Colorado · Clear Creek County
Producer

Henderson Mine

Clear Creek County, Colorado, United States
MolybdenumTinTungstenLeadIronZinc
⌖ Show on mapUSGS source ↗
Description

Amax

Commodities
PrimaryMolybdenum
SecondaryTin, Tungsten, Lead
TertiaryIron, Zinc
Commodity typeM
Deposit
Deposit typeClimax Mo
Model50: Climax Mo
Deposit sizeL
WorkingsUnderground
Orebody formELLIPTICAL IN PLAN, UMBRELLA SHAPED IN PROFILE
Ore controlFractures On Roof And Flanks Of Multiple-Stage Intrusion
Materials
Ore mineralsMolybdenite
GangueFluorite, Galena, Hematite, Huebnerite, Magnetite, Pyrite, Quartz, Sericite, Sphalerite, Topaz, Rhodochrosite
Geology
Host rockGranitoid,Granite · "Urad porphyry", "Primos porphyry", "Henderson granite"
Associated rockRhyolite,Granite · "Red Mountain Complex- multi-phase intrusive complex of high silica, alkali-rich rhyolite, and granite porphyry", "Silver Plume Granite"
StructureFront Range Uplift, Silver Plume Batholith, Colorado Mineral Belt, Straight Cr., Vasquez Cr., Loveland Pass-Berthoud Pass Fault Zones
AlterationArgillic Griesen Below Ore Body. Quartz, Quartz-Topaz-Magnetite, Quartz-Sericite-Pyrite, Argillic, And Propylitic Zones Progressively Above Ore Body
Economic & production
Development statusProducer
First production1976
Discovery year1965
Identification
Deposit ID10012410
MRDS IDD008022
RegionNA
Data scoreA
Coordinates39.76916, -105.84199
References
AMAX, (NO DATE), HENDERSON: CLIMAX MOLYBDENUM CO. BROCHURE, 25 P.THE HENDERSON MINE (MILL) CONCENTRATOR: JOUR. METALS, V. 29, NO. 10 (OCTOBER 1977), P. 9-12.DESBOROUGH, G.A., AND MIHALIK, PETER, 1980, ACCESSORY MINERALS IN THE IGNEOUS HOST OF MOLYBDENUM ORE, HENDERSON MINE, COLORADO: USGS OPEN-FILE REPT 80-661, 16 P.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.COLORADO DIV. MINES ANN. OPERATOR REPTS.PETERSON, EILEEN K., 1992, USBM MINERALS TODAY OCT. 1992, P.30.MINING MAGAZINE. HENDERSON-ON STREAM. JAN 1977. VOL. 136. NO. 1. P. 10-23.E/MJ. MAINTENANCE PROGRAM FOR MOBILE EQUIPMENT CUTS COSTS AT HENDERSON MOLY MINE, MAY 1978 .E/MJ. HENDERSON: A 15-MILE SHOWCASE FOR MINING, RAILROADING AND PROCESSING, 1969MINING MAGAZINE. THE HENDERSON PROJECT. AUG 1975BUSINESS WEEK. A CLEVER ORE TRAIN THAT WORKS. JULY 1976RAILWAY TRACK AND STRUCTURES. ISOLATED MINING LINE HAS BIG RAILROAD FEATURES, SEPT 1975JOURNAL OF METALS. THE HENDERSON MINE/MILL/CONCENTRATOR. OCT 1977WORLD MINING. HOW TO SINK VENT SHAFT IN REMOTE AREAS USING HELICOPTER SUPPORT. JULY 1975. P 30-35.SKILLING'S MINING REVIEW. HAULAGE TUNNEL HOLED THROUGH AT AMAX'S HENDERSON MINE AUGUST 2 1975 P 10-11.BROWN L.F. RECLAMATION AT CLIMAX, URAD AND HENDERSON MINE. MINING CONGRESS JOURNAL, APRIL 1976.NICKEL NEWS. ISSUE 32/52. 8/6/97. P.12.CYPRUS AMAX MINERALS CO., FORM 10-K RPT, 12/31/93, P 7.White, W.H.,Bookstrom, A.A., Kamilli, R.J., Ganster, M.W., Smith, R.P., Ranta, D.E., and Steininger, R.C., 1981, Character and Orgin of Climax-type Molybdenum Deposits: in Economic geology; Seventy-fifth anniversary volume; 1905-1980, pgs 270-316Carten, R.B., Walker, B.M., Geraghty, E.P., and Gunow, A.J.,1988a, Comparison of field-based studies of the Henderson porphyry molybdenum deposit, Colorado, with experimental and theoretical models of porphyry systems: Canadian Institute of Mining and Metallurgy Special Volume 39, p. 351?366\n\nCarten, R.B., Geraghty, E.P., Walker, B.M., and Shannon, J.R., 1988, Cyclic development of igneous features and their relationship to high-temperature hydrothermal features in the Henderson porphyry molybdenum deposit, Colorado: Economic Geology, v. 83, p. 266-296Seedorf, E., and Einaudi, M. T., 2004, Henderson porphyry molybdenum system, Colorado, Part I: Economic Geology, v. 99, p.3-37; Part II: Economic Geology, v. 99, p. 39-72.AMAX Annual Reports or 10K YRS 85-92\nCyprus Amax Press release or 10K YRS 93-98\nPhelps Dodge 10K or Annual Reports YRS 99-2006\nFreeport Press release or Quarterly report YRS 2007-2010\nFreeport-McMoRan Copper Press release 2010COLO. DIV. MINES ANN. OPERATOR REPTS.Freeport-McMoRan Copper 10K 2/25/11 \nPERSONNEL CONTACT, MARCH 96.