Mine detail: Sewell Ranch

Previously called ''

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Location

Lat / long:

38.16807, -105.21529

Resource(M)

Primary:	Thorium, REE
Ore:	Thorite
Gangue:	Barite, Calcite, Galena, Limonite, Quartz
Orebody form:	TABULAR
Discovery year:	1952

Production

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

Geology

Host rock:	Alaskitic Granite Gneiss And Hornblende Gneiss
Host type:	Gneiss
Associated type:	Syenite
Structure:	Wet Mountains
Tectonic:	Central Cordillera (Southern Rocky Mountains)
Alteration processes:	Some Alteration

References

MRDS	D008266
DEP	10012580
Reference	{Deposit:: NELSON-MOORE, J.L., COLLINS, D.B., AND HORNBAKER, A.L. 1978, RADIOACTIVE MINERAL OCCURRRNCES OF COLORADO AND BIBLIOGRAPHY: COLORADO GEOLOGICAL SURVEY BULLETIN 40, P. 123}{Deposit:: CHRISTMAN, R.A., HEYMAN, A.M., DELLWIG, L.F., GOTT, G.B., 1953, THORIUM INVESTIGATIONS 1950-52, WET MOUNTAINS, COLORADO: USGS CIRCULAR 290, P. 26.}{Deposit:: SCOTT, G.R., TAYLOR, R.B., EPIS, R.C., AND WOBUS, R.A., 1978, GEOLOGIC MAP OF THE PUEBLO 10X20 QUADRANGLE, SOUTH-CENTRAL COLORADO: USGS MAP I-1022}
Reporter	Collins, Donna B.