 | | Journal (article/letter/editorial) | | Although Colorado may be most noted for rhodochrosite or amazonite, the many varieties and associations...a k e w o o d , Colorado 80225 DIANNE L. K I L E 333 S a l e m Street Aurora, Colorado 80011 C O L O...and J. A. Mur phy for an update to Minerals of Colorado: A 100-Year Record (Eckel, 1961). 374 ROCKS... Quartz was a familiar gemstone to many early Colorado residents, as documented by an extensive body...body of literature. The first published list of Colorado mineral localities (in cluding quartz) was included |  | | Report (issue) | | The Triangle of Colorado Mountains of Minerals Contributors David W. Bunk, Robert B. Cook, Don Earnest... Contents PAGE4 PAGE 10 4 The San Juan Triangle of Colorado Ho for the San Juans! by Duane A. Smith, Mark...and Karen A. Vendl L ocated in southwestern Colorado and covering over 31,000 square kilometers, the...during the eighteenth century, were the first to mine in the San Juans. One of the earliest recorded expeditions... Above: August sunrise on middle Blue Lake, Ouray County Photo Jack Brauer/WideRange Photo LLC, 2010 |  | | 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...Martin Mineral collecting at the Sunnyside & Idarado m in e s ..................................... |  | | Journal (article/letter/editorial) | | JUAN COUNTY, COLORADO B A R B A R A and J O H N M U N T Y A N 6978 Wapiti Court Boulder, Colorado 80301...material has been obtained from a number of San Juan County mines and prospects during the last decade, in...almost ceased. COLORADO S A N J U A N C O U N T Y L I E S in southwestern Colorado. Some of the state's...vicinity of Silverton, the principal town in the county. The American Tunnel, located just north of town...of the Sunnyside mine complex and has been the major source of specimens in the county. Most museums and |  | | 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...preached what amounted to Ed Raines, who researches Colorado ‘s geology, mineralogy, and mining history, is...convention. Colorado’s silver interestsdomposed of mine, milling, and smelter entrepreneurs; managers, professionals...Fourth of July speaking engagement at Telluride. Colorado (Fetter and Fetter 1979). Although a July Fourth |  | | 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...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 (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 edge;...C*O*L*O*R*A*D*O FLUORITE BARBARA L. MUNTYAN Ouray County Museum Ouray, Colorado 81427 Mineral photographs by John...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) | | CLASSIC COLORADO PORTFOLIO MINERALS: BARBARA L . MUNTYAN 6978 Mapiti Court Boulder, Colorado 80301 COLORADO...COLORADO IS ONE OF THE MOST HIGHL Y MINERALIZED states in the Union. Not only is it known for the variety...found in Colorado occur in extraordinarily large and beautiful crystals. Some of the best Colorado specimens...rather common species from a number of famous Colorado locales. There were literally dozens of other...Shares of Colorado. Figure 1 (left): Hematite after siderite, quartz, Lake George, Park County, Colorado |  | | 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) | | [University of Nebraska, Lincoln] at 13:31 09 June 2016 Colorado boasts numerous localities where fine sphalerite...of sphalerite also occur at many localities in Colorado, in shades of amber, emerald- or lime-green,...rail for the mines, standing on Main Street in Ouray (1886). The Wright Opera House is the large building...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 |  | | Journal (article/letter/editorial) | | the United States. Also displayed are San Diego County minerals, systematic minerals, and min eral identification...Foundation. Opening this summer will be a walk through mine tunnel filled with several gem pockets. Still in...dollars in recognition of its participation in the Colorado Initia tives program throughout 1990. Carl Miller...for the development of an under ground hard-rock mine exhibit. It is hoped that the extensive new exhibit...rooms (including a mine reconstruction) and a very fine old photo collection of Ouray and the San Juans |  | | Journal (article/letter/editorial) | | Two Point claim, Pikes Peak batholith, Teller County. The Collector’s Edge specimen, Jeff Scovil photo...Mail Stop 150, Box 25046 Federal Center Denver, Colorado 80225 pmodreski@usgs.gov C olorado is, of course...been written as guides to mineral collecting in Colorado. A classic, which went through three major editions...1951 version with a slightly different title), is Colorado Gem Trails and Mineral Guide, by Pearl (1951,...up-to-date guidebook to the state’s minerals is Colorado Rockhounding, by Voynick (1994). Other published |  | | Journal (article/letter/editorial) | | Museum of Nature and Science 2001 Colorado Boulevard Denver, Colorado 80205-5798 jmurphy @ dmns.org PETER...Survey MS 150, Box 25046 Federal Center Denver, Colorado 80225-0046 pmodresk @ usgs.gov Unless otherwise...to 2000) J oin us for a gemstone tour around Colorado! Our field trip takes us from east to west in...in the same way you may have toured through Colorado on a mineral collecting trip. This route, from the...gemstones are known to occur. We cannot discuss every Colorado gemstone occurrence; rather, this is a general |  | | Journal (article/letter/editorial) | | BARBARA L. MUNTYAN 536 Third Avenue P.O. Box 495 Ouray, Colorado 81427 All photographs by John R. Muntyan of...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 |  | | Catalog/List | | last. TOTAL WRECK WULFENITE: Total Wreck Mine, Pima County, Arizona; Nice butterscotch to near clear...inch specimens, $25.00 each. CAMPYLITE: Dry Gill Mine, Cumberland, England; A unique and rare species...at $15.00 each. BROOKITE: Magnet Cove, Garland County, Arkansas; Dipyramidal thumbnail crystals mounted...structures. $20.00 each DENDRITIC WIRESIL VER Elure Mine, Cobar, NWS, Australia; Fine crystalline wire silver...priced at $20.00 each CINNABAR AND STIBNITE: Gorlovka Mine, Ukraine; Nice thumbnails mounted in plastic perky |  | | Journal (article/letter/editorial) | | crystalline quartz: citrine—a lovely yellow color, amethyst—violet in hue, smoky—ranging from light gray to...blasted to bits to get at the better gems and amethyst crystals inside (Funsten, 1986). Such vandalism...condition of the quartz. Smoky quartz crystals from Colorado, Scotland, and else where tend to be so dark...grouping of quartz from the Campbird mine, near Ouray, Colorado. Tom McKee specimen; Robert Jones photo...miarolitic cavities of the Pike's Peak Granite of Colorado and the White Mountains of New Hampshire contain |  | Doe, B. R., Steven, T. A., Delevaux, M. H., Stacey, J. S., Lipman, P. W., Fisher, F. S. (1979) Genesis of ore deposits in the San Juan volcanic field, southwestern Colorado; lead isotope evidence. Economic Geology, 74 (1) 1-26 doi:10.2113/gsecongeo.74.1.1 | Journal (article/letter/editorial) | | Depositsin the SanJuanVolcanicField, Southwestern Colorado LeadIsotopeEvidence B. R. DOE,T. A. STEVEN,M....Antonito COLORADO NEW MEXICO L 0 100 KILOMETERS Fro. 1. Index map of southxvestern Colorado, showing...igneouscenter of latest Cretaceousage near Ouray, Colorado, and from the EoceneTelluride ConglomerateFormation...Tertiary volcanicrocks northeastof Telluride, Colorado. A few disseminated depositsof the "porphyrycopper"...The volcanichistory of the San Juan Mountains, Colorado, in general has been outlined by Lipman et al |  | | Journal (article/letter/editorial) | | at 00:11 06 November 2014 Eagle Mine, Cilman, Eagle County, Colorado W orld production of zinc is enormous...Although Colorado boasts an unusually large number of good sphalerite occurrences, the Eagle mine at Gilman...of the BalmatEdwards district in Saint Lawrence County (Smith and Figure 1. A fine example of jet-black...(variety marmatite) on siderite from the Eagle mine, Gilman, Colorado. The 8.4-cm specimen is in the Dave Bunk...in Connecticut pegmatites, including the Tolgate mine at Middletown where masses to 25 cm across occurred |  | | Journal (issue) | | - - - - - - - - - - - Mineral Collections 1n Colorado A Supplement to The Mineralogical Record November-December..."Smithsonian packet," Smoky Hawk claim, Florissant, Colorado. Collected in 2008; Dorris Family collection;...certificates for mines in the Cripple Creek District, Colorado, in 1898 and 1901. Sponsorship: This special supplement...Collecting in Colorado The Collections: Mel & Pam Bersch Ryan Bowling Ralph Clark Colorado School of Mines...Thompson George Witters Martin Zinn III and Colorado in the :Mineralogical Record Supplement to The |  | 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). |  | | Journal (issue) | | Exhilarating New Arizona Find REGULAR COLUMNS 56 MINERAL COUNTY WANDERINGS Field Notes .............................18 Chance Encounter Creates Opportunity to Mine for Variscite By Helen Serras-Herman 20 CRYSTAL... www.PrescottGemMineral.org ROYAL PEACOCK OPAL MINE Dig your own Virgin Valley Fire Opals ALL YOU FIND...smaller specimens were discovered near Globe, Gila County, Arizona, during a careful search that lasted about...years. After earning a Ph.D. in geology at the Colorado School of Mines, Chris has lived and worked in |  | | Journal (article/letter/editorial) | | SUNNYSIDE MINE EUREKA MINING DISTRICT SAN JUAN COUNTY, COLORADO TOM ROSEMEYER Box 586 Ouray, Colorado 81427...81427 The Sunnyside mine is Colorado's largest underground gold producer and to date has produced over $150...the rugged San Juan Mountains of southwestern Colorado. Nestled in a beautiful alpine mountain valley...valley at an elevation of 12,240 feet, the mine was originally located on the shores of the now-drained Lake...height of mining activity, the sprawling Sunnyside mine complex was a self-contained community with offices |  | | Journal (article/letter/editorial) | | of COLORADO ED RAINES Geology Museum Colorado School of Mines 1310 Maple Street Golden, Colorado 80401...noted Figure 1. Camp Bird mine, level 2, Sneffels district, Ouray County. Raines-Pettem collection,...photographer unknown. B etween 1868 and 1922, Colorado produced almost 260 million pounds of copper....with another 50 million pounds mined in San Juan County (Henderson 1926). During the twentieth century...mined (Beaty, Landis, and Thompson 1990). Total Colorado production prior to 1958 reached 585 million pounds |  | | Journal (article/letter/editorial) | | Denver, Colorado MARK I. JACOBSON Chevron U.S.A., Inc. 700 S. Colorado Boulevard Denver, Colorado 80222...spon sored by the Coors Foundation of Golden, Colorado, and repre sents a significant improvement over...as are expanded exhibits of minerals for which Colorado is famous—amazonite, aquamarine, rhodochrosite...its role in providing educa tional tours for Colorado school children. Plans are also pro gressing...in coordination with the Friends of Mineralogy, Colorado Chapter, to provide a forum for amateur and advanced |  | | Journal (issue) | | R. Kampf Natural History Museum of Los Angeles County Arthur Roe Tucson, AZ Abraham Rosenzweig University.....157 by C. Albertini Sellaite from the Brumado mine ..................................................Iron and Washington Counties) and Arizona (Mojave County). This region is one of the last American frontiers...by Richard A. Kosnar Route 6, Box 263 Golden, Colorado 80401 n 1 9 0 2 , the well-known mining engineer...districts of the San Juan, in southwestern Colorado. We left Ouray early on the 5th of September, 1902, with |
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Idarado Mine, Ouray County, Colorado, USA