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): Chacarilla; Chacarilla District
Longitude / Latitude: -68.20000 / -17.58333
Political location(s): Bolivia; Nearest community: Corocoro (94 km SSE)
Deposit clan (type): sediment-hosted copper
Deposit (sub) types: continental redbed; in sandstone/ native cu partly replaces ss cement
Geologic province: Altiplano
Geologic subprovince: Ulloma Domain
Commodities: Cu; Ag
Mineralization styles: stratabound; replacement
Geological ages: Early Miocene - Middle Miocene (host rocks)
Qualified comments: (Applies to: miscellaneous comments) in sandstone/ native Cu partly replaces ss cement; several orebodies: chalcocite close to anticline centre; native Cu in outer zone; sulphide orebodies have up to 10-20% chalcocite/ native Cu only 5-10%
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

Ljunggren, P., 1964
The Copper Mineralization in the Corocoro Basin, Bolivia
Economic Geology, Volume 59, p. 110 - 125

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

Production data: Report period: from 1963 until 1976; 1,457,000 metric ton ore; Provisional entry?: yes; Yearly or summary?: S
Grade-commodity information:Cu: 2.55 percent
Reference: 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
Percent weights allocated to deposit: 100.0%



Report period: from 1952 until 1959; 4,865 metric ton concentrate; Provisional entry?: yes; Yearly or summary?: S
Grade-commodity information:Cu: 20.1 percent
Reference: 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
Percent weights allocated to deposit: 100.0%
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.

Estimate date: 1965; 816,466.3 metric ton ore; Combined with production?: no; Provisional entry?: yes; Resource category: resource
Grade-commodity information:Cu: 4 percent
Reference: McMahon, A. D., 1965: Copper: A Materials Survey; Information Circular, United States Bureau of Mines, Publication code 8225, 340 p.
Percent weights allocated to deposit: 100.0%


813,000 metric ton ore; Combined with production?: no; Provisional entry?: no; Resource category: possible reserve
Grade-commodity information:Cu: 3 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%

Generated 2015-01-27 17:26:32 with GQuery -- 3.7 ADO (3.19..3.22 -- 2008-12-16)
GlobalDB System, Geological Survey of Canada, Natural Resources Canada