CANADIAN AND WORLD MINERAL DEPOSIT DATABASES
Geological Survey of Canada


Deposit number Country Location Names Commodities
1067 Bolivia (Potosi) 21.42.49 S -- 067.28.02 W 25 de Julio (Peña Blanca) Cu
 
Database name: World Sediment-Hosted Cu Deposits
Compilers: R. V. Kirkham, J. J. Carriere, A. Rafer, and P. Born
Release date: 2015-01-27
   
Deposit name(s): 25 de Julio (Peña Blanca)
Political location(s): Bolivia; Province or state: Potosi; Nearest community: Mallcu Cueva (5 km NNE)
Deposit clan (type): sediment-hosted copper
Deposit (sub) types: continental redbed; veins contain native copper, cuprite, malachite, azurite, chrysocolla, hematite and limonite
Geologic province: Altiplano-Cordillera Occidental
Commodities: Cu
Mineralization styles: vein(s)
Geological ages: Late Oligocene - Middle Miocene (host rocks)
Tectonic setting: continental-foreland (host rocks)
Regional tectonic structure: regional thrust (west flank of a thrusted block of Ordovician metasediments)
Host rocks: (1) sedimentary; conglomerate
Host rock stratigraphy:San Vicente Formation
Mineralogy: (veins): native copper, cuprite, malachite, azurite, chrysocolla, hematite, limonite
Qualified comments: (Applies to: miscellaneous comments) veins contain native copper, cuprite, malachite, azurite, chrysocolla, hematite and limonite; three sets of veins 1-25 cm wide, steeply dipping cutting conglomerate
References:
Cox, D. P.; Carrasco, R.; André-Tamos, O.; Hinojosa-Velasco, A.; Long, K. R., 1992
Copper Deposits in Sedimentary Rocks
Section Geology of Known Mineral Deposits, in Geology and Mineral Resources of the Altiplano and Cordillera Occidental, Bolivia, Edited by United States Geological Survey; Servicio Geologico de Bolivia, Bulletin, U.S. Geological Survey, 1975, 365 p., 8 maps, p. 95 - 108

Long, K. R., 1992
Mines, Prospects, and Mineral Occurrences, Altiplano and Cordillera Occidental, Bolivia
Appendix A, in Geology and Mineral Resources of the Altiplano and Cordillera Occidental, Bolivia, Edited by United States Geological Survey; Servicio Geologico de Bolivia, Bulletin, U.S. Geological Survey, 1975, 365 p., 8 maps, p. 244 - 272

Richter, D. H.; Luddington, S.; Soria-Escalante, E., 1992
Geological Setting
in Geology and Mineral Resources of the Altiplano and Cordillera Occidental, Bolivia, Edited by United States Geological Survey; Servicio Geologico de Bolivia, Bulletin, U.S. Geological Survey, 1975, 365 p., 8 maps, p. 14 - 24

Associated mine(s): 25 de Julio (Peña Blanca) Mine (76)
Associated group(s): Serrania de las Minas Area (15)

Generated 2015-01-27 17:13:54 with GQuery -- 3.7 ADO (3.19..3.22 -- 2008-12-16)
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