Mine detail: Urad Mine

Previously called 'Henderson'

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Location: Clear Creek County, Colorado, United States, North America
Lat / long: 39.7561, -105.82782
dep_id: 10012413
mrds_id: D008026
Commodity type: metallic
Major mineral: Molybdenum
Trace mineral: Lead, Zinc, Tungsten, Uranium
Operation type: Unknown
Deposit type: Stockwork
Production size: Small ammount of material produced
Development status: Past Producer
ore: Molybdenite
gangue: Ferrimolybdite, Fluorite, Galena, Huebnerite, Pyrite, Quartz, Sericite, Sphalerite, Rhodochrosite
orebody_fm: CYLINDRICAL OR PIPELIKE
work_type: Underground
model: 50: Climax Mo
alteration: Silicification, Sericitization, K-Feldspathization
conc_proc: Hydrothermal Solutions Rising Thru Major Fault Zones And Into Hanging Wall Fracture/Breccia Zones
ore_ctrl: Cone Sheet Fracture Zone In Roof Of Multiple-Stage Intrusion
Reporter: Schwochow, Stephen D. (King, Robert U.), Beach, Richard A., Melton, Greg
hrock_unit: Square quartz porphyry, Tungsten Slide unit, Silver Plume Granite
hrock_type: Granitoid,Granite
arock_unit: Red Mountain Porphyry
arock_type: Granitoid
Structure: Front Range Uplift, Silver Plume Batholith, Colorado Mineral Belt, Straight Cr., Vasquez Cr., Loveland Pass-Berthoud Pass Fault Zones, Main Fissure
Year first produced: 1915
yr_lst_prd: 1974
disc_yr: 1925
References:
  • Commodity:: Nelson-Moore, J.L., Collins, D.B., and Hornbaker, A.L., 1978, Radioactive mineral occurrences of Colorado: Colorado Geological Survey Bulletin 40, 1054 p., 12 pl.
  • Deposit:: WALLACE, S.R., AND OTHERS, 1978, GEOLOGY OF THE URAD AND HENDERSON MOLYBDENITE DEPOSITS, CLEAR CREEK COUNTY, COLORADO, WITH A SECTION ON A COMPARISON OF THESE DEPOSITS WITH THOSE AT CLIMAX, COLORADO: ECON. GEOLOGY, V. 73, P. 325-368.
  • Deposit:: VANDERWILT, J.W., 1947, MISCELLANEOUS METALS--MOLYBDENUM, IN MINERAL RESOURCES OF COLORADO: COLORADO MINERAL RESOURCES BD., P. 222-226.
  • Deposit:: COLORADO DIV. MINES ANN. OPERATOR REPTS.
  • Deposit:: SKILLINGS, J.B., 1967, CLIMAX MOLYBDENUM CO. DEDICATES URAD MINE IN COLO. SEPT. 14: SKILLINGS MINING REVIEW.
  • Deposit:: OCT, 1967, URAD MINE DEDICATION MARKS OFFICIAL STARTUP OF NEW MOLY PRODUCER: MINING ENGINEERING.
  • Deposit:: OCT, 1967, NEW URAD MOLY MINE IS BLOCK-CAVED FOR 3-STAGE UNDER GROUND CRUSHING: ENGINEERING & MINING JOURNAL.
  • Production:: COLO. DIV. MINES ANN OPERATOR REPORTS; ANNUAL ITEM 15: AMAX.
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