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): |
Dongchuan |
Political location(s): |
China; Province or state: Yunnan; Nearest community: Dongchuan |
Deposit clan (type): |
sediment-hosted copper |
Deposit (sub) types: |
paralic marine; in algal dolomite within rippled stromatolites |
Commodities: |
Cu |
Geological ages: |
Middle Proterozoic - Late Proterozoic (host rocks) |
Tectonic setting: |
continental marginal basin-arch; stable (host rocks) |
Host rocks: |
(1) sedimentary; mudstone-carbonate-siltstone; Depositional setting: shallow marineIndividual lithologies: | dolomite (algal-bearing) dolomite (arenaceous) slate slate | Host rock stratigraphy: | Kunyang Group,Yinmin Purple Beds, Luoxue Formation |
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Qualified comments: |
(Applies to: miscellaneous comments) in algal dolomite within rippled stromatolites; 3 deposits:Yyinmin, Laoxue, Tandan approx 2-8 km apart; some metamorphism; Cu in transitional beds between purple beds and dolomites |
References: |
Chongying, R., 1981 |
On the Sedimentary Environment and Diagenetic Metallogenesis of Dongchuan-type Stratiform Copper Deposit in the Kangdian Earths Axis |
Geochimica, Volume 2, p. 119 - 126 |
Chongying, R., 1989 |
Dougchuan-type Stratabound Copper Deposits, China: A Genetic Model |
in Sediment Hosted Stratiform Cu Deposits, Ottawa, May 1986, Edited by Boyle, R. W.; Brown, A. C.; Jefferson, C. W.; Jowett, E. C.; Kirkham, R. V., Special Paper, Geological Association of Canada, 36, 710 p, p. 667 - 677 |
Fan, P. -F., 1984 |
Geologic Setting of Select Copper Deposits of China |
Economic Geology, Volume 79, p. 1785 - 1795 |
Gong, L.; Wang, C., 1981 |
On the Origin of Dongchuan-type Copper Deposit |
Scientia Geologica Sinica, Volume 3, p. 211 - 220 |
Li, H.; P'an, K.; Yang, C.; Ts'ai, C., 1968 |
Copper-Bearing Sandstone (Shale) Deposits of Yunnan |
International Geology Review, Volume 10, p. 870 - 882 |
Wang, K., 1982 |
Geochemical Characteristics of Sedimentation and Metamorphism of Dongchuan Copper Deposit, Yunnan Province |
Mineral Deposits, Volume 1, p. 68 - 68 |
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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: 1984; 9,071,847 metric ton ore; Combined with production?: no; Provisional entry?: yes; Resource category: estimated reserveGrade-commodity information: | Cu: 3.5 percent | Reference: Fan, P. -F., 1984: Geologic Setting of Select Copper Deposits of China; Economic Geology, Volume 79, p. 1785 - 1795 Percent weights allocated to deposit: 100.0%
300,000,000 metric ton ore; Combined with production?: no; Provisional entry?: yes; Resource category: questionable dataGrade-commodity information: | Cu: 1 percent | Reference: Fan, P. -F., 1984: Geologic Setting of Select Copper Deposits of China; Economic Geology, Volume 79, p. 1785 - 1795 Percent weights allocated to deposit: 100.0% |