Mine detail: Sheeprock Mine

Previously called ''

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Location

Lat / long:

38.38053, -112.5694

Resource(B)

Primary:	Potassium, Aluminum, Gold
Ore:	Alunite, Gold
Gangue:	Calcite, Fluorite, Pyrite, Quartz, Sericite
Orebody form:	LENS
Discovery year:	1914

Production

Operation type:	Unknown
Deposit type:	Replacement
Production size:	Small
Development status:	Past Producer

Geology

Host rock:	Mt. Belknap Rhyolite
Host type:	Rhyolite
Structure:	Pioche-Marysvale Mineral Belt, Marysvale Volcanic Field, Faults, Nne To N-S Striking, Down-To-The-West Normalfaults
Tectonic:	Basin And Range-Colorado Plateau Transition Zone
Alteration processes:	Silicification, Pyrite, Sericitic Alteration

References

MRDS	D002014
DEP	10009246
Reference	{Deposit:: CUNNINGHAM,C.G., AND STEVEN, T.A., 1980, GEOLOGIC MAP OF THE BEAVER NE QUADRANGLE, WEST-CENTRAL UTAH: U. S. GEOL. -SURVEY MAP MF-1191}{Deposit:: ELEVATORSKI, A. E., 1982, VOLCANOGENIC GOLD DEPOSITS: MINOBRAS PUBLICATION, AVAILABLE FROM MINOBRAS, P. O. BOX 262-, DANA POINT, CA., 92629}{Deposit:: 1910 RECON BUTLER, B.S., PUB}{Deposit:: 1914 RECON LOUGHLIN, PUB}{Deposit:: 1940 RECON USBM: PUB}{Deposit:: 1943 GEOMAP CALLAGHAN & WILLARD, MAP}{Deposit:: BUTLER & OTHERS, 1920.^253 LOUGHLIN, 1915.^253 CALLAGHAN,1938, 1973, 1961.^253 THOENEN, 1941.}{Production:: EVERTS, M.L., 1979, GEOLOGIST.}
Reporter	Everts, Michael L., Shubat, Michael A.