence |
|---|---|
| Commodity type | Metallic |
| Significant | No |
| Discovery year | 1935 |
| District name | Abangares District |
|---|
| Type | Owner |
|---|---|
| Owner | Costa Rica Esperanza Gold Mining Co. (Pre 1907- Cadminsa ). Formerly By Abangares |
| First year | 1982 |
| Last year | 1915 |
| Type | In-situ | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Estimate year | 1983 | ||||||||||||||
| |||||||||||||||
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | CS00130 |
REITZ, M. F., 1902, THE GOLD MINES OF COSTA RICA: ENG. MIN. J., V. 74, NO. 7, P. 213.
WILLIAM BENNETT, OWNER, ORAL COMMUNICATION, 1986.
MADRIGAL, OSCAR, 1983, MINAS BOSTON-GONGOLONA, LAS JUNTAS DE ABANGARES, GUANCASTE, COSTA RICA: UNPUBLISHED REPORT, JUNE, 1983, 15 P.
| Subject category | Comment text |
|---|---|
| Deposit | BOSTON MINE, GONGOLONA, AND ANO NUEVO MINE ALL ON THE LA LEONA STRUCTURE. ORE BODY 3: MAYBE CONTINUATION OF LOS BERROS. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-MAR-1986 | Howe, Stephen S. (Cox, Dennis P.) | U.S. Geological Survey | |
| Updater | 07-MAR-1995 | Page, Norman J. | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.