The Rosemont Mine is a silver, gold, lead, and copper mine located in Beaverhead county, Montana at an elevation of 6,716 feet.
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
Elevation: 6,716 Feet (2,047 Meters)
Commodity: Silver, Gold, Lead, Copper
Lat, Long: 45.31944, -112.85056
Map: View on Google Maps
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.
Rosemont Mine MRDS details
Site Name
Primary: Rosemont Mine
Commodity
Primary: Silver
Primary: Gold
Primary: Lead
Primary: Copper
Location
State: Montana
County: Beaverhead
District: Argenta District
Land Status
Land ownership: National Forest
Note: the land ownership field only identifies whether the area the mine is in is generally on public lands like Forest Service or BLM land, or if it is in an area that is generally private property. It does not definitively identify property status, nor does it indicate claim status or whether an area is open to prospecting. Always respect private property.
Holdings
Not available
Workings
Type: Underground
Ownership
Owner Name: R. M. Fleming
Home Office: Argenta
Years: 1942 -
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Year First Production: 1940
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
General Physiographic Area: Rocky Mountain System
Physiographic Province: Northern Rocky Mountains
Physiographic Detail: Pioneer Mountains
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Name: Quartz Monzonite
Role: Associated
Age Type: Associated Rock
Age Young: Paleocene
Name: Quartz Monzonite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Paleocene
Name: Quartz Monzonite
Role: Associated
Age Type: Host Rock
Age Young: Mississippian
Name: Quartz Monzonite
Role: Associated
Age Type: Host Rock Unit
Age Young: Mississippian
Analytical Data
Not available
Materials
Not available
Comments
Comment (Workings): TWO VERTICAL SHAFTS ARE ON THE EAST SIDE OF THE GULCH. ON THE WEST SIDE IS AN ADIT DRIVEN ON A SHEAR ZONE. A WINZE DROPS TO 30 FEET DEPTH, AND 50 AND 20-FT DRIFTS HAVE BEEN DRIVEN FROM THE BOTTOM OF THE ZONE.
Comment (Location): IN GOOD FRIDAY GULCH, WHERE IT CROSSES THE SECTION LINE DIVIDING 8 FROM 17
References
Reference (Production): M.B.M.G. BULL. 85
Reference (Deposit): 1972 RECON M.B.M.G. BULL. 8
Reference (Deposit): MBMG BULL 85, P. 60
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.
