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): |
Pedra Verde |
Political location(s): |
Brazil |
Deposit clan (type): |
sediment-hosted copper |
Deposit (sub) types: |
undifferentiated; in black phyllite of pedra verde member |
Commodities: |
Cu |
Geological ages: |
Late Proterozoic (host rocks) |
Host rocks: |
(1) sedimentary; mudstoneIndividual lithologies: | mudstone (metapelitic - carbonaceous) | Host rock stratigraphy: | Martinopolis Group, Mambira Fm, Pedra Verde Member |
(2) metamorphic; metasedimentary schistIndividual lithologies: | phyllite |
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Qualified comments: |
(Applies to: miscellaneous comments) in black phyllite of Pedra Verde member; ore minerals follow well defined zoning from hanging-wall to footwall; phyllite occurs just below enriched zone of iron oxide (red zone) |
References: |
Brizzi, A. S.; Roberto, F. A., 1988 |
Jazida de Cobre de Pedra Verde, Vicosa Do Ceara, Ceara |
in Os Principais Depositos Minerais Do Brasil, Edited by Schobbenhaus, C.; Coelho, C. E. S., Principal Deposits of Brazil, Volume 3, 670 p, p. 74 - 80 |
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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: 1987; 11,500,000 metric ton ore; Combined with production?: no; Provisional entry?: yes; Resource category: estimated resourceGrade-commodity information: | Cu: 1 percent Ag: 10 grams/metric ton | Reference: Schobbenhaus, C.; Coelho, C. E. S. (Editor(s)), 1988: Os Principais Depositos Minerais Do Brasil; Principal Deposits of Brazil, Volume 3, 670 p. Percent weights allocated to deposit: 100.0% |