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): Ana Maria
Longitude / Latitude: -68.88750 / -16.60833
Political location(s): Bolivia; Province or state: Oruro; Nearest community: Jankomarca
Deposit clan (type): sediment-hosted copper
Deposit (sub) types: continental redbed; chalcocite, malachite and azurite as replacements of fossil plants in sandstone
Geologic province: Altiplano
Geologic subprovince: Ulloma Domain
Commodities: Cu
Geological ages: Early Tertiary (host rocks)
Tectonic setting: continental basin-foreland; transpressive (host rocks)
Coincident features: organic matter (fossil plants)
Host rocks: (1) sedimentary; sandstone-siltstone
Host rock stratigraphy:Huayllamarca Formation
Qualified comments: (Applies to: miscellaneous comments) chalcocite, malachite and azurite as replacements of fossil plants in sandstone; lenses up to 80 cm thick; strata are folded into NW-trending anticline
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

Production data: Report period: from 1959 until 1967; 485 metric ton ore and conc; Provisional entry?: yes; Yearly or summary?: S
Grade-commodity information:Cu: 3 percent
Reference: Guerra, M.; Ascarrunz, K. R., 1964: Informe Sobre Orientacion Tecnica Mina Cuprifera Ana Maria; Informe, Bolivia Departamento Nacional de Geologia, Publication code DNG-M-337, 6 p.
Percent weights allocated to deposit: 100.0%



Report period: from 1959 until 1967; 485 metric ton ore and conc; Provisional entry?: yes
Grade-commodity information:Cu: 10 percent
Reference: Vargas, W., 1967: Valuacion de Yacimientos de Cobre, Primera Parte, Corocoro-Guaqui; Informe, Servicio Geologico de Bolivia, Publication code LP-24, 36 p.
Percent weights allocated to deposit: 100.0%
Associated mine(s): Ana Maria Mine (8)

Generated 2015-01-27 17:26:53 with GQuery -- 3.7 ADO (3.19..3.22 -- 2008-12-16)
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