Mine detail: Crucible Mine

Previously called 'Patented Claim: Crucible No. 1Ms 19702'

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Location

Lat / long:

37.99722, -107.98926

Resource(M)

Primary:	Uranium, Vanadium
Discovery year:	1915

Production

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

Geology

Host rock:	Entrada Sandstone
Host type:	Sandstone
Associated rock:	Porphyritic Microgabbro
Associated type:	Gabbro
Structure:	Paradox Basin, Uncompahgre Uplift, San Juan Volcanic Field, San Miguel Mtns, Gray Head Fault, Unnamed Fault, Gray Head Laccolith
Tectonic:	Colorado Platform

References

MRDS	D010930
DEP	10014245
Reference	{Deposit:: FISCHER, R.P., AND OTHERS, 1947, VANADIUM DEPOSITS NEAR PLACERVILLE, SAN MIGUEL COUNTY, COLORADO: COLORADO SCI. SOC. PROC., V. 15, NO. 3, P. 117-146.}{Deposit:: BUSH, A.L., AND OTHERS, 1961, PRELIMINARY GEOLOGIC MAP OF THE GRAY HEAD QUADRANGLE, SAN MIGUEL COUNTY, COLORADO: USGS MAP MF-176.}{Deposit:: NELSON-MOORE, J.L., AND OTHERS, 1978, RADIOACTIVE MINERAL OCCURRENCES OF COLORADO AND BIBLIOGRAPHY: CGS BULL. 40, P. 413.}{Deposit:: BLM MINERAL SURVEY MS 19702}{Production:: NELSON-MOORE AND OTHERS, 1978, P. 413}
Reporter	Schwochow, Stephen D.