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): |
María Elena; Maria Elena |
Longitude / Latitude: |
-68.69583 / -16.75139 |
Political location(s): |
Bolivia; Province or state: Oruro; Nearest community: Laguacollo |
Deposit clan (type): |
sediment-hosted copper |
Deposit (sub) types: |
continental redbed; chalcocite, azurite and malachite replace organic matter in sandstone |
Geologic province: |
Altiplano |
Commodities: |
Cu |
Mineralization styles: |
stratabound replacement |
Geological ages: |
Oligocene - Miocene (host rocks) |
Tectonic setting: |
continental basin-foreland; transpressive (host rocks) |
Coincident features: |
organic matter (fossil plants) |
Regional tectonic structure: |
anticlinorium |
Host rocks: |
(1) sedimentary; sandstoneHost rock stratigraphy: | Huayllamarca Formation |
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Qualified comments: |
(Applies to: miscellaneous comments) chalcocite, azurite and malachite replace organic matter in sandstone; seven mantos up to 180 m long and 0.6 to 1.4 m thick; mantos strike 120 degrees and dip 16-65 S |
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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Production data: |
Report period: from 1967; 6 metric ton concentrate; Provisional entry?: yes; Yearly or summary?: M 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): |
Maria Elena Mine (11) |