Mica Mines in Montana
38Total Sites
2Active
Mica Mining in Montana
Montana has 38 mica-related mine and mineral deposit locations recorded in federal databases. Of these, 2 are currently active operations. Data comes from the USGS Mineral Resources Data System and MSHA Mine Safety and Health Administration records.
By County
| County | Sites |
|---|---|
| Madison County | 27 |
| Beaverhead County | 3 |
| Gallatin County | 3 |
| Cascade County | 1 |
| Lewis and Clark County | 1 |
| Lincoln County | 1 |
| Missoula County | 1 |
| Treasure County | 1 |
Mica Mines
| Mine | County | Type | Status |
|---|---|---|---|
| Black Diamond Mica Mine | Missoula | Producer | |
| Thumper Lode #1 | Gallatin | Surface | Producer |
| Adelaine Hollow Muscovite | Madison | Occurrence | |
| Anvil | Madison | Surface | Occurrence |
| Beehive Basin | Madison | Unknown | |
| Big Chief Mine | Madison | Surface-Underground | Prospect |
| Big Chief Prospect | Madison | Past Producer | |
| Bompart Homestead | Lewis and Clark | Occurrence | |
| Connie Mo Mine | Madison | Surface | Prospect |
| Dulea Mine | Madison | Surface | Prospect |
| Lawyer Deposit | Madison | Occurrence | |
| Lucky Boy Pegmatite | Cascade | Surface | Prospect |
| Meeker and Greene Mica Mine | Madison | Surface | Prospect |
| Merlin Group | Madison | Surface-Underground | Prospect |
| Mica Chief Mine | Madison | Surface | Prospect |
| Mica Occurrence | Madison | Surface | Prospect |
| Moger Mica Claim | Madison | Surface | Prospect |
| Montana Mine | Madison | Underground | Prospect |
| Morgan Gulch Mica | Madison | Unknown | |
| Ramshorn Creek | Madison | Unknown | |
| Ramshorn Creek Deposits | Madison | Occurrence | |
| Rim Rock | Madison | Surface | Prospect |
| Rim Rock Deposit | Madison | Occurrence | |
| Sappington Mica Mine | Madison | Surface | Unknown |
| Sparkle Mine | Beaverhead | Occurrence | |
| Steffens Prospect | Treasure | Occurrence | |
| Thompson #1 | Gallatin | Surface | Occurrence |
| Thumper Lode Mica Mine | Gallatin | Past Producer | |
| Unnamed Chlorite & Sericite | Lincoln | Occurrence | |
| Unnamed Mica | Madison | Unknown | |
| Unnamed Mica | Beaverhead | Occurrence | |
| Unnamed Mica | Madison | Unknown | |
| Unnamed Mica Deposit | Madison | Occurrence | |
| Unnamed Mica Deposit | Madison | Past Producer | |
| Unnamed Mica Deposit | Madison | Occurrence | |
| Unnamed Mica Occurrence | Beaverhead | Occurrence | |
| White Swan Deposit | Madison | Past Producer | |
| White Swan Property | Madison | Surface | Prospect |