Mine detail: Tallahassee Creek District

Previously called 'Mary L MineJoanHansen DepositPicnic Tree MineColorado Lease 519Dickson-Snooper Mine'

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Location

Lat / long: 38.54695, -105.54447

Resource(M)

Primary: Uranium
Secondary: Vanadium
Ore: Coffinite, Uraninite
Gangue: Hematite, Limonite
Orebody form: TABULAR, PODS
Discovery year: 1951

Production

Operation type: Unknown
Production size: Small
Development status: Past Producer
First production started: 1952
Last production ended: 1969

Geology

Host rock:Tallahassee Creek Conglomerate;Echo Park Formation
Host type:Sandstone,Arkose,Conglomerate,Tuff
Associated rock:Wall Mountain Tuff Was Probable Principal Uranium Source
Associated type:Rhyolite
Structure:Thirty Nine Mile Volcanic Field, Currant Creek Basin, Echo Park Graben, Paleovalleys
Tectonic:Central Cordillera (Southern Rocky Mountains)
Alteration processes:Oxidation; Alteration Of Feldspar To Clay

References

MRDSD009336
DEP10107981
Reference{Deposit:: NELSON-MOORE, J.L., COLLINS, D.B. AND HORNBAKER, A.L., 1978, RADIOACTIVE MINERAL OCCURRENCES OF COLORADO AND BIBLIOGRAPHY: CGS BULLETIN 40, P. 143-153.}{Deposit:: 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.}{Deposit:: 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.}{Deposit:: BABCOCK, J.W., 1980, TALLAHASSEE CREEK URANIUM DEPOSITS, IN SILVER CLIFF VOLCANIC CENTER AND TALLAHASSEE CREEK URANIUM DEPOSITS: DENVER REGIONAL EXPLORATION GEOLOGIST*SOCIETY GUIDEBOOK, P. 15-31.}{Deposit:: 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.}{Deposit:: DICKINSON, K.A. AND HILLS, F.A., 1982, OLIGOCENE VOLCANIC ROCKS: POSSIBLE SOURCE OF URANIUM IN EPIGENETIC DEPOSITS IN PARTS OF CHAFFEE, PARK, AND FREMONT COUNTIES, COLORADO: USGS OPEN-FILE REPORT 82-403, 32 P.}{Deposit:: MACPHERSON, B.A., 1959, GEOLOGY AND URANIUM DEPOSITS OF THE TALLAHASSEE CREEK DISTRICT, FREMONT COUNTY, COLORADO: USAEC RME-1083, OPEN-FILE REPORT, 41 P.}{Production:: NELSON-MOORE AND OTHERS, 1978; BABCOCK, 1980}
ReporterCollins, Donna B., Keller, John W.