Mine detail: Old Leyden Mine

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Location: Jefferson County, Colorado, United States, North America
Lat / long: 39.84999, -105.23114
dep_id: 10013508
mrds_id: D009853
Commodity type: metallic
Major mineral: Coal, Uranium
Operation type: Unknown
Production size: Small ammount of material produced
Development status: Past Producer
ore: Coffinite, Uraninite, Uranophane
gangue: Marcasite, Pyrite
orebody_fm: TABULAR
Reporter: Banke, Carl M., Spanski, Gregory T.
hrock_unit: Laramie Formation
hrock_type: Claystone,Sandstone,Coal
Structure: Denver Basin, Front Range Uplift, Golden Fault
tectonic: Central Platform
Year first produced: 1950
yr_lst_prd: 1956
disc_yr: 1874
discr: E.L. Berthoud
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. 194
  • Deposit:: SIMS, P.K., AND SHERIDAN, D.M., 1964, GEOLOGY OF URANIUM DEPOSITS IN THE FRONT RANGE, COLORADO: USGS BULL. 1159, P. 104-105
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