Mine detail: Urad Mine

Previously called 'Henderson'

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Location

Lat / long: 39.7561, -105.82782

Resource(M)

Primary: Molybdenum
Tertiary: Lead, Zinc, Tungsten, Uranium
Ore: Molybdenite
Gangue: Ferrimolybdite, Fluorite, Galena, Huebnerite, Pyrite, Quartz, Sericite, Sphalerite, Rhodochrosite
Orebody form: CYLINDRICAL OR PIPELIKE
Discovery year: 1925

Production

Operation type: Unknown
Deposit type: Stockwork
Production size: Small
Development status: Past Producer
First production started: 1915
Last production ended: 1974

Geology

Host rock:Square quartz porphyry, Tungsten Slide unit, Silver Plume Granite
Host type:Granitoid,Granite
Associated rock:Red Mountain Porphyry
Associated type:Granitoid
Structure:Front Range Uplift, Silver Plume Batholith, Colorado Mineral Belt, Straight Cr., Vasquez Cr., Loveland Pass-Berthoud Pass Fault Zones, Main Fissure
Alteration processes:Silicification, Sericitization, K-Feldspathization

References

MRDSD008026
DEP10012413
Reference{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.}
ReporterSchwochow, Stephen D. (King, Robert U.), Beach, Richard A., Melton, Greg