Utah · Juab County
Past Producer

Lost Sheep Mine

Juab County, Utah, United States
Fluorine-FluoriteUraniumBeryllium
⌖ Show on mapUSGS source ↗
Description

Al. & Earl Wilden (Delta, Utah)

Commodities
PrimaryFluorine-Fluorite
SecondaryUranium, Beryllium
Commodity typeB
Deposit
Deposit typeReplacement
Deposit sizeS
WorkingsSurface
Orebody formPIPE-LIKE-CRESCENT SHAPED/IRREG. OUTLINE
Ore controlAlong Pipes And Veins In Favorable Replacement Carbonates & In Brecciated Fault Zones
Materials
GangueBertrandite, Chert, Clay
Geology
Host rockDolomite,Chert · Lost Sheep Dolomite;Harrisite Dolomite;Bell Hill Dolomite
Associated rockVolcanic Breccia (Agglomerate),Rhyolite · Rhyolite Plug
StructureBasin & Range, Numerous Branching Faults. One Normal Fault Crops Out On W. Side Of Hill, About 600 Ft W. Of Purple Pit
Tectonic settingSevier Orogenic Belt
AlterationClay Alteration, Silica
Economic & production
Development statusPast Producer
First production1948
Discovery year1948
Identification
Deposit ID10069422
MRDS IDW006951
Alternate namesPurple Pit
RegionNA
Data scoreA
Coordinates39.73327, -113.23415
References
SRC.REF: USGS PP 415BULLOCK, K.C., 1976, FLUORITE OCCURRENCES IN UTAH: UTAH GEOL. & MINERAL SURVEY BULL. 110.STAATZ, M.H., & OSTERWALD, F.W., 1959, GEOLOGY OF THE THOMAS RANGE FLUORSPAR DISTRICT, JUAB COUNTY: USGS BULL. 1069.STAATZ, M.H., AND CARR, W.J., 1964, GEOLOGY AND MINERAL DEPOSITS OF THE THOMAS & DUGWAY RANGES, JUAB-TOOELE CO., UT: USGS PP 415.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.5) LEEDOM, S.H., AND MITCHELL, T.P., 1978, PRELIMINARY STUDY OF FAVORABILITY FOR URANIUM RESOURCES IN JUAB, COUNTY, UTAH: BENDIX FIELD ENGINEERING CORP, DOE CONTRACTOR, GJBX-23 (78).6) LINDSEY, D.A., GANOW, H., AND MOUNTJOY, W., 1973, HYDROTHERMAL ALTERATION ASSOCIATED WITH BERYLLIUM DEPOSITS AT SPOR MOUNTAIN, UTAH: USGS PP. 818-A, 20 P.7) LINDSEY, D.A., NAESER, C.W., & SHAWE, D.R., 1975, AGE OF VOLCANISM, AND MINERALIZATION IN THE THOMAS RANGE, KEG MTN., AND DESERT MTN., WESTERN UTAH: USGS JOURNAL OF RESEARCH, V. 3, NO. 5, P. 597-604.8) LINDSEY, D.A., 1975, MINERALIZATION HALOS AND DIAGENESIS IN WATER-LAID TUFF OF THE THOMAS RANGE, UTAH: USGS PP. 818-B, 59 P.9) LINDSEY, D.A., 1977, EPITHERMAL BERYLLIUM DEPOSITS IN WATER-LAID TUFF, WESTERN UTAH: ECON. GEOL., V. 72, P. 219-232.10) LINDSEY, D.A., 1979, PRELIMINARY REPORT ON TERTIARY VOLCANISM AND URANIUM MINERALIZATION IN THE THOMAS RANGE AND NORTHERN DRUM MOUNTAINS, JUAB COUNTY, UTAH: USGS OPEN FILE RPT. 79-1076, 101 P.11) SHAWE, D.R., 1972, RECONNAISSANCE GEOLOGY AND MINERAL POTENTIAL OF THOMAS, KEG, AND DESERT CALDERAS, CENTRAL JUAB CO., UTAH: USGS PP 800-B, PP. B67-B77.12) STAATZ, M.H., AND BAUER, H.L., JR., 1951, A PRELIMINARY REPORT ON THE RADIOACTIVE FLUORITE DEPOSITS, THOMAS RANGE, JUAB COUNTY, UTAH: USGS-US AEC TEM-167-A, 11 P.13) STAATZ, M.H., 1963, GEOLOGY OF THE BERYLLIUM DEPOSITS IN THE THOMAS RANGE JUAB COUNTY, UTAH: USGS BULL. 1142-M, 34 P.1951 DIREXPL US AEC TEI-136COCHRAN, K.L., 1952, FLUORSPAR RESOURCES OF CALIF., NEV., UTAH, IDAHO, & COLORADO ADJACENT & TRIBUTARY TO FACILITIES OF THE UNION PACIFIC RR CO: UPRC, LOS ANGLES CALIF., 78 P.1959 RECON STAATZ, USGS BULL. 10691964 RECON STAATZ, USGS PP 4151979 GEOLMAP LINDSEY, D.A., USGS MAP-I-1176STAATZ, 1964, GEOLOGY AND MINERAL DEPOSITE OF THE THOMAS & DUGWAY RANGES, JUAB & TOOELE: USGS PP 514