Mine detail: Sunshine Mine

Previously called 'Sunshine No. 2Sunshine Claims'

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Location

Lat / long: 38.53445, -105.48919

Resource(M)

Primary: Uranium
Ore: Coffinite, Uraninite
Gangue: Hematite, Limonite
Orebody form: TABULAR, PODS, LENS-SHAPED
Discovery year: 1954

Production

Operation type: Unknown
Production size: Small
Development status: Past Producer

Geology

Host rock:Tallahassee Creek Conglomerate
Host type:Rhyolite
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, Faults; Reverse Fault Strikes N18w, Dips 35ne
Tectonic:Central Cordillera (Southern Rocky Mountains)
Alteration processes:Oxidation; Alteration Of Feldspar To Clay

References

MRDSD009335
DEP10013187
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. 152.}{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:: 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:: 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}{Deposit:: BABCOCK, J.A., 1980, TALLAHASSEE CREEK URANIUM DEPOSITS: DENVER REGIONAL EXPLORATION GEOLOGISTS SOCIETY GUIDEBOOK, P. 15-31.}{Deposit:: MACPHERSON, B.A., 1959, GEOLOGY AND URANIUM DEPOSITS OF THE TALLAHASSEE CREEK DISTRICT, FREMONT COUNTY, COLORADO: US ATOMIC ENERGY COMMISSION RME-1083, OPEN-FILE REPORT, 39 P.}{Production:: NELSON-MOORE AND OTHERS, 1978; MACPHERSON, 1959}
ReporterCollins, Donna B.