| Deposit ID | 10020827 |
|---|---|
| MRDS ID | DC14056 |
| Record type | Site |
| Current site name | Thursday Mine |
| Related records | 10300012 |
| Geographic coordinates: | -113.19638, 39.753 (WGS84) |
|---|---|
| Elevation | 1682 |
| Relative position | LABELED ON USGS TOPO MAP |
Political divisions (FIPS codes)
Juab(county)
Utah(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Dugway Range SW(quadrangle 1:24,000 scale)
Fish Springs(quadrangle 1:100,000 scale)
Delta(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Southern Great Salt Lake Desert(hydrologic unit)
Great Salt Lake(hydrologic accounting unit)
Great Salt Lake(hydrologic subregion)
Great Basin(hydrologic region)
Federal lands
Bureau of Land Management(Bureau of Land Management UT)
Bureau of Land Management UT BLM(Type of land area)
BLM(Federal land areas administered by BLM)
| Country | State | County |
|---|---|---|
| United States | Utah | Juab |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Salt Lake | 012S | 012W | 28 | Utah |
| Commodity | Importance |
|---|---|
| Fluorine-Fluorite Critical | Primary |
| Uranium | Secondary |
| Beryllium Critical | Secondary |
| Materials | Type of material |
|---|---|
| Fluorite | Ore |
| Bertrandite | Gangue |
| Carnotite | Gangue |
| Result | 1964 ASSAY: SE ORE BODY, 21 FT BELOW SURFACE = .005% U3O8 |
|---|---|
| Result | LARGE VEIN-OPEN CUT = .012% U3O8 |
| Host or associated | Associated | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Rock type | Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite | ||||||||
| Rock unit name | Por. Rhyolitic Member Of Spor Mtn Formation;Umio Stratified Tuff Member Of Topaz Mtn Rhyolite | ||||||||
| Rock description | Por. Rhyolitic Mbr Of Spor Mtn Formation;Umio Stratified Tuff Mbr Of Topaz Mtn Rhyolite | ||||||||
| |||||||||
| Host or associated | Associated |
|---|---|
| Rock type | Plutonic Rock |
| Host or associated | Host |
|---|---|
| Rock type | Sedimentary Rock > Carbonate > Dolomite |
| Rock unit name | Thursday Dolomite |
| Rock description | Thursday Dolomite |
| (1) | -113.19638, 39.753 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | Basin & Range |
| Type of structure | Local |
| Structure description | Numerous Branching Faults That Are Difficult To Trace Unless They Contain Breccia |
| General form | PIPE-LIKE & VEINS |
|---|---|
| Strike | N 50 W |
| Dip | 77 NE |
| Thickness | 4.27M |
| Length | 73.15M |
| Width | 1.52M |
| Development status | Past Producer |
|---|---|
| Commodity type | Both |
| Deposit size | Small |
| Significant | No |
| Discovery year | 1949 |
| Discoverer | W.C. Hamblin & Family |
| District name | Spor Mtn-Thomas Range |
|---|
| Ownership category | BLM Administrative Area |
|---|
| Type | Owner-Operator |
|---|---|
| Owner | Wilden Fluorspar Co. |
| Type of workings | Surface/Underground |
|---|---|
| Overall depth | 19.81M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | DC14056 |
SRC.REF: USGS PP 415
BULLOCK, 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 & DUG WAY 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 AEC TEI-136
1959 RECON STAATZ, USGS BULL. 1069
1964 RECON STAATZ, USGS PP 415
COCHRAN, K.L., 1952, FLUORSPAR RESOURCES OF CALIF., NEV., UTAH, IDAHO, & COLORADO ADJACENT & TRIBUTARY TO FACILITIES OF THE UNION PACIFIC RR CO: UPRC, LOS ANGELES, CALIF., 78 P.
1979 GEOLMAP LINDSEY, D.A., USGS MAP-I-1176
BULLOCK, K.C., 1976, FLUORITE OCCURRENCES IN UTAH: UTAH GEOL. & MIN SUR.
| Subject category | Comment text |
|---|---|
| Deposit | A VEIN DEPOSIT ON THIS PROPERTY PRODUCED ABOUT 55 TONS. ALL PRODUCTION CAME FROM SURFACE WORKINGS MAINLY ON THE VEIN. THE PIPE HAS A LENGTH OF 60 FT & A WIDTH OF 10 FT. ORE IS WHITE-PALE PURPLE |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-JUN-1974 | Unknown | U.S. Geological Survey | |
| Updater | 01-MAR-1980 | Everts, Mike L. | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.