Database name: |
World Sediment-Hosted Cu Deposits |
Compilers: |
R. V. Kirkham, J. J. Carriere, A. Rafer, and P. Born |
Release date: |
2015-01-27 |
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Deposit name(s): |
Llanquera; San Miguel; Llanquera - San Miguel |
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; sandstoneHost rock stratigraphy: | Huayllamarca Formation |
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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 |
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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: reserveGrade-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) |
Associated group(s): |
Chuquichambi Area (11) |