The Eagle Rock Prospect is a uranium mine located in Juab county, Utah at an elevation of 5,820 feet.
About the MRDS Data:
All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy. It should be assumed that all mines are on private property.
Mine Info
Elevation: 5,820 Feet (1,774 Meters)
Commodity: Uranium
Lat, Long: 39.7425, -113.16083
Map: View on Google Maps
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Eagle Rock Prospect MRDS details
Site Name
Primary: Eagle Rock Prospect
Commodity
Primary: Uranium
Secondary: Fluorine-Fluorite
Secondary: Beryllium
Location
State: Utah
County: Juab
District: Spor Mtn-Thomas Range
Land Status
Land ownership: BLM Administrative Area
Note: the land ownership field only identifies whether the area the mine is in is generally on public lands like Forest Service or BLM land, or if it is in an area that is generally private property. It does not definitively identify property status, nor does it indicate claim status or whether an area is open to prospecting. Always respect private property.
Holdings
Not available
Workings
Type: Surface/Underground
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Deposit Type: Replacement
Operation Type: Unknown
Discovery Year: 1948
Discovery Method: Ore-Mineral In Place
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
General Physiographic Area: Intermontane Plateaus
Physiographic Province: Basin And Range Province
Physiographic Section: Great Basin
Physiographic Detail: Thomas Mountains - Tintic Mountains
Mineral Deposit Model
Not available
Orebody
Form: VEIN-IRREGULAR
Structure
Type: R
Description: Basin & Range
Type: L
Description: Numerous Branching Faults That Are Difficult To Trace Unless They Contain Breccia
Alterations
Alteration Type: L
Alteration Text: Clay Alteration
Rocks
Name: Rhyolite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Miocene
Name: Rhyolite
Role: Associated
Age Type: Associated Rock
Age Young: Miocene
Name: Rhyolite
Role: Associated
Age Type: Host Rock
Age Young: Late Silurian
Analytical Data
Analytical Data: 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
Materials
Gangue: Quartz
Gangue: Calcite
Unknown: Carnotite
Comments
Comment (Geology): HIGHLY SILICIOUS & BOXWORK STRUCTURE. BED ROCK STRIKES N45E DIPS 30NW. THE BOXWORKS ARE OUTSTANDING EXAMPLES. ROLAND BLANCHARD WOULD LIKED TO HAVE SEEN THESE. ; GEOL.DESC: CARNOTITE COATS FLUORITE VEIN
Comment (Location): SECTION SUBDIVISIONS SE 1/4 SW 1/4 SE 1/4
Comment (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.
Comment (Workings): WORKINGS CONSIST OF TRENCHES, AN OPEN CUT, & AN ADIT DRIVEN S83W TOWARD THE DISCOVERY TRENCH
Comment (Commodity): CHIEF IMPURITIES ARE MONTMORILLONITE, CREAM COLORED DOLOMITE & QUARTZ
References
Reference (Analytical Data): SRC.REF: USGS PP 415
Reference (Deposit): BULLOCK, K.C., 1976, FLUORITE OCCURRENCES IN UTAH: UTAH GEOL. & MINERAL SURVEY BULL. 110.
Reference (Deposit): STAATZ, M.H., & OSTERWALD, F.W., 1959, GEOLOGY OF THE THOMAS RANGE FLUORSPAR DISTRICT, JUAB COUNTY: USGS BULL. 1069.
Reference (Deposit): STAATZ, M.H., AND CARR, W.J., 1964, GEOLOGY AND MINERAL DEPOSITS OF THE THOMAS & DUGWAY RANGES, JUAB-TOOELE CO., UT: USGS PP 415.
Reference (Deposit): 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.
Reference (Deposit): 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.
Reference (Deposit): 1951 DIREXPL US AEC
Reference (Deposit): 1959 RECON STAATZ, USGS BULL. 1069
Reference (Deposit): 1964 RECON STAATZ, USGS PP 415
Reference (Deposit): 1979 GEOLMAP LINDSEY, D.A., USGS MAP-I-1176
Reference (Production): STAATZ, 1951, RADIOACTIVE FLUORITE IN THE THOMAS RANGE: USGS TEI #136, 88 P.
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