Mine detail: Crucible Mine

Previously called 'Patented Claim: Crucible No. 1Ms 19702'

<< Back to the map

<< Back to browsing

Location: San Miguel County, Colorado, United States, North America
Lat / long: 37.99722, -107.98926
dep_id: 10014245
mrds_id: D010930
Commodity type: metallic
Major mineral: Uranium, Vanadium
Operation type: Unknown
Production size: Small ammount of material produced
Development status: Past Producer
conc_proc: Ore Deposition Within Permeable Sandstone May Have Resulted By Precitation From Actively Circulating Ground Waters Below Slightly Uneven Water Table Or At Interface Between Two Types Of Ground Water. Metals May Have Been Derived From Trace Amounts In Solution In Pore Water During Sand Deposition Or From Trace Amounts Dissolved From Rocks During Diagenesis.
ore_ctrl: Permeable Sandstone Underlying Pony Express Limestone
Reporter: Schwochow, Stephen D.
hrock_unit: Entrada Sandstone
hrock_type: Sandstone
arock_unit: Porphyritic Microgabbro
arock_type: Gabbro
Structure: Paradox Basin, Uncompahgre Uplift, San Juan Volcanic Field, San Miguel Mtns, Gray Head Fault, Unnamed Fault, Gray Head Laccolith
tectonic: Colorado Platform
disc_yr: 1915
discr: Crucible Steel Mining And Milling Co. (Claimant)
References:
  • Deposit:: FISCHER, R.P., AND OTHERS, 1947, VANADIUM DEPOSITS NEAR PLACERVILLE, SAN MIGUEL COUNTY, COLORADO: COLORADO SCI. SOC. PROC., V. 15, NO. 3, P. 117-146.
  • Deposit:: BUSH, A.L., AND OTHERS, 1961, PRELIMINARY GEOLOGIC MAP OF THE GRAY HEAD QUADRANGLE, SAN MIGUEL COUNTY, COLORADO: USGS MAP MF-176.
  • Deposit:: NELSON-MOORE, J.L., AND OTHERS, 1978, RADIOACTIVE MINERAL OCCURRENCES OF COLORADO AND BIBLIOGRAPHY: CGS BULL. 40, P. 413.
  • Deposit:: BLM MINERAL SURVEY MS 19702
  • Production:: NELSON-MOORE AND OTHERS, 1978, P. 413
© 2010-2018 Lee C. Baker unless noted. All rights reserved.