Guanacaste
Occurrence

Los Bolillos Mine

Guanacaste, Costa Rica
Manganese
⌖ Show on mapUSGS source ↗
Commodities
PrimaryManganese
Commodity typeM
Deposit
Model97: Volcanogenic Mn
Deposit sizeN
Orebody formPOCKETS AND VEINLETS IN JASPER ZONE
Geology
Host rockBasalt
Tectonic settingNicoya Ophiolite Complex
Economic & production
Development statusOccurrence
Identification
Deposit ID10007851
MRDS IDCS00080
Alternate namesRoberts 1944 Reports That Mine May Formerly Have Been Called El, Pavo Or Las Masas. Sears 1919 Calls These Deposits El Pavo and Las, Mesas, As Prospects In the Lagarto Area. Includes the Pozo Azul and Pozo, Norte Workings.
RegionNA
Data scoreB
Coordinates10.1358, -85.70274
References
SEARS, J. D., 1919, DEPOSITS OF MANGANESE ORE IN COSTA RICA: U.S. GEOL. SURV. BULL. 710-C, P. 71-72.ROBERTS, R. J., 1944, MANGANESE DEPOSITS IN COSTA RICA: U.S. GEOL. SURV. BULL. 935-H, P. 403.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.ROBERTS (1944)