Commodities
PrimaryUranium
Commodity typeM
Deposit
Model204: Sandstone U
Deposit sizeN
Orebody formTABULAR, PODS
Ore controlDeposition Controlled By Ground Water Flow Conditions And Carbonaceous Materials With Associated Pyrite. Flow Was Impeded By The Fault On The Southern End Of The Echo Park Graben.
Materials
Ore mineralsCoffinite, Uraninite
GangueHematite, Limonite
Geology
Host rockMudstone,Sandstone,Conglomerate · Echo Park Alluvium, Fluvial Facies, Lower Part
Associated rockRhyolite · Wall Mountain Tuff Was Probable Principal Uranium Source
StructureThirtynine Mile Volcanic Field, Currant Creek Basin, Echo Park Graben, Paleovalley; Deposit Is On Outside Of Paleovalley Meander. The Orebody Is Bounded By Two Burled, High Angle, Normal Faults; One On The Southeast And Another Which May Parallel The Western Edge Of The Orebody.
Tectonic settingCentral Cordillera (Southern Rocky Mountains)
AlterationOxidation; Alteration Of Feldspar To Clay
Economic & production
Development statusProspect
Discovery year1979
Identification
Deposit ID10013176
MRDS IDD009322
RegionNA
Data scoreB
Coordinates38.55001, -105.55336
References
NELSON-MOORE, J.L., COLLINS, D.B. AND HORNBAKER, A.L., 1978, RADIOACTIVE MINERAL OCCURRENCES OF COLORADO AND BIBLIOGRAPHY: CGS BULLETIN 40, P. 148.EPIS, R.C., WOBUS, R.A. AND SCOTT, G.R., 1979, GEOLOGIC MAP OF THE BLACK MOUNTAIN QUADRANGLE, FREMONT AND PARK COUNTIES, COLORADO: USGS MAP I-1195, 1:62,500.DICKINSON, K.A., 1981, GEOLOGIC CONTROLS OF URANIUM MINERALIZATION IN THE TALLAHASSEE CREEK URANIUM DISTRICT, FREMONT COUNTY, COLORADO: THE MOUNTAIN GEOLOGIST, V. 18, NO. 4, P. 88-94.BABCOCK, J.A., 1980, TALLAHASSEE CREEK URANIUM DEPOSITS: DENVER REGIONAL EXPLORATION GEOLOGISTS SOCIETY GUIDEBOOK, P. 15-31.5) CYPRUS MINES CORPORATION, 1979, ENVIRONMENTAL REPORT, HANSEN PROJECT, FREMONT COUNTY, COLORADO: CYPRUS MINES CORP./WYOMING MINERAL CORP., P. 2.4.1-2.4.28.BABCOCK, J.W., 1980