CANADIAN AND WORLD MINERAL DEPOSIT DATABASES
Geological Survey of Canada


 
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): Porvenir
Longitude / Latitude: -68.50000 / -17.02500
Political location(s): Bolivia; Province or state: La Paz; Nearest community: Pisaqueri
Deposit clan (type): sediment-hosted copper
Deposit (sub) types: continental redbed; chalcocite, covellite and malachite replace organic matter in sandstone
Geologic province: Altiplano
Geologic subprovince: Ulloma Domain
Commodities: Cu; Ag
Mineralization styles: replacement
Geological ages: Miocene (host rocks)
Tectonic setting: continental basin-foreland; transpressive (host rocks)
Coincident features: organic matter
Host rocks: (1) sedimentary; sandstone
Host rock stratigraphy:Vetas Formation
Mineralogy: (ore): chalcocite, covellite, malachite
Qualified comments: (Applies to: miscellaneous comments) chalcocite, covellite and malachite replace organic matter in sandstone; some hand-picked ore contained 18% copper and 122 g/mt Ag
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): Porvenir Mine (2)

Generated 2015-01-27 17:26:42 with GQuery -- 3.7 ADO (3.19..3.22 -- 2008-12-16)
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