 | | 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...7 by 2.5 cm (8.5 ounces), Ground Hog mine, Gilman, Eagle County. Harvard Mineralogical Museum specimen |  | | 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...zinc, tungsten, and copper. In 1896 world-renowned mining engineer Thomas ''T.A." Rickard called the San...San Juans one of Colorado's four great mining regions along with Leadville, Cripple Creek, and Central City |  | | Journal (article/letter/editorial) | | Through the 'Scope 1 OURAY Eldorado mine IfXCamp Bird mine TEIXURTOE 'TMdarado mine q Eureka Red Mountain...2017 TOM ROSEMEYER 1632 Camp Bird Mine Road P . O . Box 586 Ouray, Colorado 81427 Tom Rosemeyer is the...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...in ex ploration and mining in the San Juan Mountains of southwestern Colorado for Ihe past twenty years |  | | Book | | MINES AND MINERALS OF THE GREAT AMERICAN RIFT (COLORADO-NEW MEXICO) Sine â_â< ¢ 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 |  | | 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...Overview of t h e District and the Smuggler Union and Associated Mines and Veins of Marshall Basin ED MINES FRS... 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 |  | | 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) | | 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 gol...geologicaland â˘09 o MONTROSE iO =1 'IsUN NYs IDE MINE __ <[I â˘-â˘:1 Ii iI â˘I -- â˘' ⢠â˘Uâ˘ANâ˘O COLa...southwesternColorado showing location of the Sunnyside mine and calderas of the San Juan volcanicfield. (Modified...depositionat the Sunnysidemine, Eureka mining district, San Juan County, Colorado (Fig. 1). The rediscoveryin 1971 |  | | 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) | | 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) | | actually quite difficult to distinguish from pyroxmangite [Mn(Mn,Fe)6(Si7O21)] and bustamite [(Mn,Ca)3Si3O9]...alleghanyite, tephroite, galaxite, bustamite, pyroxmangite, and sulfides such as galena and sphalerite...Franklin County; at Coventry and Irasburgh, Orleans County; and at Cavendish, Windsor County, Vermont... at Keene, and southeast of Hinsdale, Cheshire County, and elsewhere in New Hampshire and is reported...from Haddam, Middletown, and Portland, Middlesex County, Connecticut. In Rhode Island, rhodonite has been |  | | Journal (article/letter/editorial) | | MultistageVein Ores of the Lake City District, Western San Juan Mountains,Colorado John,⢠F. SL^CK U.S. Geological...vein ores of the Lake City district, in the western San Juan Mountains, Colorado,have producedapproximately$12...rhodochrosite'and tracesof pyroxmangite,calcite,sericite,and fluorite. At the Ute-Ulay mine, the largest producerof...producerof the district, titis assemblagehas been divided into four stages(from oldestto youngest)ĂIa, early...massiverhodochrosite'and Id, late quartz-carbonate-fluorite.On a district-wide scale,the quartz-basemetal assemblage showsa |  | | Book | | museum quality but many minerals can be found on mine dumps or can be purchased or traded. After introducing...granite but with no quartz. Sandstone (South Dakota, USA) _9_ A darker rock than granite but with a similar...Fluorite is a common example. Aragonite (Utah, USA) 27 Crystals Crystal Morphology The term morphology...crystal form. Other crystals Wulfenite (Arizona, USA) 29 may show lesser symmetry on a scale at the...over its beer: to go underground in a non-working mine is sheer folly unless you are accompanied by someone |  | | Book | | long (Marty, 2004 ). AFRICA widely in Litchfield County, where good crystals were taken from quartz veins...region (Brunet, I 977b ). NEW YORK Amity, Orange County. At many isolated collected sites between the towns...Mount Malosa, Chilwa alkaline province, Zomba district. "Illite" is the name of a series of incompletely...Litchfield County. Ilmenite masses and crystals from somewhere near Washington, Litchfield County, were described...Lake Road occurrence, Faraday Township, Hastings County. In fall 1994, Dan and Shelley Lambert extracted |  | | Book (volume) | | (25.56 ct), Sweet Home Mine, Colorado; colorless scheelite (19.66 ct), Kern County, California; octagonal...Vivid blue matched benitoite gems from San Benito County, California, consisting of 52 benitoites and 75...events to bring the history of North American gem mining up to date. Here, then, is the latest, most complete...and interviews with persons actively engaged in mining gemstones. Pertinent references are furnished throughout... most likely in Canada. Systematic large-scale mining of sapphire-bearing gravels in Montana is beginning |  | | Report (volume) | | anonymous papers, placed at the end of Part I Co. county cos. ¡ counties CORPORATE AUTHORS. Am G American...Miners' Association Cal St :M Bur California State Mining Bureau Can G S Canada, Geological Survey Can :M...the year of publication.] Abandoned valleys, Ohio basin: Campbell CM R), Ola Aberdeen-Redfield folio, S...Adams (F D), 18 Federal Government, relation to the mining industry: Hayes, 06 Fossil insects: Cockerell,...to geology: Davis ( W M), 12a Geologic bases of mining law: De Kalb, 10 Geologic basis for artesian prediction: |  | | Book (edition) | | Linopolis, Brazil, H Page 13: Gold, 35 mm.Eagle's est Mine, California, G Publi!>hed by Grdllit.u.o. Stefanikova43...abbreviations: Rep. (republic), prov. (province), co. (county), munic. (municipio), pref. (prefecture), dept...dept. (departement), dept. (departamento), dist. (district). Less common terms are not abbreviated, e.g....always included in text, except in the cases of the USA, UK, and the provinces Ontario and Quebec in Canada...Uintah County. Utah. and m (2.B. acanthite group). Monoclinic, C2/m, a,b,c Rio Blanco County. Colorado |  | | Book | | Livers Lambert, Boulder, Colorado. Typography by Argent Associates, Boulder, Colorado. Contents Preface...themselves in the minerals of a single mine or mineral district, one or several particular mineral species...to explore for fluorescing minerals. The fieldâmine, mine dump, or quarryâcan be richly rewarding in its...produced under ultraviolet light. Deserts were combed, mine dumps searched, and shelves filled with showy fluorescent...thanks are due to Peter Modreski of Littleton, Colorado; Dick and Mardy Zimmermann of Mesa, Arizona; | | | Book | | Livers Lambert, Boulder, Colorado. Typography by Argent Associates, Boulder, Colorado. 549!.125 QBI93-652...themselves in the minerals of a single mine or mineral district, one or several particular mineral species...explore for fluorescing minerals. The fieldâmine, mine dump, or quarryâcan be richly rewarding in ...produced under ultraviolet light. Deserts were combed, mine dumps searched, and shelves filled with showy fluorescent...thanks are due to Peter Modreski of Littleton, Colorado; Dick and Mardy Zimmermann Arizona; Roy Parsons |  | | Journal (volume) | | BUREAU OF MINES JANUARY 1990 New Materials Tes Ary Mining Is Coming Back CS wm RR ÂŽ ! be ae Ts â...developments, trends and issues concerning the mining, processing and use of minerals and materials....Finding the Construction Materials," âThe 1872 Mining Act,â and âExploring Alaskaâs National Petroleum...in new-materials development. 18 INTERVIEW The Mining Industry Bounces Back A formal and wide-ranging...Creek Bridge, on Route 199 in Califomia's Del Norte County, employs precast concrete to reinforce the strength |  | Doebrich, Jeff L., Albino, G.V., Barker, C.E., Duffield, W.A., Dunn, V.C., Hanna, W.F., McFarlan, J.P., McGuire, D.J., Miller, M.S., Peters, S.G., Plouff, Donald, Raines, G.L., Sawatasky, D.L., Spanski, G.T. (1994) Resource assessment of the Bureau of Land Management's Winnemucca District and Surprise Resource Area, Northwest Nevada and Northeast California. Open-File Report Vol. 1994 (94-712) US Geological Survey doi:10.3133/ofr94712 | Report (issue) | | OF THE BUREAU OF LAND MANAGEMENT'S WINNEMUCCA DISTRICT AND SURPRISE RESOURCE AREA, NORTHWEST NEVADA AND...the Bureau of Land Management's (BLM) Winnemucca District and Surprise Resource Area, an area covering 13...Conservation Area), and the impact of mine dewatering on drainage basin groundwater resources (for example...example, the Humboldt River drainage basin). Primary objectives of this assessment include 1) identifying areas...part of their Resource Management Plan for the District/Resource Area or for other planning units such | | | Book (volume) | | rhoColorado; eolorless scheelite (19.66 cc), Kern Cowny, California;...Vivid blue matched benitoite gems from Sai, Benito County, California, consisting of 52 benitoites and 75...and interviews with persons actively engaged in mining gemstones. Pertinent references are furnished throughout... most likely in Canada. Systematic large-scale mining of sapphire-bearing gravels in Montana is beginning...operators, Morefield Mine, Amelia, VA; Max & Suzy Berchtold, Royal Rainbow Mine, Laytonville, CA; Ralph |  | | Book (edition) | | Morocco; (center, left) wulfenite, San Francisco mine, Sonora, Mexico; (center) ameihyst, Veracruz, Mexico;...rnodochrosite, NâChwaning mine, South Africa; (lower left, center) wulfenite, Red Cloud mine, Arizona; (lower...Encyclopedia of minerals Sagiiache County Pu blic Library Saguache , Colorado DEMCO For Reference Not to...Wendell E. Wilson Library Saguache County Public Saguache, Colorado VAN NOSTRAND REINHOLD New York ...Cal and Kerith Graeber Cureton Mineral Company Colorado School of Mines Charles and Marcelle Weber Dan | | | Book (edition) | | Morocco; (center, left) wulfen ite San Francisco mine, Sonora, Mexico; (center) amethyst, Veracruz, Mexico;...Mountains, Utah; (lower le ft) rhodochrosite, N'Chwaning mine, Sou th A frica; {lower left, center) wulfenite...Encyclopedia of minerals ~~cbe County Public Library Saguache, Colorado OEMCO For Refere nee Not to...Sagtiache Co1tntr Publlc I...ibran' Saguache, Colorado ~ VANNOSTRAND REINHOLD ~ - - - - N e w York...Cal and Kerith Graeber Cureton Mineral Company Colorado School of Mines cw Charles and Marcelle Weber |  | | Report (issue) | | 1965. 1966. 1967. 1968. Numerous Federal, State, county, and local agencies and other organizations and...-___ California. _ __________________________ Colorado ______________________________ Montana. _____...Mineral-resource studies.________________ Western Belt Basin..___._______ Montana disturbed belt.________________...Mountains_--_-------------- A41 Precambrian rocks of Colorado.__________ 41 41 Mesozoic stratigraphy.__________________...field, New Mexico..---------------------------43 43 Basin and Range region----....-. ._ -45 Pacific coast |  | Gaines, Richard V., Skinner, H. Catherine W., Foord, Eugene E., Mason, Brian, Rosenzweig, Abraham, King, Vandall T. (1997) Dana's New Mineralogy (8th ed.) Wiley-Interscience. p.1872 | Book (edition) | | B. Hoover: U.S.G.S., Federal Center, Lakewood, Colorado. John M. Hughes: Dept. of Geology, Miami University...Louise Reif: U. S. G. S., Federal Center, Lakewood, Colorado. Charles B. Sclar: Dept. of Earth Sciences, Lehigh...usage) Alabama Alaska Arizona Arkansas California Colorado Connecticut Delaware Florida Georgia Hawaii Idaho...Morelos Nayarit NSW NT Q SA TAS VIC WA AGS BCN BCS CAMP CHIS CHIH COAH COL DF DGO GTO GRO HGO JAL MEX MICH...Communications Chemical Society of Japan Bulletin Colorado School of Mines Quarterly Crystal Structure Reports |
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