| | 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 | | | Journal (article/letter/editorial) | inches; a floater specimen, Cross vein, Idarado mine, Ouray and San Miguel countries. Figure 2 (right)...Fremont County. C-O-L-O-R-A-O-O CALCITE BARBARA L. MUNTYAN Ouray County Museum Ouray, Colorado 81427...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...Calcite, the most common carbonate mineral in Colorado. is found in a variety of occurrences, including | | | 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 (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 (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) | (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) | 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 | | | Journal (article/letter/editorial) | Through the 'Scope 1 OURAY Eldorado mine IfXCamp Bird mine TEIXURTOE 'TMdarado mine q Eureka Red Mountain...TOM ROSEMEYER 1632 Camp Bird Mine Road P . O . Box 586 Ouray, Colorado 81427 Tom Rosemeyer is the owner...Explora tion and has mined and collected minerals in Colorado for the past twenty years. Microminerals of the...the San Juan Mountains, Southwestern Colorado WELCOME TO -THROUGH THE 'SCOPE," a column devoted to news...mining in the San Juan Mountains of southwestern Colorado for Ihe past twenty years. Dur ing this time | | | 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) | 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) | Mineralogy of Selected Occurrences in Central Colorado and the San Juans Downloaded by [University of...Inc. 1441 W. Forty-sixth Avenue Suite 14 Denver, Colorado 80211-2338 P art one of this article (July/August...218-239, 280) dealt with the discovery of gold in Colorado and the mining history and geology/mineralogy...and California Gulch. THE CENTRAL COLORADO MINERAL BELT LAKE COUNTY 3,396,000 ounces, 1860-1 990 (Davis...7 by 2.5 cm (8.5 ounces), Ground Hog mine, Gilman, Eagle County. Harvard Mineralogical Museum specimen | | | Journal (article/letter/editorial) | andReplacement Deposits,Northwestern SanJuanMountains,Colorado J. THOMASNASH Abstract Base and preciousmetal...Filling temperatures in postsulfide quartz and fluorite are as low as 153øC and salinitiesare generallyless...(Mayor and Fisher, 1972). The Colorado (Fig. 1). The greatestproductionhas Idarado and Camp Bird mines (Fig...Productionfrom theseveins Most samples are from the Idarado mine and were exceeds$300 million (Burbankand Luedke...detailedstudiesunder1448 FLUID INCLUSION way by the Idarado Mining Companyand Frederick S. Fisher, U.S. GeologicalSurvey | | | 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) | 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 | | | Journal (article/letter/editorial) | Geology Vol. 72, 1977, pp. 1285-1320 Sunnyside Mine,EurekaMiningDistrict,SanJuanCounty, Colorado'Geochemistry...Sunnysidemine, in the Eureka mining district, San Juan County, Colorado, produces700 tons/day of gold-silver-copp...quartz-fluorite-carbonate-sulfate ores (5%). Heating studiesof fluid inclusionsin quartz, fluorite, and... The 3D valuesof inclusionfluids from quartz, fluorite, sphalerite,and galena range from --96 to --135...geologicaland •09 o MONTROSE iO =1 'IsUN NYs IDE MINE __ <[I •-•:1 Ii iI •I -- •' • •U•AN•O COLa | | | Catalog/List | Mineral Shows 1 3 5 BARITE, FLUORITE & TAR Emilio Mine, Caravia, Spain. Fluorite cubes to 14mm. 68x52x29mm...68x52x29mm. £52 8 FLUORITE Berbes, Asturias, Spain. c.2000 (one of the last - now a land fill). 103x82x48mm...103x82x48mm. £95 3 FLUORITE with SCHORL inclusions on QUARTZ, Erongo, Namibia. 68x67x37mm. £38 6 NATIVE GOLD Gympie...47x33x33mm. £135 maliastr 2 CASSITERITE Pendarves Mine, Camborne, Cornwall. Crystal pockets on both sides...32x21x17mm. £46 15 SYLVANITE Cresson Mine, Cripple Creek. Colorado, USA. Rare+. Gold-silver telluride. 59x38x33mm | | | Journal (issue) | alex@aibmr.com CHAPTER PRESIDENTS (ALSO BOARD MEMBERS) COLORADO CHAPTER: Mark Jacobson; markivanjacobson@gmail...FRIENDS OF MINERALOGY 2014 FALL MEETING Denver, Colorado September 12, 2014 The meeting was called to order...Minerals of Colorado. Mark Jacobson presented a summary of the activities of the Colorado Chapter, and...their glory: white, bladed celestine, clear to tan fluorite, yellowish and white scalenohedral calcite, and...pockets in boulders with calcite, celestine and fluorite in them singly and in combination. Randy took | | | 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... 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...This article deals with that portion of San Miguel County extending from north of Telluride beginning at | | | 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 | | | Report (volume) | Mineral Resources of the Uncompahgre Primitive Area Colorado By R. P. FISCHER and R. G. LUEDKE, U.S. GEOLOGICAL...mineral survey in the Uncompahgre primitive area, Colorado. The area discussed in the report corresponds....___ _________________________________________ Ouray area____j______________________-.__________________...and R. G. Raabe_____.__..___ Claim coverage and mine workings._____________________________ Patented..._-____.____-______-____---Relationship of underground mine workings to the primitive-area boundary_ ______ | | | 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 | | | Book (edition) | Tourist as well. All of the 19 Rock Forma tions at Ouray, dating from the Pre-Cambrian to the Cenozoic Eras...1S80 relating to the growing Mining Industry at Ouray is printed in its entirety. Many historic photographs...Survey, Tom Rosemeyer, Chief Engineer, Camp Bird Mine and Miss Margaret B. Allen, M.A. of Orange, New...Introduction to Mineral Collecting at Ouray................ The Minerals at Ouray............................................................................. Fluorite.............................................. | | | 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...reddish-brown crystals to 2 cm associated with blue fluorite, galena, and water-clear gypsum have been found...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 | | | 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 | | | 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...calcite, barite, cerussite, malachite, azurite, fluorite and a host of other minerals alt mixed together...structures. $20.00 each DENDRITIC WIRESIL VER Elure Mine, Cobar, NWS, Australia; Fine crystalline wire silver |
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Idarado Mine, Ouray County, Colorado, USA