Mine detail: Big Chief 1 Claim

Previously called 'Star Mine'

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Location

Lat / long: 38.24862, -105.2614

Resource(B)

Primary: Barium-Barite, Silver
Secondary: Lead
Tertiary: Copper, Thorium, REE, Uranium
Ore: Barite, Chalcopyrite, Galena, Thorite
Gangue: Quartz, Siderite
Orebody form: TABULAR

Production

Operation type: Surface-Underground
Production size: Small
Development status: Past Producer
First production started: 1932
Last production ended: 1932

Geology

Host rock:migmatite
Host type:Gneiss
Structure:Wet Mountains, Ilse Fault
Tectonic:Central Cordillera (Southern Rocky Mtns)

References

MRDSD008249
DEP10101752
Reference{Deposit:: 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.119}{Deposit:: BROCK, M.R. AND SINGEWALD, Q.D., 1968, GEOLOGIC MAP OF THE MOUNT TYNDALL QUADRANGLE, CUSTER COUNTY, COLORADO: USGS MAP GQ-596}{Deposit:: 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. 22, 25}{Deposit:: DEL RIO, S.M., 1960, MINERAL RESOURCES OF COLORADO, FIRST SEQUEL: COLORADO MINERAL RESOURCES BOARD, P. 395.}{Production:: DEL RIO, 1960, P. 395}
ReporterCollins, Donna B.