Mine detail: Miramar Prospect

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Location: Guanacaste, Costa Rica, North America
Lat / long: 10.37607, -85.84164
dep_id: 10007820
mrds_id: CS00038
Commodity type: metallic
Major mineral: Manganese
Operation type: Unknown
Production size: No production occurred
Development status: Occurrence
model: 97: Volcanogenic Mn
alteration: Silicification
Reporter: Howe, Stephen S., Mosier, Dan
hrock_type: Shale
Structure: Low-Angle Fault Striking Nw And Dipping 35 Ne
tectonic: Nicoya Ophiolite Complex?
References:
  • Deposit:: WEBBER, B. N., 1942, MANGANESE DEPOSITS OF COSTA RICA, CENTRAL AMERICA: AM. INST MIN. METALL. PETROL. ENG. TECH. PUB. 1445, P. 5-6.
  • Deposit:: KUYPERS, E. P., AND DENYER CH., PERCY, 1979, LOS YACIMIENTOS MANGANESIFEROS DE LAS RADIOLARITAS DEL COMPLEJO OFIOLITICO DE NICOYA, COSTA RICA: CIENC. TEC., V. 3, NO. 1, P. 81-97.
  • 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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