Mine detail: Firefly, Pigmay

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Location: San Juan County, Utah, United States, North America
Lat / long: 38.33193, -109.09875
dep_id: 10015129
mrds_id: DB00179
Commodity type: metallic
Major mineral: Uranium
Minor mineral: Vanadium
Operation type: Unknown
Production size: Large ammount of material produced
Development status: Past Producer
ore: Carnotite, Coffinite, Montroseite, Torbernite, Tyuyamunite, Uraninite, Uranophane
gangue: Galena, Gypsum, Limonite, Pyrite, Sphalerite
orebody_fm: LENS, TABULAR, IRREGULAR,
work_type: Underground
conc_proc: Precipitation From Ground Water In A Reducing Environment
ore_ctrl: Paleochannels, Scour Fill
Reporter: Jones, Harold H.
hrock_unit: Salt Wash Member of Morrison Formation
hrock_type: Mudstone,Sandstone
Structure: La Sal Creek Syncline
tectonic: Stable Platform
References:
  • Deposit:: CARTER, W. D., AND GUALTIERI, J. L., 1965 , GEOLOGY AND URANIUM - VANADIUM DEPOSITS OF THE LA SAL QUADRANGLE, SAN JUAN CO., UTAH AND MONTROSE CO., COLO.: U.S.G.S. PROF. PAPER 50
  • Production:: UGMS - STUDY - 1973
  • Reserve-Resource:: JONES, H., 1977
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