Mineral Resource Map
Mine detail: Keokirk-Elm Orlu Group
Previously called 'Keokuk'
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Location
| Lat / long: | 45.59156, -112.937 |
Resource(M)
| Primary: | Silver, Copper |
| Secondary: | Gold |
| Gangue: | Pyrite, Quartz |
| Orebody form: | IRREGULAR, TABULAR |
| Discovery year: | 1872 |
Production
| Operation type: | Unknown |
| Deposit type: | Replacement |
| Production size: | Small |
| Development status: | Past Producer |
Geology
| Host rock: | Hasmark;Park Formation |
| Host type: | Dolomite |
| Associated rock: | Quartz Monzonite |
| Associated type: | Quartz Monzonite |
References
| MRDS | D004822 |
| DEP | 10010831 |
| Reference | {Deposit:: MBMG MEM 25, P. 74-78.}{Deposit:: MBMG BULL 85, P. 115-118.}{Deposit:: 1948 COMPILE M.B.M.G. MEM. 2}{Production:: M.B.M.G. BULL. 85.} |
| Reporter | Loen, Jeffrey S. (Pearson, Robert C.) |