Mine detail: East Big Wash Prospect

Previously called 'Sputnik No. 1'

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Location

Lat / long:

38.54445, -105.55614

Resource(M)

Primary:	Uranium
Ore:	Coffinite, Uraninite
Gangue:	Hematite, Limonite
Orebody form:	TABULAR, PODS

Production

Operation type:	Surface
Production size:	None
Development status:	Occurrence

Geology

Host type:	Volcanic Breccia (Agglomerate)
Associated rock:	Wall Mountain Tuff Was Probable Principal Uranium Source
Associated type:	Rhyolite
Structure:	Thirtynine 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

MRDS	D009350
DEP	10094559
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. 147}{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:: 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.}
Reporter	Collins, Donna B.