 | Wallace, S. R., MacKenzie, W. B., Blair, R. G., Muncaster, N. K. (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. Economic Geology, 73 (3) 325-368 doi:10.2113/gsecongeo.73.3.325 | Journal (article/letter/editorial) | | ClearCreekCounty,Colorado,with a Sectionon a Comparison of TheseDepositswith Thoseat Climax, Colorado STEWARTR...The Urad and Hendersonstockworkmolybdeniteorebodiesat Red Mountain, Clear Creek County,Colorado,are relatedto...specificallyrelated to different intrusiverocksof the complex. The Urad orebodywas depositedfirst and at shallowdepth. The...within a mile of the north-northeast-trendingBerthoud Pass fault. This fault is the major structural element...constitutethe buried stock are, from oldest to youngest,the Urad porphyry,the Primos porphyry,and the Hendersongranite |  | | Journal (article/letter/editorial) | | pp. 3–37 Henderson Porphyry Molybdenum System, Colorado: I. Sequence and Abundance of Hydrothermal Mineral...California 94305-2115 Abstract At Henderson, Colorado, 12 rhyolitic stocks of Oligocene age crystallized...separated events. High-temperature silicic (quartz-fluorite) and intense potassic (quartz-K-feldspar-molybdenite)...and high-temperature alteration-mineralization by mine geologists and collaborators (Shannon et al., 1982;...Geologic Setting and Intrusive History Henderson and Urad constitute a stacked pair of Climaxtype porphyry |  | | Journal (article/letter/editorial) | | (eastern) Oregon-Idaho-(western) Montana, (4) Colorado-NewMexico, (5) Nevada-southern California,and...productivedepositsare locatedin the southernRockyMountains(Urad-Henderson,Climax and Questa) and in the Interior...Rate (t.p.d.)x BritishColumbia 1967 46,000,000 Mine Alice (B. C. Molybdenum) 8,000 Company British...British Columbia,Canada (Noranda Subsidiary) Urad- Colorado 13,000,000 5,000 303,000,000 30,000 American...Y., U.S. A. 19672 (1975) Henderson Climax Colorado 1918 400,000,000a 42,000 American Metal Climax |  | | Journal (article/letter/editorial) | | Features in the Henderson Porphyry MolybdenumDeposit, Colorado RICHARDB. CARTEN,*ENNISP. GERAGHTY, BRUCEM. WALKER...include: (1) a Brain Rock unit with abundant quartz q-fluorite crenulatelayers, (2) a Border unit of generallylow...porphyry systemis assumedto be publicationson the Urad-Hendersonporphyry moderived from a magmaticsource(e...mineralizedintrusions,e.g., nine principal levels in the mine. Level plans and major and trace element chemistryof...SHANNON Red Mountain Peak intrusions.Mining of the Urad deposit was completed in 1974 and yielded 13.7 million |  | | Journal (article/letter/editorial) | | Sweet Home rhodochrosite specimen mine, Alma District, Central Colorado: the porphyry molybdenum–fluorine...sphalerite–tetrahedrite–rhodochrosite–fluorite in the Sweet Home Mine, Alma District, Colorado were originally mined...For the last 13 years up until 2004, however, the mine has produced world-class rhodochrosite specimens...geochemical (Mn, W, F) and mineralogical (topaz, fluorite, hubnerite, greisen muscovite) signature typically...the nearby area; (4) a small pegmatite within the mine with an age (25.9±0.3 Ma) coincident with mineralization | | | Journal (article/letter/editorial) | | Sweet Home rhodochrosite specimen mine, Alma District, Central Colorado: the porphyry molybdenum–fluorine...sphalerite–tetrahedrite–rhodochrosite–fluorite in the Sweet Home Mine, Alma District, Colorado were originally mined...For the last 13 years up until 2004, however, the mine has produced world-class rhodochrosite specimens...geochemical (Mn, W, F) and mineralogical (topaz, fluorite, hubnerite, greisen muscovite) signature typically...the nearby area; (4) a small pegmatite within the mine with an age (25.9±0.3 Ma) coincident with mineralization |  | | Journal (article/letter/editorial) | | developchemicalfingerprintsto the pluton(Thompson Creek),marginalannularbodrecognizedifferent alterationassemblages...model for molybdenitedepositsasso- (Little Boulder Creek and Cannivan). Granodiorite ciatedwith graniticsourcerocks...molybdenitesystems The sourceplutonsfor Climax, Henderson-Urad, and granitemolybdenitesystems--also showsignificant...tectonicsettingat the time and Mount Emmons-Redwell Basin, Colorado, are of formation,orebodygeometry,and trace element...monzonite 4, Climax, Colorado;Climax stock--graniteporphyry 5, Henderson, Colorado;Hendersongranite--graniteporphyry |  | Soulliere, S.J., Toth, M.I., Bankey, V.L., Smith, S.M., Pitkin, J.A., Cookro, T.M., Robinson, Roberts L.N., Molnia, C.L., Wandrey, C.J., Law, B.E., Spencer, C.W., Barker, C.E., Dersch, J.S. (1996) Resource potential and geology of the Routt National Forest and the Middle Park Ranger District of the Arapaho National Forest, Colorado. Open-File Report Vol. 1996 (96-82) US Geological Survey doi:10.3133/ofr9682 | Report (issue) | | Unconsolidated Deposits ...................... Colorado Mineral Belt ................................................................. Hahns Peak Mining District ...................................... Cam........................................ Henderson-Urad Molybdenum Area ..................................Bear Creek-Lone Pine Creek Anomalous Area .......................... Red Canyon-Crystal Mining District...Beaver Creek Area (Farwell Mining District) ........................... Dailey (Atlantic) Mining District |  | | Report (volume) | | --------------------------- Rowley or Reliance mine, by J. A. ~acKallor_____________ PimaCountY----...claims_______________________________________ Pinal County _________________________ ------- ______ -----__...-----__ Santa Cruz CountY---------------------------------------Santo Ni:iio mine, by D. H. Kupfer__...____ Yavapai CountY----------------------------------------------Copper Basin district _______ ------...--------------__ Commercial mine ______ ------------------------------__ Copper Hill mine __________ -------- |  | | Journal (article/letter/editorial) | | 39–72 Henderson Porphyry Molybdenum System, Colorado: II. Decoupling of Introduction and Deposition...hydrothermal mineral assemblages developed at Henderson, Colorado, as 12 rhyolitic stocks of Oligocene age were...Geologic Setting and Intrusive History Henderson and Urad constitute a stacked pair of Climaxtype porphyry...high-silica rhyolite at Red Mountain, Clear Creek County, Colorado (Wallace et al., 1978; White et al....Wallace, 1995). The older, shallower, and much smaller Urad deposit (Fig. 1) is hosted by stocks of rhyolite |  | | Journal (article/letter/editorial) | | Deposit, Colorado ALEXANDERJ. GVNOW, Departmentof GeologicalSciences,Universityof Colorado,Boulder, Colorado80309...MVNOZ Departmentof GeologicalSciences,Universityof Colorado,Boulder, Colorado80309 Abstract Anomalously high...the Henderson molybdenite deposit in Clear Creek County, Colorado. Twelve-element microprobe analysesof...molybdenite deposit in Clear (1974),Bailey (1977),and Lam•trreand Hodder Creek County, Colorado, is located approximately...youngest known major intrusion at the Henderson mine. /vw Alteration Ysp Ysp Pattern The alteration |  | | Journal (article/letter/editorial) | | of New Mexico and Colorado and along this rift projected northward through Colorado, Wyoming, Idaho, Montana...New Mexico, to the head of the San Luis Valley, Colorado. Geologicmapping(Van Alstine, 1968, 1970) at...graben continuesnorthward to the Leadville area, Colorado,wheregrabenstructurehasbeendescribed by Tweto...extendssouthwardinto Mexico and northward.throughNew Mexico, Colorado,Wyomand then cites similar associations elsewhere...tensional features that controlled .depositionof the fluorite are not merely local normal faults but parts of |  | | Journal (article/letter/editorial) | | nitesof alkali-calcicmagma series(e.g., Climax, Urad-Henderson,Mount Emmons);and ($) alkalic depositsfound...',. ,'x27'-'. l:] "-- r-•.. / -u 45. 47. URAD-HENDERSON 48. CLIMAX RED MOUNTAIN REDWELL BASIN...BASIN MT. EMMONS 19. 21. 23. ( [ SERB CREEK LUCKY SHIP RED BIRD ENDAKO SALAL BOSS MOUNTAIN MOUNT COPELAND...SILVER OIKE BALD BUTTE CANNIVAN GULCH IMA THOMPSON CREEK WHITE CLOUD LITTLE FALLS CUMO MAJUBA HILL BUCKINGHAM...GULCH 15. 16. 17. 18. , / AJAX TIDEWATER ROUNDY CREEK KITSAULT BELL MOLY '[rsZ- -,-• -, ' ,,-., 55 |  | | Journal (article/letter/editorial) | | result of the work conductedat Urad-Henderson and Climax, both in Colorado, the nature of compoundbrecciapipes...more than 100 pipes are exposed in the Copper Creek district in Pinal and Graham Counties,Arizona (CC, Fig..."small" disseminatedcopper deposit beneath the Mammoth mine area (Medhi, 1976). A secondstageof reconnaissance(carried...reviewing the Copper Creek The numberof intrusivebrecciabodies--especially district in Pinal and Graham...Klondyke;LP, Lavenderpit; MM, Morenci-Metcalfe; P, Pima mine; RH, Red Hill; RM, Red Mountain; SD, Safforddistrict; |  | | Journal (article/letter/editorial) | | pale green fluorite octahedra, 0.75 inch on edge, from the Henderson mine, Clear Creek County. Figure 2...2 (right). Green fluorite encrusted with quartz on a plate of quartz, from a prospect in the Needle Mountain...Mountain Wilderness area near Columbine Lake, La Plata County; largest crystal measures 1.25 inches on edge;... C*O*L*O*R*A*D*O FLUORITE BARBARA L. MUNTYAN Ouray County Museum Ouray, Colorado 81427 Mineral photographs...reported from numerous localities worldwide. Fine fluorite specimens in many habits and colors have been |  | | Report (issue) | | the major product (as at Climax and Henderson, Colorado, and Questa, New Mexico), or is a co- or byproduct...XVT XVA XWA XWI XWY ALASKA ARIZONA CALIFORNIA COLORADO GEORGIA IDAHO MAINE MISSOURI MONTANA NEVADA NEW...of the Pine Grove-B la*n Mountain area. Beaver County, Utah: U. S. Geological Survey Open-File Report...wah wah Mountains, Beaver County, Utah (abstract): American Institute of Mining, Metallurgical and Petroleum...deposits of the Mount Antero region, Chaffee County, Colorado: U.S. Geological Survey Bulletin 982-D, p |  | | Journal (issue) | | Julius Weber Mamaroneck, New York COLORADO ISSUE #2 Articles Colorado locality index.............................. 323 by B. L. Muntyan What’s new in Colorado minerals? ...................................... Famous mineral localities: the Home Sweet Home mine ..................................................339 by M. I. Jacobson The San Juan Mountains of Colorado ..................................349 by J. A...10 cm tall, from the Yucca Hill claim, Park County, Colorado. Richard A. Kosnar specimen; photo by John |  | | Journal (article/letter/editorial) | | August 2013 BARBARA L. MUNTYAN P.O. Box 495 Ouray, Colorado 8 I427 hodochrosite, a manganese carbonate with...Rhodochrosite has also been found in many localities in Colorado, particularly in the mines of the San luan Mountains...it i s one of the most recognized and coveted Colorado minerals. partiY DO e the presence of a mix...occurs in significant amounts in many mining districts of the Colorado mineral belt, a large, elongated,...extreme southwestem comer of Colorado. Most of the metal mining in Colorado has been within this belt since |  | | Report (volume) | | Intrusive Rocks ana Associated Ore Deposits in the Colorado Mineral Belt U.S. GEOLOGICAL SURVEY BULLETIN... Alaska Rm. 101,4230 University Dr. LAKEWOOD, Colorado Federal Center, Bldg. 810 MENLO PARK, California...Intrusive Rocks and Associated Ore Deposits in the Colorado Mineral Belt By Charles G. Cunningham, Charles...understand the temporal and spatial evolution of the Colorado Mineral Belt UNITED STATES GOVERNMENT PRINTING...intrusive rocks and associated ore deposits in the Colorado Mineral Belt / by Charles G. Cunningham ... [et |  | | Journal (article/letter/editorial) | | with depth. This was first recognized at Climax, Colorado (Fig. 2), where dikes emanating from the top of...Henderson, Colorado), breccia pipes (e.g., Cave Peak, Texas; Questa, New Mexico; Mt. Emmons, Colorado – Fig...Climax (Colorado), Henderson (Colorado), Pine Grove (Utah), Questa (New Mexico), Silver Creek (Colorado;...(Colorado; also called Rico), Chicago Basin (Colorado), Cave Peak (Texas) and Big Ben (Montana) (see Bookstrom...occur either as mafic dikes (Henderson; Silver Creek, Chicago Basin), as composite dikes with mafic rims |  | Lüders, Volker, Romer, Rolf L., Gilg, H. Albert, Bodnar, Robert J., Pettke, Thomas, Misantoni, Dean (2009) A geochemical study of the Sweet Home Mine, Colorado Mineral Belt, USA: hydrothermal fluid evolution above a hypothesized granite cupola. Mineralium Deposita, 44 (4) 415-434 doi:10.1007/s00126-008-0221-3 | Journal (article/letter/editorial) | | geochemical study of the Sweet Home Mine, Colorado Mineral Belt, USA: hydrothermal fluid evolution above...rite–topaz– muscovite–fluorite and subsequent hübnerite and sulfide– fluorite–rhodochrosite mineralization...mineralization at the Sweet Home Mine occurred coeval with the final stage of magmatic activity and ore formation...distribution in fluorite suggest that the early-stage quartz–molybdenite–pyrite–topaz–muscovite–fluorite minerEditorial...Geosciences, Virginia Tech, Blacksburg, VA 24061, USA T. Pettke Institute of Geological Sciences, University |  | | Journal (article/letter/editorial) | | magmatic-hydrothermal and hydromag- the Cabeza de Vaca district (Sillitoe and Sawkins, matic processesand therefore...deposit Childs-Aldwinklepipe in the Copper Creek district typesare generallyabsentfrom arc terranes,amag-...thoughthe absenceof examplesin Table 2 younger Creek districtis underlainby a mineralizedopenfisthan...Golden Sun- light, Montana Victoria, Nevada Copper Creek, Calcareous sedi- ments,latite porphyry Limestone...end-member or in part of, a pipe, as at Bull-Domingo,Colorado types. These terms are preferred to the roughly |  | | Journal (article/letter/editorial) | | 553-566 Structural Controls in the Red River District, New Mexico K. F. CLARK Abstract Granite stocks...east-northeasttrending graben in the Red River district, New Mexico. The stocksare localized in an area...Introduction RECENT mapping in the Red River district, New Mexico, reveals the overall structural fabric...feet. The Red River and its tribu- tory, Cabresto Creek, located approximately three miles to the north...apparenton the higher peaksnorth and southof the district,are generallyabsent. However the area has view |  | | Report (issue) | | Henderson Mine, Colorado By George A. Desborough U. S. Geological Survey Denver, Colorado, 80225 and...Extractive Research and Development, Inc. Golden, Colorado, 80401 Open~File Report 80-661 1980 This report...units vhich occur at the Henderson molybdenum mine, Colorado. The major minerals in fresh Henderson host...sory minerals include ilmenorutile, monazite, fluorite, zircon, apatite, magnetite* xenotime, uranium-bearing...molybdenite, pyrite, Fe-Mn carbonates, calcite, fluorite, sericite, sphalerite, and galena, which typically |  | | Journal (article/letter/editorial) | | is incorporatedin greisenminerals(mainly topaz, fluorite,and micas)and that mineral stabilitiescan be correlatedwith...shallowporphyrydeposits, suchasHenderson,Colorado,boilingcauses aqueousfluidsto pass directlyfrom the K-feldsparore...um /teposits,especiallyClimax and Hendersonin Colorado,is perhapsbestclassified asgreisen(seereview by... 1978). In what follows, I havetakenHenderson,Colorado,astypicalof what superfluously might be calleda...(normally litMan), with variabletopaz, tourmaline,fluorite,or other F- and B-rich minerals. Associatedlithophile |
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Urad mine, Dailey Mining District, Clear Creek County, Colorado, USA