Mine detail: Dilley Lease

Previously called 'Dilley Ranch'

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Location

Lat / long:

38.54057, -105.2264

Resource(M)

Primary:	Uranium
Ore:	Coffinite, Uraninite
Gangue:	Gypsum, Jarosite, Limonite
Orebody form:	IRREGULAR, TABULAR, LENTICULAR

Production

Operation type:	Surface-Underground
Production size:	Small
Development status:	Past Producer

Geology

Host rock:	Morrison Formation, Near Base Of Formation
Host type:	Black Shale,Evaporite
Structure:	Canon City Embayment, Southern Colorado Front Range, Local Folding; Large, Nnw-Trending Syncline
Tectonic:	Central Cordillera (Southern Rocky Mountains)

References

MRDS	D009631
DEP	10101808
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:: SCOTT, G. R., TAYLOR, R. B., EPIS, R. C. AND WOBUS, R. A., 1978, GEOLOGIC MAP OF THE PUEBLO 10 X 20 QUADRANGLE, SOUTH-CENTRAL COLORADO: USGS MAP I-1022, 1: 250,000}{Production:: NELSON-MOORE AND OTHERS (1978)}
Reporter	Collins, Donna B.