| Camp Creek | iron | |
| Carbon County | ||
| Marie Mine | tyuyamunite | |
| Carter County | calcite | |
| Gallatin County | ||
| Bear Trap Mine | baddeleyite | |
| Granite County | ||
| Black Pine Mine | beudantite, philipsburgite, veszelyite | |
| Hill County | ||
| Big Sandy Creek | burbankite, calkinsite-(Ce) | |
| Windy Boy Peak | lamprophyllite | |
| Jefferson County | smythite | |
| Rocker Creek | plagionite | |
| Liberty County | ||
| Sage Creek | narsarsukite | |
| Lincoln County | ||
| Libby | cummingtonite | |
| Madison County | ||
| Sheridan | allanite-(La) | |
| Mineral County | ||
| Snowbird Mine | gersdorffite, parisite-(Ce) | |
| Missoula County | euchroite | |
| Missoula | amesite, chesterite, feroxyhyte | |
| Ravalli County | ||
| Dark Star Claim | ancylite-(Ce), fersmite | |
| Sheep Creek | baotite | |
| Silver Bow County | ||
| Butte | chalcopyrite, colusite, covellite, digenite, enargite, malachite, rhodochrosite, wurtzite | |
| Stillwater County | ||
| Stillwater Complex | braggite, keithconnite, mooihoekite, palarstanide, stillwaterite, telargpalite, telluropalladinite, tetraferroplatinum | |