Mineral Resource Map
Mine detail: Triangle and Grass Widow Mines
Previously called 'Morning Mine'
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Location
| Lat / long: | 46.79045, -113.66844 |
Resource(M)
| Primary: | Copper |
| Secondary: | Silver, Gold |
| Ore: | Ankerite, Chalcopyrite, Gold, Specularite |
| Gangue: | Calcite, Quartz |
Production
| Operation type: | Unknown |
| Production size: | Small |
| Development status: | Past Producer |
Geology
| Host type: | Diorite |
| Associated rock: | Clinton Stock |
| Associated type: | Diorite |
| Structure: | Bearmouth Overthrust, Clinton Stock |
| Alteration processes: | Sericitization, Oxidation |
References
| MRDS | DC11199 |
| DEP | 10102020 |
| Reference | {Deposit:: USGS BULL 660 P. 228-9.}{Deposit:: MBMG BULL 8, P. 36-37.} |
| Reporter | Unknown, Wise, Kristine K. (Elliott, James E.) |