The Pioche Mines is a iron mine located in Iron county, Utah at an elevation of 5,699 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: 5,699 Feet (1,737 Meters)
Commodity: Iron
Lat, Long: 37.73278, -113.23556
Map: View on Google Maps
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Pioche Mines MRDS details
Site Name
Primary: Pioche Mines
Commodity
Primary: Iron
Location
State: Utah
County: Iron
District: Iron Springs
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
Not available
Workings
Type: Surface
Ownership
Owner Name: U.S. Steel Corp.
Home Office: Jefferson City, Tn.
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Deposit Type: Replacement
Operation Type: Unknown
Year First Production: 1923
Discovery Method: Ore-Mineral In Place
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
Not available
Mineral Deposit Model
Not available
Orebody
Form: TABULAR
Structure
Type: R
Description: Sevier Thrust System
Type: L
Description: Granite Mtn Intrusion, Faulting
Alterations
Alteration Type: L
Alteration Text: Limonitization
Rocks
Name: Quartz Monzonite
Role: Associated
Age Type: Associated Rock
Age Young: Pliocene
Name: Quartz Monzonite
Role: Associated
Age Type: Host Rock Unit
Age Young: Late Jurassic
Name: Quartz Monzonite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Pliocene
Name: Quartz Monzonite
Role: Associated
Age Type: Host Rock
Age Young: Late Jurassic
Analytical Data
Not available
Materials
Ore: Magnetite
Ore: Limonite
Ore: Hematite
Gangue: Quartz
Gangue: Calcite
Comments
Comment (Deposit): CRESCENT-SHAPED ORE BODY, THE DEPOSIT DIPS NORTHWARD AND WAS DISPLACED BY STEP-FAULTING.
Comment (Workings): BENCH MINING INCLUDED WITH WEST PIOCHE MINE IS EAST PIOCHE MINE. BOTH MINES ARE NOW LARGELY REFILLED BY WASTE ROCK FROM THE VERMILLION-ECLIPSE AND LITTLE MARMON MINES.
Comment (Location): SECTION SUBDIVISIONS SE 1/4 NE 1/4 NE 1/4
References
Reference (Deposit): 1976 GEOLMAP MACKIN AND ROWLEY, MAP GQ-1295
Reference (Deposit): 1976 RECON BULLOCK, UGMS BULLETIN 88
Reference (Deposit): MACKIN, J. HOOVER, 1947, SOME STRUCTURAL FEATURES OF THE INTRUSIONS IN THE IRON SPRINGS DISTRICT, UTAH: UTAH GEOL. SOC. GUIDEBOOK TO THE GEOLOGY OF UTAH, NO. 2, 62P.
Reference (Deposit): YOUNG, W.E., IRON DEPOSITS, IRON COUNTY, UTAH: U.S. BUREAU OF MINES REPORT OF INVESTIGATION 4076, 102 P.
Reference (Deposit): BULLOCK, KENNETH C., 1976, IRON DEPOSITS OF UTAH: UTAH GEOL. AND MINERAL SURVEY BULLETIN 88, P 23-63.
Reference (Deposit): MACKIN, J. HOOVER AND ROWLEY, PETER D., 1976, GEOLOGIC MAP OF THE CEDAR CITY NW QUADRANGLE, IRON COUNTY, UTAH: U.S. GEOLOGICAL SURVEY MAP GQ-1295
Reference (Deposit): 1947 DIREXPL U.S. BUREAU OF MINES, RI 4076
Reference (Deposit): 1947 RECON MACKIN, UTAH GEOL SOC. GUIDEBOOK #2
Reference (Deposit): 1954 GEOLMAP MACKIN, MINERAL INVESTIGATIONS MAP MF-14
Reference (Deposit): 1967 RECON BLANK AND MACKIN, PROF. PAPER 516-B
Reference (Production): STEGEN, R.J., 1979 UGMS ON SITE INVESTIGATIONS
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