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): |
Alaska |
Political location(s): |
Zimbabwe; Nearest community: Sinoia (20 km W) |
Deposit clan (type): |
sediment-hosted copper |
Deposit (sub) types: |
continental redbed; in meta-arkose |
Commodities: |
Cu |
Geological ages: |
Early Proterozoic (host rocks) |
Tectonic setting: |
continental marginal basin-graben; divergent (host rocks) |
Host rocks: |
(1) sedimentary; sandstoneIndividual lithologies: | sandstone (arkosic) greywacke | Host rock stratigraphy: | Deweras Group |
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Qualified comments: |
(Applies to: miscellaneous comments) in meta-arkose; ore zone 1400 ft long on surface/ secondary enriched orebody; these carbonate rocks are enclosed in breccia in an oval-shaped basin |
References: |
Anonymous, 1971 |
Rhodesian Copper Prospects |
Mining Magazine, Vol. 124 No. 4 issue, p. 263 |
Davidson, C. F., 1965 |
A Possible Mode of Origin of Strata-Bound Copper Ores |
Economic Geology, Volume 60, p. 942 - 954 |
Jacobsen, W. B., 1964 |
The Geology of the Alaska Mine |
in The Geology of Some Ore Deposits in Southern Africa, Edited by Haughton, S. H., Deposits of Some Minerals Outside the Witwatersrand Basin, Geological Society of South Africa, Johannesburg, 2, 735 p, p. 353 - 366 |
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 |
Von Rahden, H. V., 1984 |
Copper Mineralization at the Shackleton Mine Zimbabwe-Syngenetic Or Epigenetic? |
in Syngenesis and Epigenesis in the Formation of Mineral Deposits, Edited by Wauschkuhn, A.; Kluth, C.; Zimmermann, R. A., Springer-Verlag Berlin Heidelberg, 653 p, p. 193 - 211 |
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Production data: |
Report period: from 1964 until 1970-09; 252,197.4 metric ton ore; Provisional entry?: yes; Yearly or summary?: SGrade-commodity information: | Cu: 0.95 percent | Reference: Anonymous, 1971: Rhodesian Copper Prospects; Mining Magazine, April issue, p. 263 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. |
Estimate date: 1970-09; 326,586.5 metric ton ore; Combined with production?: no; Provisional entry?: yes; Resource category: resource ?Grade-commodity information: | Cu: 2.08 percent | Reference: Anonymous, 1971: Rhodesian Copper Prospects; Mining Magazine, April issue, p. 263 Percent weights allocated to deposit: 100.0%
Estimate date: 1984; 6,000,000 metric ton ore; Combined with production?: no; Provisional entry?: yes; Resource category: estimated total geological resourceGrade-commodity information: | Cu: 1.2 percent | Reference: Maiden, K. J.; King, M. J.; Innes, A. H.; 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 Percent weights allocated to deposit: 100.0%
Estimate date: 1980; 525,259.9 metric ton ore; Combined with production?: no; Provisional entry?: yes; Resource category: proven resourceGrade-commodity information: | Cu: 1.11 percent | Reference: United States Bureau of Mines (Editor(s)), 1980: Minerals Yearbook 1980; Volume, United States Bureau of Mines, 3 Percent weights allocated to deposit: 100.0% |