Mine detail: Maybell Mines

Previously called 'Marge MineGertrude PitsTrace Elements Pits'

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Location: Moffat County, Colorado, United States, North America
Lat / long: 40.54719, -107.99511
dep_id: 10107975
mrds_id: D008020
Commodity type: metallic
Major mineral: Uranium
Minor mineral: Molybdenum
Operation type: Unknown
Production size: Medium ammount of material produced
Development status: Producer
ore: Ilsemannite, Jordisite, Uranophane
gangue: Calcite, Clay, Gypsum, Jarosite, Limonite, Pyrite, Quartz
orebody_fm: LENTICULAR
work_type: Surface/Underground
alteration: Oxidation Of Fe And U Minerals
Reporter: Schwochow, Stephen D. (King, Robert U.)
hrock_unit: Browns Park Formation
hrock_type: Sandstone
Structure: Washakie Basin, Axial Basin, Lay Syncline, Maybell Monocline, Normal Fault (Unnamed)
tectonic: Colorado Platform
Year first produced: 1955
disc_yr: 1954
References:
  • Deposit:: NELSON-MOORE, J.L., COLLINS, D.B., AND HORNBAKER, A.L., 1978, RADIOACTIVE MINERAL OCCURRENCES OF COLORADO AND BIBLIOGRAPHY; COLORADO GEOLOGICAL SURVEY BULL. 40, P. 268, 271.
  • Deposit:: MCKAY, E.J., AND BERGIN, M.J., 1974, GEOLOGIC MAP OF THE MAYBELL QUADRANGLE, MOFFAT COUNTY, COLORADO: USGS GQ-1145.
  • Deposit:: WRIGHT, R.J., AND EVERHART, D.L., 1960, URANIUM, IN DEL RIO, S.M., MINERAL RESOURCES OF COLORADO-FIRST SEQUEL: COLO. STATE MINERAL RESOURCES BD., P. 343-347.
  • Deposit:: KING, R.U., (UNPUBLISHED DATA)
  • Production:: COLO. DIV. MINES ANN. OPERATOR REPTS.
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