 | | 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 |  | | Journal (article/letter/editorial) | | (above). Pyrite, Alice Glory Hole, Clear Creek County. Cluster of intergrown crystals showing light...Figure 2 (right). Pyrite, Mountain Spring mine, Rico, Dolores County. Cluster of modified cubes; specimen...C*O*L*O*R*A*D*O PYRITE BARBARA L. MUNTYAN Ouray County Museum Ouray, Colorado 81427 Mineral photographs by John R...Park City, Utah; Washington State; and numerous Colorado localities. Pyrite crystallizes in the isometric...Pyrite is the most common sulfide mineral found in Colorado; it is found in a wide variety of occurrences |  | Church, S.E., Wilson, S.A., Vaughn, R.B., Fey, D.L. (1994) Geochemical and lead-isotopic studies of river and lake sediments, upper Arkansas River basin, Twin Lakes to Pueblo, Colorado. Open-File Report Vol. 1994 (94-412) US Geological Survey doi:10.3133/ofr94412 | Report (issue) | | of river and lake sediments, upper Arkansas River basin, Twin Lakes to Pueblo, Colorado by S.E. Church................................................. Mining History and Production ................................................................ Chaffee County .................................................................................. Custer County .......................................................Fremont County .............................................................................. Lake County |  | | 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 |  | 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 (issue) | | Newsletter $6.00 Fibrous Malachite from the Mindingi Mine Katanga, Democratic Republic of the Congo Tony Nikischer...fibrous malachite from the Mindingi Mine in the Kambove District of Katanga began to appear in the specimen...ten {I 0) years ago (see figure J ). Although the mine was first worked superficially in the 1930s for...DRC as well (see figure 2). Today, the Mindingi Mine continues to produce wonderful malachite specimens...specimenand image. Nickel Laterite From the Tiebaghi Mine, New Caledonia Bob Werner werner@lcturbonet.com |  | | Journal (article/letter/editorial) | | 0.75 inch on edge, from the Henderson mine, Clear Creek County. Figure 2 (right). Green fluorite encrusted...Mountain Wilderness area near Columbine Lake, La Plata County; largest crystal measures 1.25 inches on... FLUORITE BARBARA L. MUNTYAN Ouray County Museum Ouray, Colorado 81427 Mineral photographs by John R...locations in Mexico; in Elmwood, Smith County, Tennessee, and in Hardin County, Illinois, in the United States;...eastern Russia. It also occurs in many localities in Colorado, where it is found in colors ranging from pale |  | | Journal (article/letter/editorial) | | [University of Nebraska, Lincoln] at 13:31 09 June 2016 Colorado boasts numerous localities where fine sphalerite...Elmwood, Tennessee; the mines of the Tri-State district of Missouri-OklaDownloaded by [University of Nebraska...of sphalerite also occur at many localities in Colorado, in shades of amber, emerald- or lime-green,...Muntyan, former director of the Ouray County Museum in Ouray, Colorado, is a frequent contributor to Rocks...in her series on Colorado minerals appeared in the July/August I994 issue (“Colorado Pyrite”), September/October |  | | 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 |  | | Journal (issue) | | of float copper was found in southern Houghton County and the larger mass was recovered a few miles west...Molybdenite Climax Mine, Lake County, Colorado Bob Werner werner@lcturbonet.com The Climax Mine, located...located in Lake County, Colorado (Fig. I), is perhaps the world's largest deposit of molybdenum (Mo) metal...as "molybedamnite" or "molybedumdumite". The Climax Mine has operated on and off for over I 00 years and...expectation would be in vain. Specimens from the Climax Mine typically put real meaning to the term "aesthetically |  | | Report (issue) | | The Geological Story of the Blue River Valley, Colorado, and Its Surrounding Mountains Circular 1400...The Geological Story of the Blue River Valley, Colorado, and Its Surrounding Mountains By Karl S. Kellogg...mines—The geological story of the Blue River valley, Colorado, and its surrounding mountains: U.S. Geological...the geological story of the Blue River Valley, colorado, and its surrounding mountains / by Karl S. Kellogg...978-1-4113-3966-8 (pbk.) 1. Geology--Colorado--Blue River Valley. 2. Mountains--Colorado. I. Bryant, Bruce, 1930- |  | | 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...___________________________ _ Pyrite-sphalerite-galena veins ________________ _ Ore bodies-----------...ores-----------------------------Mine descriptions----------------------------------Wilfley-Kimberly mine __ --------________________...Consolidated mine, Eldorado and Wilson mines, Felicia Grace mine, and Champion (New York) mine---------- |  | | 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 .......................................... |  | 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 |  | | 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 |  | | 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 |  | | 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 |  | | Book | | k. CLIMAX The History of Colorado's Climax Molybdenum Mine STEPHEN M. VOYNICK Climax The History...History of Colorado's Climax Molybdenum Mine Stephen M. Voynick Mountain Press Publishing Company Missoula...has been made possible by a grant from the Cyprus Climax Metals Company. A portion of the proceeds from...will benefit the National Mining Hall of Fame & Museum, Leadville, Colorado. Publication of this photographs...photographs and illustrations courtesy of the Climax Molybdenum Company unless otherwise noted. All Second |  | | Journal (article/letter/editorial) | | example; the quartz veinsof the Bonanzadistrict, Colorado,describedby Burbank• as of moderatesulphidecontentand...moderatesulphidecontentand containingbarite,pyrite, sphalerite,galena,chalcopyrite,bornite,tennantite,and stromeyerite...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 |  | | 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) | | _--__._-____.....__...____._.___.__..___ Mineral Mining Co__________________________________________ Missouri...Gold Hill mine; B, Rhyolite porphyry, Gold Hill mine; C, Granite porphyry, Belshazzar mine. ._ __ _ 250...______________ 250 43. Composite level map of the Gold Hill mine.______________ In pocket 44. Geologic maps of the...the 250, 400, and 700 levels, Gold Hill mine In pocket in IV CONTENTS Page PLATE 45. Diagrammatic...through the Gold Hill mine In pocket 46. Photomicrographs of ore from the Gold Hill mine, showing relations |  | | Report (volume) | | Wilderness Area, Eagle, Pitkin, and Lake Counties, Colorado COLORADO • Mineral Resources of the Holy...Cross Wilderness Area, Eagle, Pitkin, and Lake Counties, Colorado By ALAN R. WALLACE, GREGORY K. LEE, and...Cross Wilderness Area, Eagle, Pitkin, and Lake Counties, Colorado by Alan R. Wallace ... [et al.]. p. cm...no.: I 19.3:1879 1. Mines and mineral resources-Colorado-Holy Cross Wilderness. 2. Holy Cross Wilderness...Isabel National Forests, Eagle, Pitkin, and Lake Counties, Colorado. This area was established as a wilderness |  | | Journal (article/letter/editorial) | | U–Pb age for hübnerite (MnWO4), Sweet Home Mine, Colorado Rolf L. Romer *, Volker Lüders GeoForschungsZentrum...granites. Hübnerite from the Sweet Home Mine (Alma, Colorado) formed in a Pb-rich, U-poor environment...up to 30% to Pbtotal. Using the least radiogenic galena Pb, samples with 206 Pb/204Pb values above 70 have...Ma (2r). Late stage apatite from the Sweet Home Mine yields a 206Pb/204Pb–238U/204Pb isochron corresponding...Home Mine (Alma mining district, Colorado) The Sweet Home Mine, located in the Alma mining district on |  | | 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 |
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