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): San Francisco; La Casualidad-San Francisco
Longitude / Latitude: -68.73111 / -16.75417
Political location(s): Bolivia; Province or state: La Paz; Nearest community: Siempre Adelante Mine
Deposit clan (type): sediment-hosted copper
Deposit (sub) types: continental redbed; chalcocite, covellite, malachite and azurite replacing organic matter in sandstone
Geologic province: Altiplano
Geologic subprovince: Ulloma Domain
Commodities: Cu
Geological ages: Miocene (host rocks)
Tectonic setting: continental basin-foreland; transpressive (host rocks)
Coincident features: organic matter
Regional tectonic structure: anticline (west flank)
regional faulting (northwest-striking reverse fault)
Host rocks: (1) sedimentary; sandstone-conglomerate
Host rock stratigraphy:Huayllamarca Formation
Qualified comments: (Applies to: miscellaneous comments) chalcocite, covellite, malachite and azurite replacing organic matter in sandstone; lenses 0.9 to 1.9 m thick; west flank of anticline near a nw-trending reverse fault
References:
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): San Francisco Mine (53)

Generated 2015-01-27 17:26:59 with GQuery -- 3.7 ADO (3.19..3.22 -- 2008-12-16)
GlobalDB System, Geological Survey of Canada, Natural Resources Canada