The Centennial Phosphate Mine is a fluorine-fluorite, phosphorus-phosphates, and uranium mine located in Beaverhead county, Montana at an elevation of 8,399 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: 8,399 Feet (2,560 Meters)
Commodity: Fluorine-Fluorite, Phosphorus-Phosphates, Uranium
Lat, Long: 44.56667, -111.68833
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.
Centennial Phosphate Mine MRDS details
Site Name
Primary: Centennial Phosphate Mine
Secondary: Centennial Mountain District
Commodity
Primary: Fluorine-Fluorite
Primary: Phosphorus-Phosphates
Primary: Uranium
Secondary: Chromium
Secondary: Nickel
Secondary: Vanadium
Tertiary: REE
Location
State: Montana
County: Beaverhead
District: Centennial Mountains
Land Status
Not available
Holdings
Not available
Workings
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
Physiography
General Physiographic Area: Rocky Mountain System
Physiographic Province: Northern Rocky Mountains
Physiographic Detail: Centennial Mountains
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Type: R
Description: The Centennial Mtns. Are A Long South-Tilted Fault Block
Type: L
Description: Strata Strike Wnw And Dip 10-15s
Alterations
Not available
Rocks
Name: Shale
Role: Host
Age Type: Host Rock Unit
Age Young: Late Permian
Name: Shale
Role: Host
Age Type: Host Rock
Age Young: Late Permian
Analytical Data
Not available
Materials
Ore: Shale
Comments
Comment (Production): IN THE CENTENNIAL MTN. DISTRICT THERE ARE 150, 250, 400 MILLION TONS, RESPECTIVELY, OF ACID GRADE, FURNACE GRADE, AND LOW GRADE PHOSPHATE ROCK IN THE MEADE MEMBER, BUT ONLY 250 MILLION TONS OF LOW GRADE PHOSPHATE ROCK IN THE RETORT MEMBER
Comment (Location): THE DISTRICT ENCOMPASSES ALL OF T15S, R1W AND THE S PART OF T14S, R1W
Comment (Deposit): THE MEADE PEAK MEMBER IS AS MUCH AS 18 FT THICK, THE RETORT MEMBER IS ABOUT 30 FT THICK.
Comment (Workings): SURFACE STRIP MINING IS USED WHERE CONDITIONS ALLOW, UNDERGROUND MINING IS INCREASING
References
Reference (Deposit): USBM REP. INV. 6611.
Reference (Deposit): USGS CIRC 302.
Reference (Deposit): USGS PROF PAPER 313-E.
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.
