The Mandan Mine is a phosphorus-phosphates mine located in Rich county, Utah at an elevation of 5,518 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: 5,518 Feet (1,682 Meters)
Commodity: Phosphorus-Phosphates
Lat, Long: 41.74387, -111.05358
Map: View on Google Maps
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Mandan Mine MRDS details
Site Name
Primary: Mandan Mine
Commodity
Primary: Phosphorus-Phosphates
Tertiary: Selenium
Location
State: Utah
County: Rich
District: Crawford Mts.
Land Status
Land ownership: Private
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: Located Claim
Workings
Not available
Ownership
Owner Name: Bradley Estates
Owner Name: San Francisco Chemical Co.
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Deposit Type: Bedded -Phosphate
Operation Type: Surface
Discovery Method: Ore-Mineral In Place
Years of Production:
Organization:
Significant: N
Deposit Size: L
Physiography
General Physiographic Area: Rocky Mountain System
Physiographic Province: Middle Rocky Mountains
Physiographic Detail: Crawford Mountains
Mineral Deposit Model
Not available
Orebody
Form: TABULAR
Structure
Type: R
Description: Woodruff Thrust And Crawford Thrust
Type: L
Description: On The West Side Of A Syncline
Alterations
Not available
Rocks
Name: Shale
Role: Host
Age Type: Host Rock
Age Young: Late Permian
Analytical Data
Analytical Data: 25' 7" AVERAGING 60% CA3 (PO4)2 EQUIVALENT
Materials
Ore: Whitlockite
Comments
Comment (Reserve-Resource): NO FIGURES AVAILABLE
Comment (Commodity): PHOSPHATE ROCKS HAVE AN OOLITIC TEXTURE . SELENIUM IS FOUND IN THE CARBONACEOUS SHALES.
Comment (Location): SECTION SUBDIVISIONS NE 1/4 NE 1/4 NE 1/4
Comment (Production): NO PRODUCTION DUE TO LOW GRADE OF ORE
Comment (Deposit): DEPOSIT SIMILAR TO ARIKAREE MINE, THE THICKNESS OF THE INTERBEDDED SHALE, LIMESTONE, AND PHOSPHATE ROCK IS 25 FT 7 IN.
Comment (Workings): PORTAL CAVED. TUNNEL DRIVEN SOUTH ALONG WEST LIMB OF SYNCLINE.
References
Reference (Analytical Data): SRC.REF: GALE, H.S. AND RICHARDS, 1909, CONTRIBUTIONS TO ECON. GEOL. U.S.G.S. BULL. 430.
Reference (Deposit): 1909 RECON GALE AND RICHARDS BULL. 430
Reference (Deposit): 1979 RECON TRIPP U.G.M.S.
Reference (Production): WIDEMAN, F.L., 1958, MINING INCLINED BEDS OF PHOSPHATE ROCK: U.S.B.M. RI 7849
Reference (Reserve-Resource): TRIPP, B.T., 1980, ON SITE INVESTIGATION: UTAH GEOL. AND MINERAL SUR.
Reference (Deposit): TRIPP, B.T., 1980, ON SITE INVESTIGATION: UTAH GEOL. AND MINERAL SURVEY.
Reference (Deposit): RICHARDSON, G. B., GEOL. AND MIN. RES. OF THE RANDOLPH QUAD, UTAH-WYOMING: USGS BULL 923 , 1941 , P. 45
Reference (Deposit): WIDEMAN, F.L., 1958 , MINING INCLINE BEDS OF PHOSPHATE ROCK: USBM INF. CIRC 7849 , P. 21
Reference (Deposit): CHENEY, T.M., AND OTHERS, 1953 , STRATIG SECT OF THE PHOSPHORIA FM: USGS CIRC 306 , P. 7 - 11
Reference (Deposit): 5) DASCH,M.D., 1964, ANTIMONY AND OTHER MINOR METALS IN MINERAL AND WATER RESOURCES OF UTAH: UTAH GEOL. & MIN. SURV., BULL. 73, P. 143.
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