Mine detail: Butterfly Group

Previously called ''

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Location

Lat / long:

40.12219, -107.67066

Resource(M)

Primary:	Vanadium, Uranium
Ore:	Carnotite, Tyuyamunite
Orebody form:	TABULAR

Production

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

Geology

Host rock:	Salt Wash Member of Morrison Formation
Host type:	Sandstone
Structure:	White River Uplift, Axial Basin Arch, Danforth Hills Anticline, Sulphur Creek Syncline, Unnamed Anticline
Tectonic:	Colorado Platform

References

MRDS	D009669
DEP	10013399
Reference	{Deposit:: NELSON-MOORE, J. L., COLLINS, D. B., AND HORNBAKER, A. L., 1978, RADIOACTIVE MINERAL OCCURRENCES OF COLORADO AND BIBLIOGRAPHY: CGS BULL. 40, P. 378}{Deposit:: TWETO, OGDEN, 1976, GEOLOGIC MAP OF THE CRAIG 1 DEGREES X 2 DEGREES QUADRANGLE, NORTHWESTERN COLORADO: USGS MAP I-972, 1:250,000.}{Production:: NELSON-MOORE AND OTHERS (1978); COLO. DIV. MINES ANN. OPERATOR REPTS}
Reporter	Banke, Carl M.