CANADIAN AND WORLD MINERAL DEPOSIT DATABASES
Geological Survey of Canada


Deposit number Country Location Names Commodities
297 Mexico 29.21.48 N -- 105.04.10 W Las Vigas Formation Cu; Ba
 
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): 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 marine
Individual lithologies:siltstone
sandstone
limestone
Host rock stratigraphy:Las Vigas Formation
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

Production data: 25,000 metric ton ore; Provisional entry?: yes
Grade-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 reserve
Grade-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%

Generated 2015-01-27 17:17:09 with GQuery -- 3.7 ADO (3.19..3.22 -- 2008-12-16)
GlobalDB System, Geological Survey of Canada, Natural Resources Canada