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): |
Wolf Creek |
Political location(s): |
United States; Province or state: Montana |
Deposit clan (type): |
sediment-hosted copper |
Deposit (sub) types: |
undifferentiated; in green siltst beds/phosphatic unit/oolitic lmsn |
Commodities: |
Cu; Ag |
Geological ages: |
Middle Proterozoic (host rocks) |
Host rocks: |
(1) sedimentary; carbonate-sandstone-siltstoneIndividual lithologies: | limestone siltstone (green and red) sandstone | Host rock stratigraphy: | Spokane Fm/ Ravalli Group, Belt Supergroup |
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Qualified comments: |
(Applies to: miscellaneous comments) in green siltst beds/phosphatic unit/oolitic lmsn; 4 mineralized beds within 23 metre-thick section of Spokane Formation; Cu conc up to 1% & Ag conc up to 29 ppm occur in the oolitic limestone |
References: |
Lange, I. M.; Moore, J. N.; Krouse, H. R., 1987 |
Diagenesis and Copper Mineralization in Carbonates in the Spokane Formation, Belt Supergroup, at Wolf Creek, Montana |
Economic Geology, Volume 82, p. 1334 - 1347 |
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