The Flagstaff Hill is a phosphorus-phosphates mine located in Granite county, Montana at an elevation of 5,440 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: 5,440 Feet (1,658 Meters)
Commodity: Phosphorus-Phosphates
Lat, Long: 46.3328, -113.28440
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.
Flagstaff Hill MRDS details
Site Name
Primary: Flagstaff Hill
Commodity
Primary: Phosphorus-Phosphates
Tertiary: Uranium
Tertiary: Fluorine-Fluorite
Location
State: Montana
County: Granite
Land Status
Land ownership: Unknown
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
Operation Type: Unknown
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 (Workings): WORKINGS CONSIST OF A 100 FT LONG ADIT (CAVED) AND SEVERAL TRENCHES, LOCATED ON TOP OF FLAGSTALL 1+1LL ( WITHIN PHILIPSBURG CITY LIMITS), ROCK IS AN ISOLATED FAULT BLOCK OR AN OUTLIER WITHIN ALLUVIUM. PHOSPHORIA DIPS 55W; 3 FT THICK BED AT 20% P205. A SECTION BETWEEN A SHALE HANGING WALL AND A PHOSPHATIC CHERT FOOTWALL IS MORE THAN 9 FT THICK AT 17% P205.
References
Reference (Deposit): CRIB
Reference (Deposit): PHIPIPSBURG, AND AVON, MONTANA: USGS BULL 847-D, P 184.
Reference (Deposit): REPORT.
Reference (Deposit): PARDEE, J.T., 1936, PHOSPHATE ROCK NEAR MAXVILLE,
Reference (Deposit): PROPERTIES AND INDUSTRIAL DEVELOPMENT DEPARTMENT, PHOSPHATE
Reference (Deposit): LUFT, STANLEY, 1958, NORTHERN PACIFIC RAILWAY COMPANY,
Reference (Deposit): INDUSTRY AND ITS RESOURCES, PART 2, MONTANA, USBM RI 6611.
Reference (Deposit): POPOFF, C.C., 1965, AN EVALUATION OF THE WESTERN PHOSPHATE
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.
