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): |
Las Vigas Formation |
Political location(s): |
Mexico; Nearest community: Las Vigas |
Deposit clan (type): |
sediment-hosted copper |
Deposit (sub) types: |
continental redbed; as indistinct pockets and lenses in calcareous rock |
Geologic province: |
Cordillera |
Commodities: |
Cu; Ba |
Geological ages: |
Early Cretaceous (host rocks) |
Tectonic setting: |
continental marginal basin-foreland; stable (host rocks) |
Host rocks: |
(1) sedimentary; carbonate-sandstone-siltstone; Magma series/sedimentary package/metamorphic group: red bed; Depositional setting: shallow marineIndividual lithologies: | siltstone sandstone limestone | Host rock stratigraphy: | Las Vigas Formation |
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Qualified comments: |
(Applies to: miscellaneous comments) as indistinct pockets & lenses in calcareous rock; deposits form belt 100 by 250 km/marginally economic/modest production; in places mineralization in roll form or associated with fossil wood |
References: |
Clark, K. F., 1978 |
Distribution of Mineralization in Time and Space in Chihuahua, Mexico |
Mineralium Deposita, Volume 13, p. 27 - 49 |
Price, J. G.; Rubin, J. N.; Tweedy, S. W., 1988 |
Geochemistry of the Vigas Red-Bed Copper Deposit, Chihuahua, Mexico |
Economic Geology, Volume 83, p. 1993 - 2001 |
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Production data: |
25,000 metric ton ore; Provisional entry?: yesGrade-commodity information: | Cu: 5 percent Ag: 14 grams/metric ton | Reference: Price, J. G.; Rubin, J. N.; Tweedy, S. W., 1988: Geochemistry of the Vigas Red-Bed Copper Deposit, Chihuahua, Mexico; Economic Geology, Volume 83, p. 1993 - 2001 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. |
200,000 metric ton ore; Combined with production?: no; Provisional entry?: yes; Resource category: possible and inferred reserveGrade-commodity information: | Cu: 3 percent Pb: 0.005 percent Zn: 0.03 percent Au: 0.02 grams/metric ton Ag: 9 grams/metric ton | Reference: Price, J. G.; Rubin, J. N.; Tweedy, S. W., 1988: Geochemistry of the Vigas Red-Bed Copper Deposit, Chihuahua, Mexico; Economic Geology, Volume 83, p. 1993 - 2001 Percent weights allocated to deposit: 100.0% |