The Potosi Deposits Pony District is a zinc, fluorine-fluorite, and tungsten mine located in Madison 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
Elevation:
Commodity: Zinc, Fluorine-Fluorite, Tungsten
Lat, Long: 45.56667, -111.96667
Map: View on Google Maps
Potosi Deposits Pony District MRDS details
Site Name
Primary: Potosi Deposits Pony District
Commodity
Primary: Zinc
Primary: Fluorine-Fluorite
Primary: Tungsten
Location
State: Montana
County: Madison
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
Not available
Analytical Data
Not available
Materials
Ore: Huebnerite
Ore: Sphalerite
Ore: Fluorite
Ore: Pyrite
Comments
Comment (Deposit): OCCURRENCE OF HUEBNERITE KNOWN IN DISTRICT SINCE 1910, BUT LITTLE IF ANY PRODUCTION. CONTENT OF WO3 VARIABLE RANGING FROM A FEW TENTHS OF A PERCENT TO 0.5 PERCENT, AND AS MUCH AS 2.5 PERCENT IN SMALL AREAS, WITH RICH POCKETS IN SOME VEINS (REF. NO. 1)
References
Reference (Deposit): LEMMON, D.M., UNPUBLISHED DATA.
Reference (Deposit): LEMMON, D.M. AND TWETO, O.L., 1962, TUNGSTEN IN THE U.S., USGS MAP, MR-25.
Reference (Deposit): TANSLEY, W., 1933, MONT BUREAU OF MINES AND GEOL., MEM. 9.
Reference (Deposit): WINCHELL, A.N., 1914, USGS BULL. 574.
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.
