The Boulder Mtn. is a fluorine-fluorite and gold mine located in Broadwater county, Montana.
About the MRDS Data:
All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy. It should be assumed that all mines are on private property.
Mine Info
Satelite View
MRDS mine locations are often very general, and in some cases are incorrect. Some mine remains have been covered or removed by modern industrial activity or by development of things like housing. The satellite view offers a quick glimpse as to whether the MRDS location corresponds to visible mine remains.
Boulder Mtn. MRDS details
Site Name
Primary: Boulder Mtn.
Commodity
Primary: Fluorine-Fluorite
Primary: Gold
Location
State: Montana
County: Broadwater
Land Status
Not available
Holdings
Not available
Workings
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Occurrence
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
Physiography
General Physiographic Area: Rocky Mountain System
Physiographic Province: Northern Rocky Mountains
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Name: Diorite
Role: Host
Age Type: Host Rock
Age Young: Pliocene
Analytical Data
Not available
Materials
Ore: Fluorite
Comments
Comment (Deposit): LAT. AND LONG. ARE GENERAL FOR AREA
References
Reference (Deposit): SAHINEN, U.M., 1962, FLUORSPAR DEPOSITS IN MONTANA: MONT. BUREAU OF MINES AND GEOL. BULL. 28, P. 2
Principal Gold Districts of Montana
In Montana, 54 mining districts have each have produced more than 10,000 ounces of gold. The largest producers are Butte, Helena, Marysville, and Virginia City, each having produced more than one million ounces. Twenty seven other districts are each credited with between 100,000 and one million ounces of gold production. Read more: Principal Gold Districts of Montana.
