Mine detail: Twitchell Ore Body

Previously called ''

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Location

Lat / long: 37.72997, -113.24747

Resource(M)

Primary: Iron
Ore: Hematite, Limonite, Magnetite
Gangue: Calcite, Quartz
Orebody form: IRREGULAR

Production

Operation type: Unknown
Production size: Small
Development status: Producer

Geology

Host rock:Iron Springs Formation
Host type:Shale,Sandstone,Volcanic Breccia (Agglomerate)
Associated rock:Granite Mtn. Pluton
Associated type:Quartz Monzonite
Structure:Sevier Thrust System, Clive Fault, Granite Mtn Intrusion
Tectonic:Basin And Range-Colorado Plateau Transition
Alteration processes:Limonitization

References

MRDSD005361
DEP10011119
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.}{Deposit:: YOUNG, W.E., IRON DEPOSITS, IRON COUNTY, UTAH: U.S. BUREAU OF MINES REPORT OF INVESTIGATION 4076, 102P.}{Deposit:: BULLOCK, KENNETH C., 1976, IRON DEPOSITS OF UTAH: UTAH GEOL. AND MINERAL SURVEY BULLETIN 88, P 23-63.}{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.}{Deposit:: 1947 DIREXPL U.S. BUREAU OF MINES, RI-4076}{Deposit:: 1947 RECON MACKIN, UTAH GEOL. SOC. GUIDEBOOK #2}{Deposit:: 1954 GEOLMAP MACKIN, MINERALS INVESTIGATIONS MAP MF-14}{Deposit:: 1967 RECON BLANK AND MACKIN, PROF. PAPER 516-B}{Deposit:: 1976 GEOLMAP MACKIN AND ROWLEY, MAP GQ-1295}{Deposit:: 1976 RECON BULLOCK, UTAH GEOL. AND MINERAL SURVEY BULLETIN 88}{Production:: STEGEN, R.J., 1979, UGMS ON SITE INVESTIGATIONS}
ReporterStegan, Ralph J.