Mine detail: Fluoride Mine

Previously called 'Original Spar'

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Location

Lat / long: 39.71577, -113.17443

Resource(B)

Primary: Fluorine-Fluorite
Tertiary: Uranium, Beryllium
Gangue: Bertrandite
Orebody form: PIPE-LIKE
Discovery year: 1941

Production

Operation type: Unknown
Deposit type: Replacement
Production size: Small
Development status: Past Producer
First production started: 1944

Geology

Host rock:Fluoride Dolomite;Fish Haven Dolomite
Host type:Dolomite
Associated rock:Por. Rhyolitic Member Of Spor Mtn Formation;Umio Stratified Tuff Member Of Topaz Mtn. Rhyolite
Associated type:Rhyolite
Structure:Basin & Range, An East Trending Fault That Dips 60 Deg. S. And Truncates The Fluoride Pipe.
Tectonic:Sevier Orogenic Belt
Alteration processes:Clay Alteration

References

MRDSDC13215
DEP10020430
Reference{Analytical Data:: SRC.REF: USGS PP 415}{Deposit:: BULLOCK, K.C., 1976, FLUORITE OCCURRENCES IN UTAH: UTAH GEOL. & MINERAL SURVEY BULL. 110}{Deposit:: STAATZ, M.H., & OSTERWALD, F.W., 1959, GEOLOGY OF THE THOMAS RANGE FLUORSPAR DISTRICT, JUAB COUNTY: USGS BULL. 1069}{Deposit:: STAATZ, M.H., AND CARR, W.J., 1964, GEOLOGY AND MINERAL DEPOSITS OF THE THOMAS & DUGWAY RANGES, JUAB-TOOELE CO., UT: USGS PP 415}{Deposit:: STAATZ, M.H., AND WILMARTH, V.R., & BAUER, H.L., JR., 1951, RADIOACTIVE FLUORITE IN THE THOMAS RANGE, JUAB CO., UT: USGS TEI # 136, 88 P.}{Deposit:: COCHRAN, K.L., 1952, FLUORSPAR RESOURCES OF CALIFORNIA, NEVADA, UTAH, IDAHO, AND COLORADO ADJACENT AND TRIBUTARY TO FACILITIES OF THE UNION PACIFIC RAILROAD COMPANY: UNION AND PACIFIC RAILROAD COMPANY, LOS ANGLES, CALIFORNIA, 78 P.}{Deposit:: 1951 DIREXPL US AEC TEI-136}{Deposit:: 1959 RECON STAATZ, USGS BULL. 1069}{Deposit:: 1964 RECON STAATZ, USGS PP 415}{Deposit:: 1979 GEOLMAP LINDSEY, D.A., USGS MAP-I-1176}{Production:: STAATZ, 1964, BULLOCK, 1976}
ReporterUnknown, Everts, Mike L.