 | | 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' |  | 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 |  | | Report (volume) | | Radioactivity in the Metal-Mining Districts of the San Juan Mountains Colorado GEOLOGICAL SURVEY --*_-...Radioactivity in the Metal-Mining Districts of the San Juan Mountains Colorado By C. T. PIERSON, W. F. WEEKS...radioactivity in the metal-mining districts of the San Juan Mountains, Colorado, by C. T. Pierson, W. F..._______________ CeboUa district..______________________________ Upper Uncompahgre district. ______ _________________________...Uranium occurrences___________ ________ __ Bonanza district..____________________ ___________________ General |  | | Report (issue) | | Veins and Vein Sediments, of the Golden Wonder Mine Lake City, Colorado: an Epithermal Hot Springs Gold-Alunite...map, Lake City Area. Schematic west-east section, Golden Wonder Mine. West-east section, Golden Wonder...Wonder Mine. Plan view map, third level. Plan view map, east end of sixth level. Plan view map, fourth level...chalcopyrite with alunite. Hot-spring model for the Golden Wonder Mine. Isothermal log fO£-fS2 diagram, 250^C, 1...in the Golden Wonder Mine 11 GEOLOGY OF THE VEINS AND VEIN SEDIMENTS OF THE GOLDEN WONDER MINE, LAKE |  | Bove, Dana J., Hon, Ken, Budding, Karin E., Slack, John F., Snee, Lawrence W., Yeoman, Ross A. (2001) Geochronology and geology of late Oligocene through Miocene volcanism and mineralization in the western San Juan Mountains, Colorado. Professional Paper 1642. US Geological Survey doi:10.3133/pp1642 | Report (issue) | | Mineralization in the Western San Juan Mountains, Colorado U.S. Geological Survey Professional Paper 1642...outflow Fish Canyon Tuff (lower cliffs), near Lake City, Colo. Geochronology and Geology of Late Oligocene...Mineralization in the Western San Juan Mountains, Colorado By Dana J. Bove, Ken Hon, Karin E. Budding, John...mineralization in the western San Juan Mountains, Colorado / by Dana J. Bove ... [et al.]. p. cm. - (U.S...Geology—San Juan Mountains (Colo. and N.M.). 4. Geology—Colorado. 5. Volcanism—San Juan Mountains (Colo. and N |  | | 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 |  | | Report (volume) | | . 234 " y { " ,-t .. .~,:",. I " , COLORADO "or.! _ +, (~ STATE OF .~ :'(' COL~ADO /... BULLETIN 40 RADIOACTIVE MINERAL OCCURRENCES OF COLORADO AND BlaLlllGRAPHY by James L. Nelson-Moore,...Energy COLORADO GEOLOGICAL SURVEY DEPARTMENT OF NATURAL RESUURCES STATE OF COLORADO DENVER, COLORADO 1978...ete 11 st r ng of rad i aaet 1ve occurrences 1n Colorado, with a comprehensive blbi iography and bibliographic...on the Colorado Plateau sparked several periods of exploratIon that ultimately led to a mining "boom ll |  | | 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) | | 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 |  | | Book | | a great many legends, such as Jason and the Golden Fleece, Gaulish gold for Caesar, the gold of the Rhine...before our very eyes, as a result of deposits in sea, lake and river water, often under the influence of biological...lepidolite, kinzite, colored tourmalines, etc. Golden beryl (yellow-brown) derives its color from iron...Siberia): 10 cm. 2 — Topaz (Thomas Range, Utah, USA): 1 cm. 3 — Topaz (Virgen de Lapa, Minas Gerais,...26 (Pala, (Madagascar): California, 20 cm. USA): 13 cm The black varieties are very common in | | | Book | | a great many legends, such as Jason and the Golden Fleece, Gaulish gold for Caesar, the gold of the Rhine...before our very eyes, as a result of deposits in sea, lake and river water, often under the influence of biological...lepidolite, kl/nzite, colored tourmalines, etc. Golden beryl (yellow-brown) derives its colorfrom iron...Siberia): 10 cm. 2 - Topaz (Thomas Flange, Utah, USA): 1 cm. 3 - Topaz (Virgen de Lapa, Minas Gerais,...tourmaline. 1 - Tourmaline/Rubellite (Paia, California, USA): 13 cm. 2 - Tourmaline (Madagascar): 20 cm. ■ |  | | 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 .................................... |  | | 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 | | Geologic Interpretation of Colorado Scenery the Minerals and Rocks Colorado Gem Trails Mineral Collectors...Pikes Peak and the Pikes Peak Region Nature Colorado Gem Trails and Mineral Guide Geology: Physical...PEARL Department of Geology Colorado College, Colorado Springs, Colorado BONANZA BOOKS * NEW YORK...What Do You Have— And How Much? 71 7 Staking a Mining Claim 85 8 The 9 Gemology to for Mineral...profitably, than in the usual mineral market. Many a mining family shows with pride the attractive crystals |  | | 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 |  | | Book | | University of Colorado and Harvard University, is Associate Professor of Geology at Colorado College. He...Mountain Federation of Mineral Societies, and the Colorado Mineral Society. Professor Pearl is the author...minerals is described, together with the methods of mining them. Italics emphasize essential scientific terms...High Bureau of Frequency Standards, Boulder, Colorado. The colored photographs have been obtained through...Heritage 2. PROSPECTING AND MINING . . . . .11 Prospecting Mining Milling, Smelting, Refining |  | | Report (volume) | | OT1S SMITH, DIRECTOR .jf \ BULLETIN 583 ' ' COLORADO FERBERITE AND THE WOLFRAMITE SERIES A r* i BY......... 8 Geography and geology of the Boulder district........................... 8 Occurrence, vein.... 38 CRYSTALLOGRAPHY OF FERBERITE FROM BOULDER COUNTY, COLO., by Waldemar T. Schaller.................. CONTENTS. CRYSTALLOGRAPHY OF PERBERITE PROM BOULDER COUNTY, COLO. Continued. Discussion of the prism zone...inclosing finely brecciated pegmatite, from the Conger mine, Nederland, Colo.... II. Brecciated granite and |  | | Book (edition) | | Meteorites Metals Radioactive Minerals Gems Fossil Fuels Mining Collecting as a Hobby RICHARD M. PEARL $1.95 ...Richard M. Pearl, Associate Professor of Geology, Colorado Co1lege, is the author of H ow to Know the Minerals...AND ROCKS 221 XIII THE FOSSIL FUELS 246 XIV MINING AND MILLING xv WATER RESOURCES XI XVI 272... • 303 307 PHOTOGRAPHS On cover: top left: Lake Superior agate, Winona, Minnesota; top right: octahedral...alaskaite from the Alaska mine in Colorado, cubanite from Cuba, kernite from Kern County in California, aragonite |  | | 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 . . . . . . . . . . . . . . . . . |  | | Book (volume) | | SOUTHWESTERN QUADRANT Arizona, Arkansas, California, Colorado, Louisiana, Nevada, New Mexico, Oklahoma, Texas...Southwestern Quadrant Arizoni, Arkansas, California, Colorado, Louisicna, Nevada, New Mexico, Oklahoma, Texas...treasured friend, Frank A. Greene, Jr. of Coal City, Illinois | ae a nem ee as - @ lan aus...Location Numbers Arizona Arkansas California Colorado 258 Louis B30 ana HOW TO USE THIS BOOK...volumes, through very precise directions and accurate county maps, to get you to the best and most accessible |  | | 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 |  | | Book (edition) | | AND ROCKS 221 XIII THE FOSSIL FUELS 246 XIV MINING AND MILLING 263 XV WATER RESOURCES 272 MINERAL...alaskaite from the Alaska mine in Colorado, cubanite from Cuba, kernite from Kern County in California, aragonite...from the Arabic "powder of the mine" because it came from a silver mine. Perhaps the worst blunder in...orpiment means "gold paint" because it was used as a golden-yellow pigment. name from the Owing to its...remarkably complete and authoritative treatise on mining, metallurgy, and minerals, which was published |  | | Book | | 193-256 137-208 129-192 209-264 193-256 [ [ COLORADO-Ill] 177-256 121-184 89-168 1-120 1-88 [ ...177-256 185-280 169-248 [ 425-528 337--400 COLORADO-II] 321--400 337--400 ARIZONA-Ill] 337--400...69-132 65-128 1-64 11 / 1980 20 I 1989 [ COLORADO-I] [ 289-352 385-448 [ AUSTRALlA] 353-504...On a spectacular find of crocoite in the Adelaide mine, Dundas, Tasmania (by A. H. Chapman) 3:111-113 ADOLFSSON...Iaria from the Howard-Montgomery quarry, Howard County, Maryland (by J. S. White) 25:53-54 AFGHANISTAN |
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