Location: | Alajuela, Costa Rica, North America |
Lat / long: | 10.0483, -84.56243 |
dep_id: | 10007918 |
mrds_id: | CS00155 |
Commodity type: | metallic |
Major mineral: | Gold |
Minor mineral: | Silver |
Operation type: | Unknown |
Production size: | No production occurred |
Development status: | Occurrence |
gangue: | Quartz |
other_matl: | Pyrite |
orebody_fm: | VEIN |
model: | 151: Epithermal vein, Sado |
alteration: | Zone Of Silicification And Pyritization. Marsh Indicates Silicification Of Tuffs Near Quartz Veins Only. Goethite Is The Most Common Oxidation Product Of Pyrite. |
Reporter: | Howe, Stephen S. (Cox, Dennis P.), Mosier, Dan |
hrock_unit: | Aguacate Formation |
hrock_type: | Andesite |
arock_type: | Rhyolite |
References: |
- Deposit:: BENNETT, EVAN, 1939, GOLD MINING IN COSTA RICA: ENG. MIN. J., V. 140, NO. 1, P. 56-58.
- Deposit:: VISITED BY USGS SCIENTISTS 1986.
- Deposit:: U.S. GEOLOGICAL SURVEY, DIRECCION GENERAL DE GEOLOGIA, MINAS E HIDROCARBUROS, UNIVERSIDAD DE COSTA RICA, 1987, MINERAL RESOURCE ASSESSMENT OF THE REPUBLIC OF COSTA RICA: U.S. GEOLOGICAL SURVEY MISCELLANEOUS INVESTIGATION SERIES MAP I-1865, 75 P.
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