| Deposit ID | 10020299 |
|---|---|
| MRDS ID | DC12951 |
| Record type | Site |
| Current site name | Eagle Rock Prospect |
| Related records | 10202831 |
| Geographic coordinates: | -113.16165, 39.74244 (WGS84) |
|---|---|
| Elevation | 1774 |
| Relative position | ON NW EDGE OF EAGLE ROCK RIDGE |
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)
Federal lands
ST(Federal land areas administered by ST)
| Country | State | County |
|---|---|---|
| United States | Utah | Juab |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Salt Lake | 012S | 012W | 26 | Utah |
| Commodity | Importance |
|---|---|
| Uranium | Primary |
| Fluorine-Fluorite Critical | Secondary |
| Beryllium Critical | Secondary |
| Materials | Type of material |
|---|---|
| Calcite | Gangue |
| Quartz | Gangue |
| Carnotite | Unknown |
| Result | A SAMPLE CONTAINING 0.59% U3O8 WAS FOUND ON THE VEIN, BUT WAS A SELECTED SAMPLE, AND DOES NOT REPRESENT THE NORM. CAF2 = 34.6% URANIUM CONTENT RANGES FROM 0.088-0.17% U3O8: 2 SAMPLES FROM THE ORE PILE MEASURED 0.18 & 0.31% 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 | Host |
|---|---|
| Rock type | Sedimentary Rock > Carbonate > Dolomite |
| Rock unit name | Bell Hill Dolomite (Host);Harrisite Dolomite;Lost Sheep Dolomite |
| Rock description | Bell Hill Dolomite (Host);Harrisite Dolomite;Lost Sheep Dolomite |
| Host or associated | Host |
|---|---|
| Rock type | Volcanic Rock (Aphanitic) > Pyroclastic Rock > Volcanic Breccia (Agglomerate) |
| (1) | -113.16165, 39.74244 |
|---|
| 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 | VEIN-IRREGULAR |
|---|---|
| Strike | N45E |
| Dip | 90 DEG |
| Thickness | 1.22M |
| Length | 12.19M |
| Development status | Past Producer |
|---|---|
| Commodity type | Both |
| Deposit size | Small |
| Significant | No |
| Discovery year | 1948 |
| Discoverer | T.A. & Rex Claridge, Al Wilden |
| District name | Spor Mtn-Thomas Range |
|---|
| Ownership category | BLM Administrative Area |
|---|
| Type of workings | Surface/Underground |
|---|---|
| Overall length | 9.14M |
| Overall width | 1.22M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | DC12951 |
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.
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.
1951 DIREXPL US AEC
1959 RECON STAATZ, USGS BULL. 1069
1964 RECON STAATZ, USGS PP 415
1979 GEOLMAP LINDSEY, D.A., USGS MAP-I-1176
STAATZ, 1951, RADIOACTIVE FLUORITE IN THE THOMAS RANGE: USGS TEI #136, 88 P.
| Subject category | Comment text |
|---|---|
| Deposit | LOCATED ON A VEIN. THE DEPOSIT IS HARD & SILICIOUS & IN A BOXWORK STRUCTURE WHICH IS IN CONTRAST TO THE POWDERY FLUORSPAR COMMON TO THE DISTRICT. |
| 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.