Mine detail: Playa Blanca Prospect

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Location: Guanacaste, Costa Rica, North America
Lat / long: 10.43439, -85.79164
dep_id: 10007809
mrds_id: CS00024
Commodity type: metallic
Major mineral: Manganese
Operation type: Unknown
Production size: No production occurred
Development status: Occurrence
ore: Psilomelane, Pyrolusite
orebody_fm: TABULAR
model: 97: Volcanogenic Mn
alteration: Silicification
Reporter: Howe, Stephen S., Mosier, Dan
hrock_type: Shale
tectonic: Nicoya Ophiolite Complex
References:
  • Deposit:: ROBERTS, R. J., 1944, MANGANESE DEPOSITS IN COSTA RICA: U.S. GEOL. SURV. BULL. 935-H, P. 395.
  • 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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