The West Limb Mine is a phosphorus-phosphates mine located in Beaverhead county, Montana at an elevation of 6,001 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: 6,001 Feet (1,829 Meters)
Commodity: Phosphorus-Phosphates
Lat, Long: 45.6783, -112.78170
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.
West Limb Mine MRDS details
Site Name
Primary: West Limb Mine
Secondary: Location 1, Canyon Creek.
Commodity
Primary: Phosphorus-Phosphates
Tertiary: Fluorine-Fluorite
Tertiary: Uranium
Location
State: Montana
County: Beaverhead
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
Type: Federal Lease
Workings
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Producer
Operation Type: Underground
Mining Method: 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
Not available
Comments
Comment (Geology): PHOSPHORIA IN TRENCH: ATTITUDE IS N60W,50SW. RETORT MEMBER: BED IS 1.8 FT THICK AT 34.6% P2O5, 5.2 FT THICK AT 24.5% , AND 11.2 FT AT 21.9% P2O5. SAMPLE LOT 1237 FROM USGS PROF PAPER 313-E IS LOCATED HERE. IN MAY 1979 SAMPLE MDB-4 WAS TAKEN HERE. SAMPLE TAKEN FROM SPILLAGE FROM ORE LOAD OUT PLATFORM. MOSTLY BLACK FINES; SOME CHUNKS UP TO 1/2 INCH. BLACK PELLETAL PHOSPHORITE AND BLACK SHALES. IT RAN 24% P205, .38% M60, 3% AL203 2.8% FE203, 20% CAO, .005% U, .08% V, 1.8% F, 12.2 LOI
References
Reference (Deposit): MONTANA: USGS PROF. PAPER 313-E.
Reference (Deposit): KLEPPER, M.R., 1953, STRAT. SECS. OF THE PHOSPHORIA FM
Reference (Deposit): IN MONTANA, 1948: USGS CIRC. 260, P. 9.
Reference (Deposit): MONTANA INDUSTRIAL MINERALS, MINOBRAS, 1975, P. 13.
Reference (Deposit): USBM RI 6611, P. 76.
Reference (Deposit): LUFT, S., 1958, NORTHERN PACIFIC RAILWAY CO. PROPERTIES AND
Reference (Deposit): INDUSTRIAL DEVELOPMENT DEPT. PHOSPHATE REPORT, P. 100.
Reference (Deposit): SWANSON, R.W., 1970, MIN. RES. IN PERMIAN ROCKS OF SW
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.
