 | | Journal (article/letter/editorial) | | MultistageVein Ores of the Lake City District, Western San Juan Mountains,Colorado John,• F. SL^CK U.S. Geological...Polymetallic vein ores of the Lake City district, in the western San Juan Mountains, Colorado,have producedapproximately$12...northeast,and east sides of the 22.5-m.v.-old Lake City caldera. The veins,typically0.5 to 1.5 m wide...fractures and faults outside the ring fault of the Lake City caldera and within the moat area of the older...fracturesand faultsexclusivelyon the north side of the Lake City caldera, witere vein minerals include' pyrite' |  | | Journal (article/letter/editorial) | | CALAVERITE Cripple Creek, Colorado W ith the exception of native gold and electrum, the gold telluride calaverite...Cripple Creek district, essentially subsequent to the development of all other Colorado gold districts...suggested for this issue, much of which is devoted to Colorado minerals. Calaverite is a yellowish to silver-white...telluride. Analyses of calaverite from the Kirkland Lake district, Ontario, Canada, show up to several tenths...1995). Calaverite is known from the Star mine in Montgomery County, North Carolina, where it occurs rarely |  | | Journal (article/letter/editorial) | | [Northeastern University] at 11:57 17 November 2014 Husky Mine, Elsa, Yukon Territory, Canada T he ruby silvers...have been available in recent years from the Husky mine, Yukon Territory, Canada. Consequently, in keeping...this year’s Tucson Gem and Mineral Show, a Husky mine polybasite has been nominated as this issue’s Connoisseur’s...of the more interesting Colorado occurrences include mines of Clear Creek County, particularly in the Georgetown...American Sisters, and Colorado Central mines; elsewhere in Clear Creek County crystals and masses to |  | Hon, Ken, Ludwig, K. R., Simmons, K. R., Slack, John F., Grauch, R. I. (1985) U-Pb isochron age and Pb isotope systematics of the Golden Fleece vein; implications for the relationship of mineralization to the Lake City Caldera, western San Juan Mountains, Colorado. Economic Geology, 80 (2) 410-417 doi:10.2113/gsecongeo.80.2.410 | Journal (article/letter/editorial) | | Systematicsof the Golden Fleece Vein Implications for the Relationshipof Mineralization to the Lake City Caldera...Caldera, Western San Juan Mountains, Colorado KEN HON, K. R. LUDWIG, K. R. SIMMONS, U.S. GeologicalSurvey,Denver...27.5 + 0.5 m.y. has been determinedfor the Golden Fleece vein, southwesternColorado,which containsan...pitchblendeand gold-silver telluridesunique within the Lake City area. Initial Pb isotoperatiosof ore samplesfrom...related to the 23.1-m.y.-old Lake City caldera.Other veinsin the Lake City areahavePb isotoperatiosand |  | | Journal (issue) | | For August, 1935 __ __ ,,. PAe& The Boulder, Colorado, Tungsten Area. By Ronald L. Ives ........ 113............................. 12 3 Lake City Mining District, Colorado. By David Seaman ........... 124...The Boulder, Colorado, Tungsten Area By RONALD L. IVES Since the early days of placer mining mation is pre-Cambrian...pre-Cambrian, with three, in Colorado, those who panned the and possibly four mineralizations, the creeks...remainder FeWO, .... Ferberite hlgh country of Boulder County, Color20-80 % Mn WO., ado, near the town of Nederland |  | | 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...10 cm tall, from the Yucca Hill claim, Park County, Colorado. Richard A. Kosnar specimen; photo by John |  | | 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 |  | | 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 |  | | | | be put to, on the wearing of gold as well as on mining and refining. The result is an intriguing account...22 The Working of Gold 40 Treasure 66 The Golden Life 82 The Getting of Gold 102 Gold Rush 122...of Gold Wearing Gold 158 | Gold Today 180 . Golden Terms 192 | Further Reading 201 Index 202 ...and of eternal life, upon his breast. Below: a golden sunset over Laguna Beach, California. “Above:...the wealthy businessman will take his bath in a golden tub, in the half-ashamed belief that this will |  | | Book | | be put to, on the wearing of gold as well as on mining and refining. The result is an intriguing account...The Working of Gold 40 Treasure | 8 66 The Golden Life 82 The Getting of Gold Gold Rush 102 122...Currency of Gold Wearing Gold Gold Today 158 180 Golden Terms 192 Further Reading Index 201 202 Acknowledgments... Right: Egyptian goldsmiths at work. Below: a golden sunset painting at Beni Hassan, and of eternal...the wealthy businessman will take his bath in a golden tub, in the half-ashamed belief that this will |  | | Book | | 1 2001 ') k ?nn? 2 2003 QAYLORD PRINTED IN USA. paid ror and no books will be issued to persons...Is 1 Gold Obtained? The Processes of Finding, Mining, Testing, and Refining Gold Gold Has Many Uses...worked as easily as that early men, even with golden objects. this. their simple tools, No wonder...the so difficult to remove from effort. This golden miniature hare was fashioned in Iran in the seventh... HOW GOLD OBTAINED? THE PROCESSES OF FINDING, MINING, TESTING, AND REFINING GOLD IS ^GOLD is usually |  | | Journal (issue) | | Univ. of So. Florida Richard W. Thomssen Carson City, Nev. photography Nelly Bariand Sorbonne, Paris...Weber Mamaroneck, N.Y. Articles Collecting gold mining memorabilia.......................................... 337 by D. J. Mossman The Colorado Quartz mine, Mariposa County, California: a modem source of crystallized...information contact: Gale Thomssen P.O . Box 1656 Carson City, NV 89702 702-883-2598 Registration deadline: January...experiences her interest in mining and minerals began to grow. In 1929 she moved to the mining town of Bisbee and |  | | Report (issue) | | 5.1 cm high from Eagle's Nest mine in Placer County, Caifornia, USA Collection Marlin Zinn; photo Jeff...International, LLC P.O. Box 263, East Hampton, CT 06424, USA Phone 1.860.267.1512; fax 1.860.267.7225 www.lapisint...Lapis International, LLC East Hampton, Connecticut USA Collection 'Alan Table of Contents What Is Gold...Southeastern USA . . . . . . . .P. 16 R. Chris Tacker California and All That Is Golden . .. .. . . .... . . . . . . . . . . . . . P. 60 Stefan Weiss Golden Pseudomorphs . . . . . . . . . . . . . . . . . |  | | Report (issue) | | Series 30 Bibliography and Index of Colorado Geology, 1984-1989 Colorado Geological Survey Department of...Resources Denver, Colorado 1990 Information Series 30 Bibliography and Index of Colorado Geology, 1984-1989...Institute under contract to the Colorado Geological Survey Colorado Geological Survey Department of...of Natural Resources Denver, Colorado 1990 ii FOREWORD In recognition of the need to more effectively...published literature on the state's geology, the Colorado Geological Survey is pleased to release Information |  | | Report (issue) | | 1986, Geology and development of the Hishikari mine: Mining Geology, v. 36 (2), no. 196, p. 117. Adams,...Fluid-inclusion and geochemical studies at the Emperor gold mine, Fiji: Unpub. Ph.D. dissertation, University of...46, p. 9-24. Ashley, R. P., 1974, Goldfield mining district, in Guidebook to the geology of four Tertiary...metals in silicified rocks of the Goldfield mining district, Nevada: U.S. Geological Survey Professional...Quicksilver deposits of the Knoxville district, Napa, Yolo, and Lake Counties, California: California Journal |  | | Report (volume) | | it helpful to refer to Survey Bulletin 507, "The mining districts of the western United States," and to...abundant, it may have been completely exhausted by mining or quarrying. Deposits of minerals of wide distribution...because they occur in sufficient quantity to warrant mining for their usual products but because they furnish...A. F. Rogers, Stanford University, Palo Alto. Colorado.........Prof. R. D. George, Boulder. Connecticut...Indianapolis. Iowa.............. Prof. George F. Kay, Iowa City. Kansas............Prof. Erasmus Haworth, University |  | | Report (volume) | | ............................................. Colorado........................................................................................ 102 District of Columbia ....................................to refer to Geological Survey Bulletin 507, "The mining districts of the western United States," and to...abundant it may have been completely exhausted by mining or quarrying. Deposits of minerals that are widely...because they occur in sufficient quantity to warrant mining for their usual products, but because they furnish |  | | Report (issue) | | 31 University of Nevada Press, Reno, Nevada 89557 USA Copyright © 2004 by University of Nevada Press Photographs...copyright © 2004 unless otherwise noted Map of Mining Districts and significant mineral occurrences of...Olivenite, 1.6-cm cluster, Majuba Hill Mine, Antelope district, Pershing County. N. Prenn collection. Photograph...production of environmental protection equipment. Mining and the discovery, identification, and development...to Nevada in 1929 and was actively involved in mining in the state and the western U.S. for the rest |  | | Report (issue) | | Mineral Consultant, 695 South Ogden Street, Denver, Colorado 80209, U.S.A. Harold F. Bonham, Jr., University...Nevada 89557-0088, U.S.A. Eiji Izawa, Department of Mining, Faculty of Engineering, Kyushu University 36,...Fluid-inclusion and geochemical studies at the Emperor gold mine, Fiji; Unpub. Ph.D. dissertation, University of...S.A., 72 p. Ashley, R. P., 1974, Goldfield mining district, jLn Guidebook to the geology of four Tertiary...metals in silicified rocks of the Goldfield mining district, Nevada: U.S. Geological Survey Professional |  | | Report (issue) | | 27 32 Illustrations Figure 1. Location map of mining districts in the Reno 1° x 2° quadrangle, Nevada...Table 1. Table 2. Table 3. Known production from mining districts in the Reno 1° x 2° quadrangle, Nevada.............. Occurrences of mineral deposits in mining districts of the Reno 1° x 2° quadrangle, Nevada...for 4 years. This report is a review of the known mining districts within the Reno quadrangle, as well as...starting point for those interested in previous mining and research efforts within the Reno quadrangle |  | | Journal (volume) | | THEPJRNALCTMJNf.RALCXjY TANJELOFF LIMITED, EXPLORATION, MINING• AND DISTRIBUTION 0 F MINERALS AND GEMS , Summer...clearing-house for all literature on gems, minerals, mining, crystallography. jewelry and the related arts...parts of the surface of the moon will look like a city refuse dump. Reports are that enough mechanical...become a vast have vision are taking steps toward mine safety, re streams and lakes, the air we breathe...minerolog1s1 who ,s Professor al Geology 01 Colorado Springs, Colorado, and aurhor of several of the most popular |  | | Book (volume) | | ...........................................59 Colorado ...............................................................548 Table of Maps Page Alabama County Map ...................................................................................4 Alaska County and Stream Map ..................................Co. Mining Districts ............................................................22 Arizona County Map.........................23 Arizona – Cochise Co. Mining Districts .................................... | | | Report (issue) | | 3i University of Nevada Press, Reno, Nevada 89557 USA Copyright© 2004 by Uni versity of Nevada Press Photographs...te, r.6-cm cluster, Majuba Hill Mine, Antelope district, Pershing County. N. Prenn coJlection. Photograph...percent of the state. Nevada's public lands offer mining, livestock grazing, wild horse viewing, .scenic...Road and Geologic Tours in th<' Las Vegas Area. Mining and the discovery, identification, and development...Vavis The Goodsprings (Yellow Pine) Mining District, Clark County John C. Kepper MINERAL CATALOG 91 |  | | Book (volume) | | ...........................................47 Colorado ................................................rights, so remember you were told. If in doubt, a county map will tell you who the legal owner is. Good...gemmy qualities for cutting and polishing. AUTAUGA COUNTY PRATTVILLE, N. 6 mi., and just E of the Birmingham...were well known to prehistoric Indians.) BARBOUR COUNTY BAKER HILL, SE 1 mi. : 1 in a deep ravine, as a...deep red to variegated⎯ocher. BIBB COUNTY GENERAL AREA: c county gravel pits along the Cahaba R.⎯gemmy |  | | Book (volume) | | ...........................................47 Colorado ................................................rights, so remember you were told. If in doubt, a county map will tell you who the legal owner is. Good...gemmy qualities for cutting and polishing. AUTAUGA COUNTY PRATTVILLE, N. 6 mi., and just E of the Birmingham...were well known to prehistoric Indians.) BARBOUR COUNTY BAKER HILL, SE 1 mi. : 1 in a deep ravine, as a...deep red to variegated⎯ocher. BIBB COUNTY GENERAL AREA: c county gravel pits along the Cahaba R.⎯gemmy |
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