 | 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...Hendersonstockworkmolybdeniteorebodiesat Red Mountain, Clear Creek County,Colorado,are relatedto a rhyolitic subvolcaniccenterof...within a mile of the north-northeast-trendingBerthoud Pass fault. This fault is the major structural element...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 abundance |  | | Journal (article/letter/editorial) | | Geology Vol. 99, pp. 3â37 Henderson Porphyry Molybdenum System, Colorado: I. Sequence and Abundance...Stanford, California 94305-2115 Abstract At Henderson, Colorado, 12 rhyolitic stocks of Oligocene age crystallized...tops are 1 km below the surface of Red Mountain: Henderson (oldest), Seriate, and Vasquez (deepest and youngest)...metal sulfides, F-bearing, Mn-rich garnet, and rhodochrosite) were deposited in only a single event. These...low-temperature assemblages, which extended higher above Henderson than Seriate. Prior to that time, the region where |  | | Journal (article/letter/editorial) | | August 2013 BARBARA L. MUNTYAN P.O. Box 495 Ouray, Colorado 8 I427 hodochrosite, a manganese carbonate with...neverthealess re orted from localities worldwide. Rhodochrosite crystallizes in the trigonal class of the hexagonal...and occurs in a number of diverse forms. Fine rhodochrosite specimens in various habits have been found...San Luis, Argentina. Rhodochrosite has also been found in many localities in Colorado, particularly in the...it i s one of the most recognized and coveted Colorado minerals. partiY DO e the presence of a mix |  | | Journal (article/letter/editorial) | | octahedra, 0.75 inch on edge, from the Henderson mine, Clear Creek County. Figure 2 (right). Green fluorite...Mountain Wilderness area near Columbine Lake, La Plata County; largest crystal measures 1.25 inches on edge;... 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) | | ARTICLE The Sweet Home rhodochrosite specimen mine, Alma District, Central Colorado: the porphyry molybdenumâfluorine...sphaleriteâtetrahedriteârhodochrositeâfluorite in the Sweet Home Mine, Alma District, Colorado were originally...up until 2004, however, the mine has produced world-class rhodochrosite specimens. Some of these specimens...the nearby area; (4) a small pegmatite within the mine with an age (25.9±0.3 Ma) coincident with mineralization...Geological Engineering, Colorado School of Mines, 1516 Illinois Street, Golden, CO 80401, USA e-mail: pbartos@mines | | | Journal (article/letter/editorial) | | ARTICLE The Sweet Home rhodochrosite specimen mine, Alma District, Central Colorado: the porphyry molybdenumâfluorine...sphaleriteâtetrahedriteârhodochrositeâfluorite in the Sweet Home Mine, Alma District, Colorado were originally...up until 2004, however, the mine has produced world-class rhodochrosite specimens. Some of these specimens...the nearby area; (4) a small pegmatite within the mine with an age (25.9±0.3 Ma) coincident with mineralization...Geological Engineering, Colorado School of Mines, 1516 Illinois Street, Golden, CO 80401, USA e-mail: pbartos@mines |  | | Journal (article/letter/editorial) | | Figure I (above). Pyrite, Alice Glory Hole, Clear Creek County. Cluster of intergrown crystals showing...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 |  | | Journal (issue) | | Julius Weber Mamaroneck, New York COLORADO ISSUE #2 Articles Colorado locality index.............................. 323 by B. L. Muntyan Whatâs 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) | | with its representation of mining tools clearly proclaim Montanaâs mining origins. Montanaâs production...published describing the occurrence, collecting, mining, and cutting of the two state gemstones. Figure...Granville Stuart established Montanaâs first mining camp at Gold Creek in 1860. Geologic Provinces The state...MICHAEL J. GOBLA 19055 East Bethany Place Aurora, Colorado 80013 gobla@copper.net Unless otherwise noted...view showing the Indian Queen mine ca. 1905 at Farlin, Beaverhead County. 208 ROCKS & MINERALS Downloaded |  | | Journal (issue) | | R. Kampf Natural History Museum of Los Angeles County George Robinson National Museums of Canada Arthur...SPECIMENS from the collection of the Geology Museum, Colorado School of Mines. See page 242 for a full description... All rights reserved. notes fromthej EDITOR COLORADO-III Here we are with our third special issue devoted...devoted to the mines and minerals of Colorado. As most long-time subscribers know, the first in the series...about $200 on the out-of-print market. The second Colorado issue was vol. 10, number 6 (1979), and we still |  | | Journal (issue) | | 85740 602-297-6709 Articles The Iron Cap mine, Graham County, A rizona..................................Ouray County, Colorado ............... 89 by B. & J. Muntyan Anatase on quartz from Ouray County, Colorado...Finds made in Arizona (the Iron Cap mine) and in Ouray County, Colorado, are described in three articles...huge i show organized by Herb Duke at the Pima County Fairgrounds. Following the advertising section...meteorites, rare bo collector-quality gemtones, mining memorabilia, and who knows i else. Practical information |  | | Journal (article/letter/editorial) | | Cover Photographs JanuaryFebruary: Rhodochrosite, NâChwaning mine, Hotazel, South Africa. Martin Zinn...Cryo-Genie mine, San Diego County, California. Natural History Museum of Los Angeles County specimen,...Ground Hog mine, Gilman, Eagle County, Colorado. Natural History Museum of Los Angeles County specimen...Acanthite-argentite, Colorado, 307 Actinolite/tremolite, Michigan, 344 Adularia, Michigan 341 âAlaskaite,â Colorado, 307...395 Allanite-(Ce), California, 162 Allophane, Colorado, 307 Almandine, Connecticut, 261 Almandine-spessartine |  | | 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.....................................Pg. 28 Chalk Creek Feldspar Field Trip - Justin Zzyzx ...............on collecting minerals in Colorado by Pete Modreski, the informative Colorado petriïŹed wood article by...the magazine so you get your very own copy! Colorado Minerals is the theme of the 2008 Denver Gem and |  | | Book | | MINES AND MINERALS OF THE GREAT AMERICAN RIFT (COLORADO-NEW MEXICO) Sine â_â< Âą 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 resourcesâColorado. 2. Mines and mineral resourcesâNew Mexico. I. Kennedy, Marrianna...enter must be obtained to prevent trespass. Old mine workings are dangerous and entering underground |  | LĂŒders, 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...hĂŒbnerite and sulfideâ fluoriteârhodochrosite mineralization at the Sweet Home Mine occurred coeval with 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...quartz demonstrate that fluids from the Sweet Home Mine are enriched in incompatible elements but have considerably |  | | Journal (article/letter/editorial) | | Downloaded by [University of Colorado - Health Science Library] at 05:32 11 October 2014 PART 1 Downloaded...Downloaded by [University of Colorado - Health Science Library] at 05:32 11 October 2014 A Historical...Historical Overview of t h e District and the Smuggler Union and Associated Mines and Veins of Marshall Basin... Inc. 1441 West 46th Avenue, Suite 14 Denver, Colorado 80211 n 1875 Co\orado was still a territory awaiting...Soptemberl0ctob.r 2000 319 Downloaded by [University of Colorado - Health Science Library] at 05:32 11 October |  | | Report (volume) | | Minerals of Colorado: A 100- Year Record By EDWIN B. ECKEL GEOLOGICAL SURVEY BULLETIN 1 1 14 A...knowledge____________________________________ Future of Colorado mineralogy______________________________________...mineral localities and metallic mineral deposits of Colorado ________________________________ In pocket III...mineral localities and metallic mineral deposits of Colorado, has not been included in this reprint. Many of...especially Fischer and others, 1946). MINERALS OF COLORADO: A 100-YEAR RECORD By EDWIN B. EcKEL ABSTRACT |  | | Journal (article/letter/editorial) | | MUNTYAN 536 Third Avenue P.O. Box 495 Ouray, Colorado 81427 All photographs by John R. Muntyan of specimens...B ~i~~~~ 1. Mine along West willow Creek, near Creede and across from the Bachelor mine. Photo by author...the Rock Candy mine in British Columbia, Canada; and in the United States in Hardin County, Illinois, among...localities. Barite also occurs in many localities in Colorado, where it often forms attractive, wellcrystallized...wellcrystallized crystal groups. Colors reported for Colorado barite range from sky-blue to snowwhite to golden |  | | Journal (issue) | | R. Kampf Natural History Museum of Los Angeles County Arthur Roe Tucson, AZ Abraham Rosenzweig University...Behnke Famous mineral localities: the Corrego Frio mine and vicinity, Minas Gerais, Brazil ...............Person-otherâOther persons such as miners, field assistants, mine managers, etc. Place âUsed when a mineral is named...Czechoslovakia France Germany Japan Italy Mexico Namibia USSR USA Zaire Total Total number of species during 5-year...leached, ferruginous gossan. Stolzite from this mine was occasionally seen overlying or associated with |  | | Journal (article/letter/editorial) | | Idarado mine, Ouray and San Miguel countries. Figure 2 (right). Cluster or doubly tenninated clear calcite...Fremont County. C-O-L-O-R-A-O-O CALCITE BARBARA L. MUNTYAN Ouray County Museum Ouray, Colorado 81427...Tennessee; the Viburnum Trend district, southeastern Missouri; the Tri-State district (Missouri-Kansas-Oklahoma);...Russia. Calcite also occurs at many localities in Colorado. Further, the state is the source of calcite as...marble (from the Yule quarry at Marble in Gunnison County) that has been used for many of the great monuments |  | Collins, Donley S., Cobban, Robert R., Foord, Eugene E., Murphy, Jack A. (1989) Bibliography for update and revision of U.S.G.S. Bulletin 1114, Minerals of Colorado -- a 100 year record, by Edwin B. Eckel, Part A - Paper copy --Bibliography data file disks. Open-File Report Vol. 1989 (89-206) US Geological Survey doi:10.3133/ofr89206a | Report (issue) | | Survey Denver, Colorado Department of Geology, Denver Museum of Natural History Denver, Colorado NOTE FOR...revision of U.S.G.S. Bulletin 1114, Minerals of Colorado A 100 year record, by Edwin B. Eckel By Donley...Prepared in cooperation with Friends of Mineralogy - Colorado Chaptar, and the Denver Museum of Natural History...references dealing with the mineralogy of the state of Colorado. It is part of a more than 10 year effort to update...and revise U.S.G.S. Bulletin 1114, Minerals of Colorado: A 100 year record, by Edwin B. Eckel (1961). |  | | 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...Fluorite___________________________________ Rhodochrosite _______________________ -______ 35 36 36 36...ores-----------------------------Mine descriptions----------------------------------Wilfley-Kimberly mine __ --------________________...Consolidated mine, Eldorado and Wilson mines, Felicia Grace mine, and Champion (New York) mine---------- |  | | Book (edition) | | brilliant). The and ability of this 6 an object to pass light is known as diaphaneity, ranges from transparency...associated with such rocks. Because hard rock mining amateur will usually get is tedious and expensive...feldspar quarries in pegmatite deposits, mines and mine dumps, and from "float" deposits, minerals loose...should always ask permission it may be un- or a mine dvmip. Cleanliness around a camp site and removal...recent perhaps because of the decline in placer mining for gold in made dis- faces helps to distinguish |  | | Journal (article/letter/editorial) | | Inc. 1441 West 46th Avenue, Suite 14 Denver, Colorado 80211 eraines@ Icolorado.net The Great Irony...house. Photo hy Uycrs, CB.1904. courtcs\ Ouraj County Historical Society. Volume 75, November/December...campaign (Nevins Figure 2. Map of the Telluride district showing the principal veins, adits, and shafts...to Ed Raines, who researches Colorado âs geology, mineralogy, and mining history, is part owner of FRS...historic preservation efforts in the Leadville mining district. Downloaded by [UZH Hauptbibliothek / Zentralbibliothek |  | | Journal (article/letter/editorial) | | Discovery, Mining History, Geology, and Specimen Mineralogy of Selected Occurrences in Central Colorado and...Inc. 1441 W. Forty-sixth Avenue Suite 14 Denver, Colorado 80211-2338 P art one of this article (July/August...of gold in Colorado and the mining history and geology/mineralogy of the Front Range mining districts...and California Gulch. THE CENTRAL COLORADO MINERAL BELT LAKE COUNTY 3,396,000 ounces, 1860-1 990 (Davis...Kelleyâs Bar and then further upstream at Cache Creek, they found that they were once again too late. |
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Henderson Mine, Dailey Mining District, Clear Creek County, Colorado, USA