The Twitchell Ore Body is a iron mine located in Iron county, Utah at an elevation of 5,830 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: 5,830 Feet (1,777 Meters)
Commodity: Iron
Lat, Long: 37.73, -113.24667
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.
Twitchell Ore Body MRDS details
Site Name
Primary: Twitchell Ore Body
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: James D. Murphy
Owner Name: Utah International, Inc.
Production
Not available
Deposit
Record Type: Site
Operation Category: Producer
Operation Type: Unknown
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: IRREGULAR
Structure
Type: R
Description: Sevier Thrust System
Type: L
Description: Clive Fault, Granite Mtn Intrusion
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
Age Young: Late Cretaceous
Name: Quartz Monzonite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Pliocene
Name: Quartz Monzonite
Role: Associated
Age Type: Host Rock Unit
Age Young: Late Cretaceous
Analytical Data
Analytical Data: IRON 35%
Materials
Ore: Hematite
Ore: Limonite
Ore: Magnetite
Gangue: Calcite
Gangue: Quartz
Comments
Comment (Deposit): ORE BODY IS NON-OUTCROPPING AND OCCURS ALONG THE CLIVE FAULT WHICH BROUGHT THE IRON SPRINGS FORMATION IN FAULT CONTACT WITH QUARTZ MONZONITE PORPHYRY.
Comment (Workings): BENCH MINE, ELONGATED PIT
Comment (Location): SECTION SUBDIVISIONS NE 1/4 SE 1/4 NW 1/4
References
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, 102P.
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 O., 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, MINERALS INVESTIGATIONS MAP MF-14
Reference (Deposit): 1967 RECON BLANK AND MACKIN, PROF. PAPER 516-B
Reference (Deposit): 1976 GEOLMAP MACKIN AND ROWLEY, MAP GQ-1295
Reference (Deposit): 1976 RECON BULLOCK, UTAH GEOL. AND MINERAL SURVEY BULLETIN 88
Reference (Production): STEGEN, R.J., 1979, UGMS ON SITE INVESTIGATIONS
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