Mine detail: Pine Tree Claim

Previously called 'Greenwood Property'

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Location: Custer County, Colorado, United States, North America
Lat / long: 38.18668, -105.29001
dep_id: 10012878
mrds_id: D008866
Commodity type: metallic and nonmetallic
Major mineral: Thorium
Minor mineral: Barium-Barite
Operation type: Underground
Production size: Small ammount of material produced
Development status: Past Producer
ore: Barite, Thorite
gangue: Fluorite, Galena, Limonite, Pyrite, Quartz, Specularite
work_type: Surface/Underground
model: 30: Thorium-rare-earth veins
ore_ctrl: Mineralized Veins And Shear Zones
Reporter: Collins, Donna B.
hrock_unit: Hornblende-Plagioclase Gneiss And Alaskitic Granite Gneiss
hrock_type: Gneiss
Structure: Wet Mountains, Nw-Trending Shear Zones
tectonic: Central Cordillera (Southern Rocky Mountains)
disc_yr: 1952
References:
  • 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. 17-19.
  • Deposit:: 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. 525-526
  • Deposit:: BROCK, M.R. AND SINGEWALD, Q.D., 1968, GEOLOGIC MAP OF THE MOUNT TYNDALL QUADRANGLE, CUSTER COUNTY, COLORADO: USGS MAP GQ-596, 1:24,000
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