 | | Journal (article/letter/editorial) | | Sweet Home rhodochrosite specimen mine, Alma District, Central Colorado: the porphyry molybdenum–fluorine...hrosite–fluorite in the Sweet Home Mine, Alma District, Colorado were originally mined for silver starting...For the last 13 years up until 2004, however, the mine has produced world-class rhodochrosite specimens...deposit is interpreted as a single pulse variant of a Climax-type hydrothermal system. Evidence for this includes...age of the end stages of mineralization of the Climax molybdenum deposit approximately 7.5 km to the | | | Journal (article/letter/editorial) | | Sweet Home rhodochrosite specimen mine, Alma District, Central Colorado: the porphyry molybdenum–fluorine...hrosite–fluorite in the Sweet Home Mine, Alma District, Colorado were originally mined for silver starting...For the last 13 years up until 2004, however, the mine has produced world-class rhodochrosite specimens...deposit is interpreted as a single pulse variant of a Climax-type hydrothermal system. Evidence for this includes...age of the end stages of mineralization of the Climax molybdenum deposit approximately 7.5 km to the |  | | Report (issue) | | Mendenhall, Director Bulletin 846 C THE CLIMAX MOLYBDENUM DEPOSIT COLORADO BY B. S. BUTLER and J. W. VANDERWILT...____-___-___--______--________ Previous geologic work in the district..______________________________ Page 195 196...map and sections of Climax molybdenum district. In pocket 24. A, Climax district in winter; B, Panorama...Panorama of a part of Mosquito Range including Climax district.._.______-__-___ 198 25. Recrystallized sc...--_---------_222 32. Detailed map of Climax molybdenum district..__________ In pocket 33-37. Cross sections |  | | Report (issue) | | Geology in the Leadville 30-Minute Quadrangle, Colorado GEOLOGICAL SURVEY PROFESSIONAL PAPER 726-C...Geology in the Leadville 30-Minute Quadrangle, Colorado By OGDEN TWETO and J. E. CASE GEOPHYSICAL FIELD...geophysical data on the most productive part of the Colorado mineral belt UNITED STATES GOVERNMENT PRINTING...of the Leadville 30-minute quadrangle, central Colorado.... -----------------------------------------...____________ ln pocket FIGURE 1. Index map of Colorado __________________________________________________ |  | | Journal (article/letter/editorial) | | asgranodiorite molybdenitesystems The sourceplutonsfor Climax, Henderson-Urad, and granitemolybdenitesystems--also...tectonicsettingat the time and Mount Emmons-Redwell Basin, Colorado, are of formation,orebodygeometry,and trace element...quartz monzonite 4, Climax, Colorado;Climax stock--graniteporphyry 5, Henderson, Colorado;Hendersongranite--graniteporphyry...e--graniteporphyry 6, Mount Emmons,Colorado;Keystonestock--graniteporphyry 7, Questa,New Mexico;Ques...a settingabovea subductionzone. (2) The dated Colorado-northern New Mexico- Texasdepositsand prospectsrange |  | 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...niteorebodiesat Red Mountain, Clear Creek County,Colorado,are relatedto a rhyolitic subvolcaniccenterof...Complex;the rest was in the Sih-er Plmne Granite. The Urad mine, now worked out, producedabout 14 million tons of...remarkablysimilar in many respectsto thoseat Climax, Colorado, but there are some notable differences. The...reactionwith, or incorporation by, Oligocenemagmaat Climax,and the scarcityof theserocksat Red Mountainmay |  | | Journal (article/letter/editorial) | | Fe2O3+TiO2-FeO+MnO-MgO diagrams, and found to all plot to the magnetite-series field. They are all high silica and high-K...A-type, except for the Climax-type porphyries and some others in the Colorado mineral belt. By-product...I-type magnetite-series granodiorite and monzogranite. Felsic intrusive rocks of the Climax mine are A-type...Therefore, there is no single magma type but the magnetite series, which concentrates a large volume of molybdenum...stockwork-disseminated type of the Climax, Henderson, and Mt. Emmons deposits of the Colorado mineral belt, and vein |  | | Report (issue) | | Ore Deposits of the· Kokomo-Tenmile District, Colorado By M. H. BERGENDAHL and A. H. KOSCHMANN . I...PAPER 652 Prepared in cooperation with the Colorado Mining Industrial Development Board .. 1\ UNITED...________________ _ Ore bodies--------------------------------Magnetite-garnet-molybdenite deposits ___________ _ 1 2...11 Gold-------------------------------------Magnetite--------------------------------Hematite ____________...ores-----------------------------Mine descriptions----------------------------------Wilfley-Kimberly mine __ --------________________ |  | | Report (volume) | | ____ Molybdenite_____________________________ Colorado ____________________________ New Mexico _____...Railroad Creek near Lake Chelan, Okanogan County, Wash.; B, From a prospect near Lake Tahoe, Calif______________________...porphyry (?) carrying molybdenite along veinlets, Climax, Colo______ _________ III. A, Radial spherule of...Creek Mountains, 4 miles south of Gold Hill, Tooele County, Utah; B, Sericitized quartz porphyry breccia with...(?) in granite, George Fast's mine, near La Trinidad, Sahuaripa district, Sonora, MexicoVII. Ends of radial |  | | Journal (article/letter/editorial) | | increasedproductionfrom porphyry-typedeposits. The Climax minealonehas contributedapproximatelyhalf the total...has resulted in developmentof five minesof the Climax-typein the last half decade,and at least one similar...associatedsiliceousintrusives. With the exceptionof the Climax depositwhere tin, tungstenand pyrite are recovered...(eastern) Oregon-Idaho-(western) Montana, (4) Colorado-NewMexico, (5) Nevada-southern California,and...locatedin the southernRockyMountains(Urad-Henderson,Climax and Questa) and in the Interior Belt of BritishColumbia(Alice |  | | Journal (article/letter/editorial) | | example; the quartz veinsof the Bonanzadistrict, Colorado,describedby Burbank• as of moderatesulphidecontentand...him; and the ferberite4 depositsof BoulderCounty,Colorado,may belongto this class. Depositsof dolomiticzinc-leadtype...dolomiticzinc-leadtype in the Weston Pass district, Colorado, interpretedas formed at low temperaturesbut at a...: Geology and Ore Deposits of the Bonanza Mining District, U.S. Geol. Survey, Prof. Paper x69, p. 86...H. Jr.: Zoning of Ore Deposits, Leadville District, Colorado. Ecoa;. Gzo•.., vol. 29, pp. 239-240, x934 |  | | Journal (article/letter/editorial) | | resources are associated with an oxidized-type (magnetite series) magmatism, and (ii) original fractures...of subduction-related magmatism. In 1975, the magnetite-series and ilmenite-series concept was proposed...and Mo, are associated with an oxidized-type (magnetite-series) magmatism; and (ii) Sn, W, Be, Li, and...ilmenite-series magmatism. In contrast to the sole magnetite-series of Quaternary volcanic belts in Japan,...characterized by paired magnetite/ilmenite-series belts, and the inner magnetite-series belt is very rich |  | | Report (issue) | | SEG Symposia, October 30 and 31, 1988, Denver, Colorado RICHARD W. HUTCHINSON AND RICHARD I, GRAUCH...Brooks Range, Alaska, in 1979, prior to drilling or mining. Ground water seeping from the Red Dog deposit...«2. of the eccisemene of the Misima Gold-Silver Mine, Papua New Guinea ........ .G. I. Wilson and R....eae ie Discovery. The McLaughlin Gold Mine, Napa, Yolo, and Lake Counties, California Fre ee ieee i...HUTCHINSON Department of Geology, Colorado School of Mines, Golden, Colorado 80401 AND RICHARD I. GRAUCH |  | | Journal (article/letter/editorial) | | Accepted Manuscript The genesis of Climax-type porphyry Mo deposits: insights from fluid inclusions and...this article as: A. Audétat, W. Li, The genesis of Climax-type porphyry Mo deposits: insights from fluid...apply to the journal pertain. The genesis of Climax-type porphyry Mo deposits: insights from fluid...data on fluid inclusions and melt inclusions from Climax-type porphyry Mo deposits. Data are presented from...suggest that the mineralizing silicate melts in Climax-type porphyry Mo systems were highly evolved high-silica |  | Wallace, A.R., Ludington, Steve, Lovering, T.G., Campbell, D.L., Case, J.E., Grauch, V.J.S., Knepper, D.H. (1988) Leadville 1 degree x 2 degrees Quadrangle, Colorado; a pre-assessment. Open-File Report Vol. 1988 (88-74) US Geological Survey doi:10.3133/ofr8874 | Report (issue) | | GEOLOGICAL SURVEY Leadville I°x2° quadrangle, Colorado: a pre-assessment by Alan R. Wallace , Steve...standards and stratigraphic nomenclature. Denver, Colorado -Menlo Park, California CONTENTS Page Preface........... 10 3. 4. 5. Map showing tracts for Climax and porphyry-type deposits..... Map showing tracts............ 18 19 20 TABLES Table 1. 2. 3. 4. Mining districts in the Leadville quadrangle................................. Base- and precious-metal mining areas......................... 4 11 16 17 PREFACE |  | | Report (issue) | | is either the major product (as at Climax and Henderson, Colorado, and Questa, New Mexico), or is a co-...XVT XVA XWA XWI XWY ALASKA ARIZONA CALIFORNIA COLORADO GEORGIA IDAHO MAINE MISSOURI MONTANA NEVADA NEW...Steininger, R. C., 1981, Character and origin of Climax-type molybdenum deposits: Economic Geology, 75th...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 |  | | Book | | MINES AND MINERALS OF THE GREAT AMERICAN RIFT (COLORADO-NEW MEXICO) Sine —_—< ¢ te om At _SHT 40...MINES AND MINERALS OF THE GREAT AMERICAN RIFT (COLORADO-NEW MEXICO) Richard Walker Holmes and Marrianna...Mines and minerals of the Great American Rift (Colorado-New Mexico). Bibliography: p. Includes index...index. 1. Mines and mineral resources—Colorado. 2. Mines and mineral resources—New Mexico. I. Kennedy, Marrianna...enter must be obtained to prevent trespass. Old mine workings are dangerous and entering underground |  | | Report (issue) | | INSTITUTE OF MINING & TECHNOLOGY CAMPUS STATION SOCORRO, NEW MEXICO NEW MEXICO INSTITUTE OF MINING Sc TECHNOLOGY............................................... 7 Mining .......................................................................... Petaca mining district, Rio Arriba County ...................................25 25 25 Page Other occurrences, Rio Arriba County ............................................................................... 26 Bromide mining district .......................................... |  | 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...fluorite–rhodochrosite mineralization at the Sweet Home Mine occurred coeval with the final stage of magmatic...activity and ore formation at the nearby world-class Climax molybdenum deposit about 26 to 25 m.y. ago. The...Geosciences, Virginia Tech, Blacksburg, VA 24061, USA T. Pettke Institute of Geological Sciences, University...Switzerland D. Misantoni Colorado Calumet Company Inc., P.O. Box 1169, Golden, CO 80402, USA al assemblage was |  | | Journal (article/letter/editorial) | | the massivesulphidemineralization in the Noranda district, Northwestern Quebec: Proc. Geol. Assoc. Can....Iron King Maruyama,S., 1967,Kurokogeology:World Mining,April, p. 15-16. McCartney,W. D., and Potter,...107-130. Katsuma,M.. 1967, "Harmonic mining" at Shakanimine: World Mining, April, p. 17-19. Kalliokoski,J... 1966, Geologyand mineral depositsof the Chisel Lake map-area: Geol. Surv. Canada,Mem. 342. Pap. 285...usedby Wallaceet al. (1960) to refer to dikesat Climax, Coloradothat were emplacedbetweenperiods of molybdenum |  | | Journal (issue) | | 2008 Table of Contents Collecting Minerals in Colorado - Peter Modreski ...........................Pg...Riemvasmaak South Africa 2008 Mining Update .......................... Pg. 20 Colorado Fossil Woods - Frank Daniels...on collecting minerals in Colorado by Pete Modreski, the informative Colorado petrified wood article by...the magazine so you get your very own copy! Colorado Minerals is the theme of the 2008 Denver Gem and...days of Colorado’s gold, silver, and base metal mining are past, and those who want specimens must look |  | | Report (issue) | | HYDROTHERMAL AND MAGMATIC MINERAL DEPOSITS Page Magma, Mine,;Superior (oo. ciges Rocttactek ors eno os es snl...NevadaiGity —'Grass: Valley) iter ore ae ee Shasta County a eee cere asses ee avs Oe ee COlOTAMGS ee Pie...al bined 5 on jake Colorado Utah, Arizona> NewsNLexicoe se ete eaten en Colorado Plateau: sijcsces etn...mines of which a district is composed but rather that the geological conditions from one mine to another within...within the district are so generally the same that what is said of one mine will be true for the others |  | | Journal (article/letter/editorial) | | Vol. 20 SOCIETY OF' AMERICA MAY, 1935 No.5 COLORADO PEGMATITES KBNNBTU K. Lauons, Unioersity of Kansas...in every county 'of Colorado along the Front Range of the Rocky Mountains from Larimer County on the Wyoming...Wyoming line to Custer County in the south-centralpart of the state, and in scatteredpre-Cambrianareas...The pre-Cambrian schists and granites of Larimer County are cut by numerous pegmatite dikesl which have...exhibiting an ore mineral phaseoccur in Boulder County.3JeffersonCounty contains both tourmaline and muscovite |  | | Report (volume) | | Forest and the Dillon Ranger District of the Arapaho National Forest, Colorado U.S. GEOLOGICAL SURVEY BULLETIN...Forest and the Dillon Ranger District of the Arapaho National Forest, Colorado By MARGO I. TOTH, ANNA B....Forest and the Dillon Ranger District of the Arapaho National Forest, Colorado / by Margo I. Toth ... [et...mineral resources Colorado White River National Forest. 2. Mines and mineral resources Colorado Arapaho National...National Forest. 3. Geology Colorado White River National Forest. 4. Geology Colorado Arapaho National Forest |  | | Report (volume) | | Rm G-84 DENVER, Colorado--Federal Bldg., Rm. 169, 1961 Stout St. LAKEWOOD, Colorado-- Federal Center...Center, Rm. 1C402, 12201 Sunrise Valley Dr. SALT LAKE CITY, Utah--Federal Bldg., Rm. 8105,125 South State...model of Climax Mo deposits, by Stephen D. Ludington 73 Grade and tonnage model of Climax Mo deposits...volcanic-hosted magnetite, by Dennis P. Cox 172 Grade and tonnage model volcanic-hosted magnetite, by Dan L...section of a Climax Mo deposit 74 Tonnages of Climax Mo deposits 75 Molybdenum grades of Climax Mo deposits |
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