The Twin Fir Prospect is a silver mine located in Beaverhead county, Montana at an elevation of 7,500 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: 7,500 Feet (2,286 Meters)
Commodity: Silver
Lat, Long: 45.71611, -112.90167
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.
Twin Fir Prospect MRDS details
Site Name
Primary: Twin Fir Prospect
Commodity
Primary: Silver
Location
State: Montana
County: Beaverhead
District: Quartz Hill (Vipond) District
Land Status
Land ownership: Private
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
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Occurrence
Deposit Type: Vein
Operation Type: Unknown
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
Form: TABULAR
Structure
Not available
Alterations
Not available
Rocks
Name: Limestone
Role: Host
Age Type: Host Rock Unit
Age Young: Late Cambrian
Name: Limestone
Role: Host
Age Type: Host Rock
Age Young: Late Cambrian
Analytical Data
Analytical Data: HIGHEST ORE VALUES $40.00 PER TON (1941)
Materials
Ore: Silver
Comments
Comment (Location): 1000 FT DUE S OF GREAT WESTERN MINE ; INFO FROM LAND.ST :1975
Comment (Workings): 1 15 TO 20-FT SHAFT
References
Reference (Deposit): GOUDARZI, H., 1941, M.S. THESIS, MT. COLL. OF MIN. SCI. AND TECH., P. 50-51
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.
