Mine detail: Hansen Ore Body

Previously called ''

<< Back to the map

Location

Lat / long:

38.55001, -105.55336

Resource(M)

Primary:	Uranium
Ore:	Coffinite, Uraninite
Gangue:	Hematite, Limonite
Orebody form:	TABULAR, PODS
Discovery year:	1979

Production

Operation type:	Unknown
Production size:	None
Development status:	Prospect

Geology

Host rock:	Echo Park Alluvium, Fluvial Facies, Lower Part
Host type:	Mudstone,Sandstone,Conglomerate
Associated rock:	Wall Mountain Tuff Was Probable Principal Uranium Source
Associated type:	Rhyolite
Structure:	Thirtynine Mile Volcanic Field, Currant Creek Basin, Echo Park Graben, Paleovalley; Deposit Is On Outside Of Paleovalley Meander. The Orebody Is Bounded By Two Burled, High Angle, Normal Faults; One On The Southeast And Another Which May Parallel The Western Edge Of The Orebody.
Tectonic:	Central Cordillera (Southern Rocky Mountains)
Alteration processes:	Oxidation; Alteration Of Feldspar To Clay

References

MRDS	D009322
DEP	10013176
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. 148.}{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.}{Deposit:: BABCOCK, J.A., 1980, TALLAHASSEE CREEK URANIUM DEPOSITS: DENVER REGIONAL EXPLORATION GEOLOGISTS SOCIETY GUIDEBOOK, P. 15-31.}{Deposit:: 5) CYPRUS MINES CORPORATION, 1979, ENVIRONMENTAL REPORT, HANSEN PROJECT, FREMONT COUNTY, COLORADO: CYPRUS MINES CORP./WYOMING MINERAL CORP., P. 2.4.1-2.4.28.}{Reserve-Resource:: BABCOCK, J.W., 1980}
Reporter	Collins, Donna B., Keller, John W.