Commodities
PrimaryUranium
Commodity typeM
Deposit
Model204: Sandstone U
Deposit sizeS
Orebody formTABULAR, PODS
Ore controlDeposition Controlled By Ground Water Flow Conditions And Carbonaceous Material 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 rockTuff,Volcanic Breccia (Agglomerate) · Tallahassee Creek Conglomerate
Associated rockRhyolite · Wall Mountain Tuff Was Probable Principal Uranium Source
StructureThirty Nine Mile Volcanic Field, Currant Creek Basin, Echo Park Graben, Paleo Valleys
Tectonic settingCentral Cordillera (Southern Rocky Mountains)
AlterationOxidation; Alteration Of Feldspar To Clay
Economic & production
Development statusPast Producer
Identification
Deposit ID10107980
MRDS IDD009326
Alternate namesLast Chance Pit
RegionNA
Data scoreB
Coordinates38.52529, -105.49391
References
NELSON-MOORE, J.L., COLLINS, D.B. AND HORNBAKER, A.L., 1978, RADIOACTIVE MINERAL OCCURRENCES OF COLORADO AND BIBLIOGRAPHY: CGS BULLETIN 40, P. 149.WOBUS, R.A., EPIS, R.C. AND SCOTT, G.R., 1979, GEOLOGIC MAP OF THE COVER MOUNTAIN QUADRANGLE, FREMONT, PARK, AND TELLER COUNTIES, COLORADO: USGS MAP I-1179, 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. 15-31NELSON-MOORE AND OTHERS, 1978