Colorado · Custer County
Prospect

Sewell Ranch

Custer County, Colorado, United States
REEThorium
⌖ Show on mapUSGS source ↗
Commodities
PrimaryREE, Thorium
Commodity typeM
Deposit
Model30: Thorium-rare-earth veins
Deposit sizeN
WorkingsSurface/Underground
Orebody formTABULAR
Ore controlMineralized Vein, Strongly Sheared;
Materials
Ore mineralsThorite
GangueBarite, Calcite, Galena, Limonite, Quartz
Geology
Host rockGneiss · Alaskitic Granite Gneiss And Hornblende Gneiss
Associated rockSyenite
StructureWet Mountains
Tectonic settingCentral Cordillera (Southern Rocky Mountains)
AlterationSome Alteration
Economic & production
Development statusProspect
Discovery year1952
Identification
Deposit ID10012580
MRDS IDD008266
RegionNA
Data scoreB
Coordinates38.16807, -105.21529
References
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. 123CHRISTMAN, R.A., HEYMAN, A.M., DELLWIG, L.F., GOTT, G.B., 1953, THORIUM INVESTIGATIONS 1950-52, WET MOUNTAINS, COLORADO: USGS CIRCULAR 290, P. 26.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