Commodities
PrimaryUranium
Commodity typeM
Deposit
Model204: Sandstone U
Deposit sizeS
WorkingsUnknown
Orebody formTABULAR, PODS, LENTICULAR BODIES
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. Meanders May Have Helped To Localize Ore
Materials
Ore mineralsCoffinite, Torbernite, Uraninite
GangueCalcite, Gypsum, Hematite, Limonite, Pyrite
Geology
Host rockSandstone
Associated rockRhyolite · Wall Mountain Tuff Was Probable Principal Uranium Source
StructureThirty Nine Mile Volcanic Field, Currant Creek Basin, Echo Park Graben, Paleovalleys; North-South Trending Reverse Fault Places Precambrian Granite And Schist Against Tertiary Sandstones, Limiting Ore Body On East. Fault Strikes N 35-45 W, Dips 40 Ne; Numerous Small Faults And Fractures Increased Permeability Of Sediments
Tectonic settingCentral Cordillera (Southern Rocky Mountains)
AlterationOxidation; Alteration Of Feldspar To Clay
Economic & production
Development statusPast Producer
First production1955
Discovery year1954
Identification
Deposit ID10013180
MRDS IDD009328
Alternate namesMary L. 1-6 Claims
RegionNA
Data scoreB
Coordinates38.58279, -105.52475
References
NELSON-MOORE, J.L., COLLINS, D.B. AND HORNBAKER, A.L., 1978, RADIOACTIVE MINERAL OCCURRENCES OF COLORADO AND BIBLIOGRAPHY: Colorado Geological Survey Bulletin 40,P. 150.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.SIMON, M.R., 1956, URANIUM DEPOSITS OF CENTRAL AND SOUTH-CENTRAL COLORADO, IN GUIDEBOOK TO THE GEOLOGY OF THE RATON BASIN, COLORADO: ROCKY MOUNTAIN ASSOCIATION OF GEOLOGISTS GUIDEBOOK, P. 84.BABCOCK, J.A., 1980, TALLAHASSEE CREEK URANIUM DEPOSITS: DENVER REGIONAL EXPLORATION GEOLOGISTS SOCIETY GUIDEBOOK, P. 15-31.MACPHERSON, B.A., 1959, GEOLOGY AND URANIUM DEPOSITS OF THE TALLAHASSEE CREEK DISTRICT, FREMONT COUNTY, COLORADO: US ATOMIC ENERGY COMMISSION RME-1083, 39 P.NELSON-MOORE AND OTHERS, 1978