| Deposit ID | 10069422 |
|---|---|
| MRDS ID | W006951 |
| Record type | Site |
| Current site name | Lost Sheep Mine |
| Alternate or previous names | Purple Pit |
| Related records | 10227477 |
| Geographic coordinates: | -113.23415, 39.73327 (WGS84) |
|---|---|
| Elevation | 1631 |
| Relative position | THE MINE IS FOUND ON USGS TOPO MAP. |
Political divisions (FIPS codes)
Juab(county)
Utah(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Topaz Mountain West(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)
| Country | State | County |
|---|---|---|
| United States | Utah | Juab |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Salt Lake | 012S | 012W | 21 | Utah |
| Commodity | Importance |
|---|---|
| Fluorine-Fluorite Critical | Primary |
| Uranium | Secondary |
| Beryllium Critical | Secondary |
| Materials | Type of material |
|---|---|
| Bertrandite | Gangue |
| Chert | Gangue |
| Clay | Gangue |
| Result | 1964 ASSAYS: S. ORE BODY, OPEN CUT = .011% U3O8 |
|---|---|
| Result | MAIN ORE BODY, OPEN CUT = .020% U3O8, 82.7% CAF2, .009% U3O8, 88.0% CAF2, .011% U3O8, .016% U3O8, 88.5% CAF2, .014% U3O8, .029% U3O8, 78.6% CAF2, .016% U3O8, .021% U3O8, 84.7% CAF2 |
| Result | VEIN 25 FT E. OF MAIN ORE BODY = .033% U3O8, .031% U3O8 |
| Result | S. ORE BODY, SURFACE = .014% U3O8, 66.7% CAF2 |
| Result | ADIT = .009% U3O8, 82.5% CAF2 |
| Host or associated | Associated | ||||||
|---|---|---|---|---|---|---|---|
| Rock type | Volcanic Rock (Aphanitic) > Pyroclastic Rock > Volcanic Breccia (Agglomerate) | ||||||
| |||||||
| Host or associated | Associated |
|---|---|
| Rock type | Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite |
| Rock unit name | Rhyolite Plug |
| Rock description | Rhyolite Plug |
| Host or associated | Host |
|---|---|
| Rock type | Sedimentary Rock > Carbonate > Dolomite |
| Rock unit name | Lost Sheep Dolomite;Harrisite Dolomite;Bell Hill Dolomite |
| Rock description | Lost Sheep Dolomite;Harrisite Dolomite;Bell Hill Dolomite |
| Host or associated | Host |
|---|---|
| Rock type | Sedimentary Rock > Chemical Sediment > Chert |
| (1) | -113.23415, 39.73327 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | Basin & Range |
| Type of structure | Local |
| Structure description | Numerous Branching Faults. One Normal Fault Crops Out On W. Side Of Hill, About 600 Ft W. Of Purple Pit |
| General form | PIPE-LIKE-CRESCENT SHAPED/IRREG. OUTLINE |
|---|---|
| Plunge | 90 DEG |
| Length | 56.39M |
| Width | 22.86M |
| Depth to top | 0M |
| Depth to bottom | 121.92M |
| Development status | Past Producer |
|---|---|
| Commodity type | Both |
| Deposit size | Medium |
| Significant | No |
| Discovery year | 1948 |
| Discoverer | Al. & Earl Wilden (Delta, Utah) |
| Year of first production | 1948 |
| District name | Spor Mtn-Thomas Range |
|---|
| Ownership category | Private |
|---|
| Type | Operator |
|---|---|
| Owner | E. J. Hamblin |
| Type | Owner |
|---|---|
| Owner | Fair Deal Mining Co. |
| First year | 1980 |
| Year | 1975 | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Period | 1948-1975 | |||||||||||||||||||||
| Material | ORE | |||||||||||||||||||||
| Accuracy | Accurate | |||||||||||||||||||||
| Description | Cp_Grade: ^78-95% Caf2, 2.6% Sio2 | |||||||||||||||||||||
| ||||||||||||||||||||||
| Type of workings | Surface |
|---|---|
| Overall depth | 121.92M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | W006951 |
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 & 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.
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.
8) LINDSEY, D.A., 1975, MINERALIZATION HALOS AND DIAGENESIS IN WATER-LAID TUFF OF THE THOMAS RANGE, UTAH: USGS PP. 818-B, 59 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-136
COCHRAN, 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. 1069
1964 RECON STAATZ, USGS PP 415
1979 GEOLMAP LINDSEY, D.A., USGS MAP-I-1176
STAATZ, 1964, GEOLOGY AND MINERAL DEPOSITE OF THE THOMAS & DUGWAY RANGES, JUAB & TOOELE: USGS PP 514
| Subject category | Comment text |
|---|---|
| Deposit | THE NORMAL FAULT WEST OF THE PURPLE PIT STRIKES N55E & DIPS 38 SE, AND PROJECTS TO A POINT ABOUT 400 FT BELOW THE ORIGINAL SURFACE OF THE PURPLE PIT. MOVEMENT ALONG THIS FAULT HAS PLACED BELL HILL DOLOMITE IN THE HANGING WALL AGAINST THE TOP OF THE SWAN PEAK QUARTZITE IN THE FOOTWALL. THUS, THE PURPLE PIT PIPE IS NOT EXPECTED TO PROJECT BELOW 400 FT LEVEL ; INFO.SRC : 3 FIELD OBSERV |
| Deposit | 2 PIPES CROP OUT ON THE PROPERTY. THE MOST PRODUCTIVE IS CALLED THE PURPLE PIT, & THE SMALLER PIPE LIES 700 FT TO THE SOUTH AND IS CALLED THE BADGER HOLE PIT DEPOSIT. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-APR-1975 | Schruben, Paul G. | 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.