Description
Al & Earl Wilden (Delta, Utah)
Commodities
PrimaryFluorine-Fluorite
SecondaryUranium, Beryllium
Commodity typeB
Deposit
Deposit typeReplacement
Deposit sizeS
WorkingsSurface
Orebody formPIPE-LIKE
Ore controlAlong Pipes And Veins In Favorable Replacement Carbonates & In Brecciated Fault Zones
Materials
Ore mineralsFluorite
GangueBertrandite, Carnotite
Geology
Host rockLimestone,Dolomite · Fluoride Dolomite;Fish Haven Dolomite
Associated rockRhyolite · Por. Rhyolitic Member Of Spor Mtn Formation;Umio Stratified Tuff Member Of Topaz Mtn. Rhyolite
StructureBasin & Range, This Ore Body Does Not Appear To Be Within A 150 Ft. Of Any Fault.
Tectonic settingSevier Orogenic Belt
AlterationClay Alteration
Economic & production
Development statusPast Producer
Production years1956 AND 1975
First production1955
Discovery year1952
Identification
Deposit ID10020300
MRDS IDDC12954
RegionNA
Data scoreB
Coordinates39.74383, -113.18499
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.1951 DIREXPL US AECCOCHRAN, 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 DEPOSIT OF THE THOMAS & DUGWAY RANGES: USGS PP. 415BULLOCK, 1976 , P. 49