Commodities
PrimaryThorium, REE
TertiaryBarium-Barite, Copper, Lead
Commodity typeB
Deposit
Model30: Thorium-rare-earth veins
Deposit sizeN
WorkingsSurface/Underground
Ore controlMineralized Veins, Shear Zone; Nw-Trending Fault Zone
Materials
Ore mineralsBarite, Chalcopyrite, Galena, Thorite
GangueCalcite, Limonite, Pyrite, Quartz, Siderite
Geology
Host rockGneiss,Granite · Hornblende Gneiss
StructureWet Mountains, Large, Northwest-Trending Dead Mule Gulch Fault; Smaller, Northeast-Trending Fault
Tectonic settingCentral Cordillera (Southern Rocky Mtns)
Economic & production
Development statusPast Producer
Identification
Deposit ID10012567
MRDS IDD008250
Alternate namesDerby Extension
RegionNA
Data scoreB
Coordinates38.24112, -105.36724
References
NELSON-MOORE, J.L., COLLINS, D.B., AND HORNBAKER, A.L., 1978, RADIOACTIVE MINERAL OCCURRENCES OF COLORADO AND BIBLIOGRAPHY: COLORADO GEOLOGICAL SURVEY BULLETIN 40, P.120BROCK, M.R. AND SINGEWALD, Q.D., 1968, GEOLOGIC MAP OF THE MOUNT TYNDALL QUADRANGE, CUSTER COUNTY, COLORADO: USGS MAP GQ-596.CHRISTMAN, R.A., HEYMAN, A.M., DELLWIG, L.F., AND GOTT, G.B., 1953, THORIUM INVESTIGATIONS 1950-52, WET MOUNTAINS, COLORADO: USGS CIRCULAR 290, P. 24-25.CHRISTMAN, R.A., BROCK, M.R., PEARSON, R.C., AND SINGEWALD, Q.D., 1959, GEOLOGY AND THORIUM DEPOSITS OF THE WET MOUNTAINS, COLORADO, A PROGRESS REPORT: USGS BULLETIN 1072-H, P.522-524.