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): Llanquera; San Miguel; Llanquera - San Miguel
Longitude / Latitude: -67.73917 / -17.98861
Political location(s): Bolivia; Province or state: Oruro; Subprovince or locality: Serrania de Huayllamarca; Nearest community: Llanquera
Deposit clan (type): sediment-hosted copper
Deposit (sub) types: continental redbed; chalcocite, malachite, and azurite are observed in a manto extending discontinuously for over 10 km in the huayllamarca formation
Geologic province: Altiplano
Commodities: Cu
Mineralization styles: stratabound replacement
Geological ages: Miocene (host rocks)
Tectonic setting: continental marginal basin-foreland; transpressive (host rocks)
Regional tectonic structure: anticlinorium (Chuquichambi Formation in core and Huayllamarca Formation in mantle)
Host rocks: (1) sedimentary; sandstone
Host rock stratigraphy:Huayllamarca Formation
Country rocks: (1) sandstone-conglomerate; Country rock name: Huayllamarca Formation
(2) marl-gypsum; Country rock name: Chuquichambi Formation
Qualified comments: (Applies to: miscellaneous comments) chalcocite, malachite, and azurite are observed in a manto extending discontinuously for over 10 km in the Huayllamarca formation; gypsum beds of the Chuquichambi formation occur to the east
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

Resource data:
Disclaimer - Reserves/Resource Data

Her Majesty the Queen in Right of Canada, represented by the Minister of Natural Resources (NRCan) does not warrant or guarantee the accuracy, completeness or fitness for any purpose of Reserve and Resource information (Data) contained in this database, including whether the Data is compliant with any securities regulations or standards, and NRCan does not assume any liability with respect to any damage or loss incurred as a result of the use made of the Data.

Resource and reserve figures are historical in nature. The Data source provided with each set of figures should be cited if the Data are re-reported.

325,000 metric ton ore; Combined with production?: no; Provisional entry?: yes; Resource category: reserve
Grade-commodity information:Cu: 5 percent
Reference: 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
Percent weights allocated to deposit: 100.0%
Associated mine(s): Llanquera-San Miguel Prospects (57)

Generated 2015-01-27 17:26:39 with GQuery -- 3.7 ADO (3.19..3.22 -- 2008-12-16)
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