Mineral Resource Map
Mine detail: Midnight Mine
Previously called 'Imperial'
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Location
| Lat / long: | 46.33545, -113.2712 |
Resource(B)
| Primary: | Silver |
| Secondary: | Copper, Manganese |
| Tertiary: | Barium-Barite |
| Ore: | Copper |
| Gangue: | Barite, Calcite, Quartz |
Production
| Operation type: | Unknown |
| Deposit type: | Replacement Vein |
| Production size: | Small |
| Development status: | Past Producer |
Geology
| Host rock: | Hasmark Formation |
| Host type: | Dolomite |
| Associated rock: | Philipsburg Batholith |
| Associated type: | Diorite |
| Structure: | Philipsburg Batholith, Philipsburg Anticline, Philipsburg Overthrust |
References
| MRDS | DC11561 |
| DEP | 10019796 |
| Reference | {Deposit:: USGS PP 78, P. 211.}{Deposit:: USGS BULL 1237.} |
| Reporter | Wise, Kristine K. (Elliott, James E.), Unknown |