Pumice Mines in Montana

Pumice Mining in Montana

Montana has 146 pumice-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
Meagher County	23
Powell County	22
Granite County	19
Beaverhead County	14
Missoula County	11
Ravalli County	11
Madison County	8
Broadwater County	7
Big Horn County	6
Deer Lodge County	6
Gallatin County	5
Flathead County	3
Jefferson County	3
Fallon County	2
Judith Basin County	1
Lewis and Clark County	1
Rosebud County	1
Silver Bow County	1
Valley County	1
Yellowstone County	1

Pumice Mines

Mine	County	Type	Status
Singer Scoria Pit	Fallon		Producer
Zion Portable Crusher	Fallon	Surface	Producer
Ambrose Creek Pumice Deposit	Ravalli		Occurrence
Bear Creek Pumicite	Gallatin	Surface	Occurrence
Beauvais Creek Pumice	Big Horn		Occurrence
Beaver Creek Pumicite	Broadwater	Surface	Past Producer
Bitteroot Valley	Ravalli		Unknown
Bowles Pumicite	Granite	Surface	Past Producer
Confederate Gulch Tuff	Broadwater		Occurrence
Corvallis Pumicite	Ravalli		Occurrence
Cow Creek Pumice Deposit	Granite		Occurrence
Crow Reservation Ash	Big Horn		Occurrence
Dempsey Pumice Deposit	Powell		Occurrence
Drummond Area Pumice	Granite		Occurrence
Dry Gulch Pumice Deposit	Ravalli		Occurrence
East Helena Tuff	Jefferson		Occurrence
Fred Burr Creek Pumice Deposit	Powell		Occurrence
Grasshopper Creek Occurrence	Beaverhead		Occurrence
Hathaway Pumicite	Rosebud		Occurrence
Helena Pumicite Deposit	Lewis and Clark		Occurrence
High Flat Pumicite	Gallatin	Surface	Occurrence
John Polk Pumicite	Broadwater		Occurrence
Johnny Gulch Pumicite	Madison		Occurrence
Ledford Road Pumicite	Madison		Occurrence
Lewis Kountz Ranch	Jefferson		Occurrence
Logan-Madison River Ash	Gallatin	Surface	Occurrence
Lower Willow Creek Pumice Deposit	Granite		Occurrence
Mullan Gulch Pumice Deposit	Powell		Occurrence
Nw Philipsburg Pumice Deposit	Granite		Occurrence
O'Neill Creek Pumice Deposit	Powell		Occurrence
Perkins Creek Pumice Deposit	Powell		Occurrence
Perry Canyon Ferry Pozzolan	Broadwater		Occurrence
Pipe Organ Tuff	Beaverhead		Occurrence
Pipestone Springs Deposit	Jefferson		Occurrence
Pumice Deposit	Deer Lodge		Occurrence
Pumice Occurrence	Big Horn		Occurrence
Pumicite Occurrence	Big Horn		Prospect
Pumicite Prospect	Big Horn		Prospect
Richland Pumicite	Valley		Occurrence
Rocker Pumicite	Silver Bow	Surface	Past Producer
Section 18 Tuff	Flathead	Surface	Occurrence
Section 8 Tuff No. 1	Flathead	Surface	Occurrence
Section 8 Tuff No. 2	Flathead	Surface	Prospect
Sil-King Mine	Beaverhead	Underground	Past Producer
Silver King	Beaverhead		Occurrence
Sliderock Mountain Pumice Deposit	Granite		Occurrence
South Deer Lodge Pumice Deposit	Powell		Occurrence
Southwest Drummond Pumice Deposit	Granite		Occurrence
Spooner Creek Ash	Ravalli		Occurrence
Sugarloaf Pumice Deposit	Granite		Occurrence

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