Colorado · Fremont County
Past Producer

Bear Claims Nos. 1 and 2 1977

Fremont County, Colorado, United States
LeadBarium-BariteCopperGoldThoriumSilver
⌖ Show on mapUSGS source ↗
Commodities
PrimaryLead, Barium-Barite
TertiaryCopper, Gold, Thorium, Silver
Commodity typeB
Deposit
Model24: Carbonatite
Deposit sizeS
Ore controlFaults, Fault Intersections; Shear Zones
Materials
Ore mineralsBarite, Galena, Gold, Malachite, Thorite
GangueCalcite, Magnetite, Pyrite, Quartz, Siderite
Geology
Host rockSchist,Gneiss · Migmatitic Gneiss
Associated rockSyenite
StructureNw-Trending Fault Along Pierce And Bear Gulches; Related Shear Zones Strike N 50-8 W, Northern Wet Mountains, Canon City Embayment, Thirtynine Mile Volcanic Field
Tectonic settingCentral Cordillera (Southern Rocky Mountains)
AlterationAltered Biotite Gneisses; Kaolinization
Economic & production
Development statusPast Producer
Identification
Deposit ID10101813
MRDS IDD009673
Alternate namesOld Cunac Property, Wagner-Grape Creek Lode
RegionNA
Data scoreB
Coordinates38.32223, -105.36807
References
COKER, R. J., 1982, MINERAL RESOURCES OF THE ARKANSAS CANYON PLANNING UNIT WITH SPECIAL EMPHASIS ON THE FORMER GRAPE CREEK WILDERNESS STUDY AREAS AND THE MCINTYRE HILLS WILDERNESS STUDY AREA: US BLM MINERAL REPORT, P. 77-80TAYLOR, R. B., SCOTT, G. R., WOBUS, R. A., AND EPIS, R. C., 1975, RECONNAISSANCE GEOLOGIC MAP OF THE ROYAL GORGE QUADRANGLE, FREMONT AND CUSTER COUNTIES, COLORADO: USGS MAP I-869, 1: 62,500.NELSON-MOORE, J. L., COLLINS, D. B. AND HORNBAKER, A. L., 1978, RADIOACTIVE MINERAL OCCURRENCES OF COLORADO AND BIBLIOGRAPHY: CGS BULLETIN 40, P. 146CHRISTMAN, R. A., HEYMAN, A. M., DELLWIG, L. F. AND GOTT, G. B., 1953, THORIUM INVESTIGATIONS, 1950-52, WET MOUNTAINS, COLORADO: USGS CIRCULAR 290, 40 P.