Location: | Alajuela, Costa Rica, North America |
Lat / long: | 10.05386, -84.53187 |
dep_id: | 10007916 |
mrds_id: | CS00153 |
Commodity type: | metallic |
Major mineral: | Gold |
Minor mineral: | Silver |
Operation type: | Unknown |
Production size: | No production occurred |
Development status: | Occurrence |
gangue: | Chalcopyrite, Galena, Pyrite, Quartz, Sericite, Sphalerite |
orebody_fm: | VEIN |
work_type: | Surface/Underground |
model: | 151: Epithermal vein, Sado |
alteration: | Silicification, Oxidation And Supergene (?). Andesite Is Totally Silicified Where Stockwork Quartz Veins Are Dense. Other Alteration Minerals Includes Chlorite, Hematite, Goethite, Jarosite |
Reporter: | Cox, Dennis P. |
hrock_unit: | Aguacate Formation |
hrock_type: | Andesite |
arock_unit: | Aguacate Formation |
arock_type: | Andesite |
Structure: | Post-Mineralization Faults Are Common |
References: |
- Deposit:: BENNETT, EVAN, 1939, GOLD MINING IN COSTA RICA: ENG. MIN. J., V. 140, NO. 1, P. 56-58.
- Deposit:: GONZALO MONCADA, OWNER, ORAL COMMUNICATION, 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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