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): |
Witvlei |
Political location(s): |
Namibia; Nearest community: Witvlei |
Deposit clan (type): |
sediment-hosted copper |
Deposit (sub) types: |
undifferentiated; in calcareous argillite overlying opdam lavas |
Commodities: |
Cu; Ag |
Geological ages: |
Middle Proterozoic - Proterozoic (host rocks) |
Tectonic setting: |
continental marginal rift-graben; divergent (host rocks) |
Host rocks: |
(1) sedimentary; mudstoneIndividual lithologies: | argillite (calcareous - dark greenish grey - red) | Host rock stratigraphy: | Klein Aub Formation, Sinclair Sequence Equivalent |
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Qualified comments: |
(Applies to: miscellaneous comments) in calcareous argillite overlying opdam lavas; 3 prospects: Pos-5.2, Cu causeway-8.2, Malachite pan; 14 km n of Witvlei; Cu derived from underlying lava/solutions react with diagenetic pyrite |
References: |
Anhaeusser, C. R.; Button, A., 1973 |
A Petrographic and Mineragraphic Study of the Copper-Bearing Formations in the Witvlei Area, Southwest Africa |
Transactions of the Geological Society of South Africa, Volume 76, p. 279 - 299 |
Maiden, K. J.; Innes, A. H.; King, M. J.; Master, S.; Pettitt, I., 1984 |
Regional Controls on the Localization of Stratabound Copper Deposits: Proterozoic Examples from Southern Africa and South Australia |
Precambrian Research, Volume 25, p. 99 - 118 |
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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. |
6,000,000 metric ton ore; Combined with production?: no; Provisional entry?: yes; Resource category: combined estimate - Dordabis and WitvleiGrade-commodity information: | Cu: 2 percent Ag: 30 grams/metric ton | Reference: Borg, G., 1986: Personal Communication Percent weights allocated to deposit: 100.0% |