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): |
Bushman Group |
Political location(s): |
Botswana |
Deposit clan (type): |
sediment-hosted copper |
Deposit (sub) types: |
undifferentiated; in lenses of graphitic quartzite within limestone |
Commodities: |
Cu |
Geological ages: |
Paleoproterozoic (host rocks) |
Tectonic setting: |
continental marginal basin; unstated (host rocks) |
Host rocks: |
(1) sedimentary; quartzite-carbonate; Depositional setting: shallow marine (reducing); Metamorphic grade: greenschistIndividual lithologies: | quartzite (graphitic) |
(2) metamorphic; metasedimentary schistIndividual lithologies: | metasedimentary schist |
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Qualified comments: |
(Applies to: miscellaneous comments) in lenses of graphitic quartzite within limestone; three ore zones-(from south to north): Erasmus, Bushman, Mapanipani; intense shearing responsible for present configuration of orebodies |
References: |
Baldock, J. W.; Hepworth, J. V.; Marengwa, B. S., 1976 |
Gold, Base Metals and Diamonds in Botswana |
Economic Geology, Volume 71, p. 139 - 156 |
Baldock, J. W., 1977 |
Resources Inventory of Botswana: Metallic Minerals, Mineral Fuels and Diamonds |
Mineral Resources Report, Botswana Geological Survey Department, Publication code 4, 65 p. |
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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: 1976; 2,000,000 metric ton ore; Combined with production?: no; Provisional entry?: yes; Resource category: estimated geological resourceGrade-commodity information: | Cu: 2 percent | Reference: Baldock, J. W.; Hepworth, J. V.; Marengwa, B. S., 1976: Gold, Base Metals and Diamonds in Botswana; Economic Geology, Volume 71, p. 139 - 156 Percent weights allocated to deposit: 100.0%
24,000,000 metric ton ore; Combined with production?: no; Provisional entry?: yes; Resource category: preliminary resourceGrade-commodity information: | Cu: 2.99 percent | Reference: Anonymous, 1995: Venture Combines Acadia, Two Offshore Companies; The Northern Miner, December 25 issue, p. 16 Percent weights allocated to deposit: 100.0% |