Colorado · Custer County
Past Producer

Big Chief 1 Claim

Custer County, Colorado, United States
Barium-BariteSilverLeadCopperThoriumREEUranium
⌖ Show on mapUSGS source ↗
Commodities
PrimaryBarium-Barite, Silver
SecondaryLead
TertiaryCopper, Thorium, REE, Uranium
Commodity typeB
Deposit
Model30: Thorium-rare-earth veins
Deposit sizeS
WorkingsSurface/Underground
Orebody formTABULAR
Ore controlMineralized Veins, Shear Zones
Materials
Ore mineralsBarite, Chalcopyrite, Galena, Thorite
GangueQuartz, Siderite
Geology
Host rockGneiss · migmatite
StructureWet Mountains, Ilse Fault
Tectonic settingCentral Cordillera (Southern Rocky Mtns)
Economic & production
Development statusPast Producer
First production1932
Last production1932
Identification
Deposit ID10101752
MRDS IDD008249
Alternate namesStar Mine
RegionNA
Data scoreB
Coordinates38.24862, -105.2614
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.119BROCK, M.R. AND SINGEWALD, Q.D., 1968, GEOLOGIC MAP OF THE MOUNT TYNDALL QUADRANGLE, CUSTER COUNTY, COLORADO: USGS MAP GQ-596CHRISTMAN, R.A., HEYMAN, A.M., DELLWIG, L.F. AND GOTT, G.B., 1953, THORIUM INVESTIGATIONS 1950-52, WET MOUNTAINS, COLORADO: USGS CIRCULAR 290, P. 22, 25DEL RIO, S.M., 1960, MINERAL RESOURCES OF COLORADO, FIRST SEQUEL: COLORADO MINERAL RESOURCES BOARD, P. 395.DEL RIO, 1960, P. 395