The Landon Ridge Phosphate is a phosphorus-phosphates mine located in Beaverhead county, Montana at an elevation of 7,441 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: 7,441 Feet (2,268 Meters)
Commodity: Phosphorus-Phosphates
Lat, Long: 44.7594, -111.83280
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.
Landon Ridge Phosphate MRDS details
Site Name
Primary: Landon Ridge Phosphate
Secondary: Landon Ridge
Commodity
Primary: Phosphorus-Phosphates
Tertiary: Uranium
Tertiary: Fluorine-Fluorite
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: Unknown
Workings
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Occurrence
Operation Type: Surface
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 FM. STRIKES E-W ALONG LANDON RIDGE AND DIPS 25 DEG. SOUTH. CHERTY, SANDY, AND ARGILLACEOUS PHOSPHATE ROCK IN MEADE PEAK MEMBER IS 5.4 FT THICK AT 26.8% P2O5. QUARTZITE HANGING WALL AND CHERT FOOTWALL ASSURE GOOD GROUND CONDITIONS FOR MINING FURNACE GRADE SHALES.
Comment (Deposit): PROPERTY CONSISTS OF A TRENCH ON LANDON HILL. LOCALE IS AT HIGH ELEVATION, IS DIFFICULT TO REACH, AND IS OF LITTLE ECONOMIC IMPORTAMCE.
References
Reference (Deposit): U.S. BUREAU OF MINES RI 6611, 1965, PART 2, P. 114.
Reference (Deposit): LUFT,S.,1958, NORTHERN PACIFIC RAILWAY CO. PROPERTIES AND
Reference (Deposit): INDUSTRIAL DEVELOPMENT DEPT. PHOSPHATE REPORT, P. 103.
Reference (Deposit): SWANSON, R.W., 1953, STRATIGRAPHIC SECTIONS OF THE
Reference (Deposit): 303, P. 27.
Reference (Deposit): MONTANA INDUSTRIAL MINERALS, MINOBRAS 1975 PG 13.
Reference (Deposit): USGS GSC, JUNE 95 LIST, 'LANDON RIDGE'.
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.
