 | | Journal (article/letter/editorial) |
| inches; a floater specimen, Cross vein, Idarado mine, Ouray and San Miguel countries. Figure 2 (right). Cluster...Fremont County. C-O-L-O-R-A-O-O CALCITE BARBARA L. MUNTYAN Ouray County Museum Ouray, Colorado 81427...Tennessee; the Viburnum Trend district, southeastern Missouri; the Tri-State district (Missouri-Kansas-Oklahoma);...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 |
 | | Report (issue) |
| Deposits of the Uncompahgre (Ouray) Mining District, Southwestern Colorado Professional Paper 1753 U.S...western San Juan Mountains region of southwestern Colorado. In the foreground is a broad, gently south-sloping...flat-bottomed, glacier-carved valley. The town of Ouray (about 7,800 feet altitude), just visible through...Dollar Highway” south of Ouray, parallels the Uncompahgre River valley to connect Ouray with Montrose to the...and other canyons and mountain passes to connect Ouray with Silverton and Durango to the south. The many |
 | | 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 (volume) |
| ORE DEPOSITION IN THE UNCOMPAHGRE DISTRICT OURAY COUNTY, COLORADO WITH SUGGESTIONS FOR PROSPECTING BY...Prepared in cooperation with the COLORADO METAL MINING FUND AND THE COLORADO GEOLOGICAL SURVEY BOARD Contributions........................ Contact of the dolomitic Ouray limestone andLeadvillelimestone. Contact of Leadville...-_--______--__-__--__-_-__--__--__-____Area south of the Ouray fault._______-_______________-______' Deposits associated...fissures.___-____-__-__--_--___-_ Area north of the Ouray fault...........____________________ Suggestions |
 | | Book (edition) |
| Tourist as well. All of the 19 Rock Forma tions at Ouray, dating from the Pre-Cambrian to the Cenozoic Eras...Report of 1S80 relating to the growing Mining Industry at Ouray is printed in its entirety. Many historic...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............................................................................. Hematite.............................................. |
 | | Report (volume) |
| Geology of the Placerville Quadrangle San Miguel County Colorado GEOLOGICAL SURVEY BULLETIN This report concerns...Geology of the Placerville Quadrangle San Miguel County Colorado By A. L. BUSH, C. S. BROMFIELD, and C. T. PIERSON...Wanakah formation_ ________________«_____________ Pony Express limestone member__________________ Bilk Creek... FIGUBE 13. Index map of part of southwestern Colorado._______________ 14. Generalized structure map...______________----__---_.._-___16. Sketch map of the Placerville district----_---_-_-_-_-___- 330 331 302 356 357 374 |
 | | Report (issue) |
| Areal Geology of the Little Cone Quadrangle Colorado By A. L. BUSH, O. T. MARSH, and R. B. TAYLOR CONTRIBUTIONS...signifie ant vanadium deposits of the Placerville district. Prepared on behalf of the U.S. Atomic Energy...formation__________________________________ Pony Express limestone member.. ___________________ Bilk...southwestern Colorado.._____________ 425 43. Index map of the Placerville district, San Miguel County, Colo...GEOLOGY AREAL GEOLOGY OF THE LITTLE CONE QUADRANGLE, COLORADO By A. L. BUSH, 0. T. MARSH, and R. B. TAYLOR ABSTRACT |
 | | Report (issue) |
| Geology and Ore Deposits of the La Plata District Colorado By EDWIN B. ECKEL with sections by J. S. WILLIAMS...cooperation with the Colorado State Geological Survey Board and the Colorado Metal Mining Fund UNITED STATES...the Animas River. _ _ _ Lithology in La Plata district _ _______ Permian system____________________________...__________________ General features-______-_____---____ Pony Express limestone member___-_. Marl member and Bilk...part of district -_ _. ..____'_ Northwestern part of district--------Southern part of district. ______ |
 | | 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 (issue) |
| PALEOZOIC ROCKS BENEATH THE IDARADO MINE, NORTHWEST SAN JUAN MOUNTAINS, COLORADO by James N. Mayor1 and Frederick...imply endorsement by the U. S. Government. ^ewmont Mining Corporation Denver, CO ^.S. Geological Survey Tucson...Paleozoic rocks for mineralization beneath the Idarado Mine. The holes are sited along the highly productive...intersection, economic mineralization at the Idarado mine essentially bottoms at the Tertiary unconformity...Calcareous rocks of the Hermosa, Molas, Leadville, Ouray and Elbert formations were metasomatized. Relatively |
 | | Report (volume) |
| THE ! UNCOMPAHGRE PRIMITIVE AREA, "OT TTHWESTERN COLORADO - c-t SURVEY BULLETIN 1391-E Mineral Resources...Primitive Area, San Juan Mountains, Southwestern Colorado By T. A. STEVEN, P. W. LIPMAN, F. S. FISHER, U...primitive area, San Juan Mountains, southwestern Colorado. (Studies related to wilderness primitive areas)...I 19.3-.1391-E 1. Mines and mineral resources Colorado San Juan Mountains. I. Steven, Thomas August,...Primitive Area, San Juan Mountains, southwestern Colorado, and some adjoining national forest lands that |
 | | Journal (article/letter/editorial) |
| ....................................... 959 Pony Express limestone, Bilk Creek sandstone, and Wanakah.......................................... 985 Pony Express limestone, Bilk Creek sandstone, and Wanakah...certain lithologie units in adjacent parts of Utah, Colorado, Arizona, and New Mexico............................ 3. Generalized sedimentary cycle for the Colorado Plateau.........................................977 982 Facing page 1. Rock exposures in the Colorado Plateau...................................... |
 | | 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) |
| 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_ ______ |
 | | Report (volume) |
| Nomenclature of Jurassic and Cretaceous Rocks of the Colorado Plateau U.S. GEOLOGICAL SURVEY BULLETIN 1633...Bldg., 2600 corridor, 18thandCSts.,NW. DENVER, Colorado-Federal Bldg., Rm. 169, 1961 Stout St. LOS ANGELES...ROLLA, Missouri-1400 Independence Rd. . DENVER, Colorado-Map Distribution, Bldg. 810, Federal Center ....Nomenclature of Jurassic and Cretaceous Rocks of the Colorado Plateau Revisions in Nomenclature of the Middle...Nomenclature of Middle and Upper Jurassic Rocks, Western Colorado Plateau, Utah and Arizona By FRED PETERSON The |
 | | Report (volume) |
| Distribution of Elements in Sedimentary Rocks of the Colorado Plateau A Preliminary Report GEOLOGICAL SURVEY... Distribution of Elements in Sedimentary Rocks of the Colorado Plateau A Preliminary Report By WILLIAM L. NEWMAN... CONTENTS ILLUSTRATIONS FIGURES 42-68. Maps of the Colorado Plateau showing outcrop pattern and other features...______________________________ Todilto limestone and the Pony Express limestone member of the Wanakah formation.__________...copper in sandstone____________ 72. Map of the Colorado Plateau showing areas of sandstone of the Shinarump |
 | | Book (volume) |
| Engineering Nevs-Record Power V Engineering and Mining Journal-Press Chemical and Metallurgical Engineering...Western Hemisphere Tertiary ore-deposit belts of Colorado and New Mexico The Great Silver Channel 79... Igneous rocks and uphfts of Utah 81. Chain of mining camps in Southwestern Utah 82. Manganese in the...waters Guanajuato, Mexico; Carmen mine. Upper pressure limit Waihi mine. New Zealand. Upper termination...termination of veins 87. 88. .... platinum district Mountains. Pyroxene-olivene-magnetite rock, showing magnetite |
 | | Report (issue) |
| Selected Mining Districts of Utah by Carl L. Ege Headframe of Centennial Eureka mine, Tintic mining district... . . . . . . . . . . . . . . .1 What is a mining district? . . . . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . . . . . . . .1 How many mining districts are there in Utah and are they still...mineral resources are mined in Utah’s most productive mining districts . . . . . . . . . . . . . . . . . . ...most common types of ore deposits found in Utah’s mining districts? . . . . . . . . . . . . . . . . . . |
 | | Report (volume) |
| Potential and Geology of the San Juan National Forest, Colorado Edited by Richard E. Van Loenen and Anthony B...potential and geology of the San Juan National Forest, Colorado I edited by Richard E. Van Loenen and Anthony...: I 19.3.2127 1. Mines and mineral resources--Colorado-San Juan National Forest. I. Van Loenen, Richard...famous mining districts, such as those at Rico and La Plata, but there is no significant mining being...Foley, and Anthony B. Gibbons Exploration and Mining History ...................................... |
 | | Journal (article/letter/editorial) |
| Depositsin the EntradaSandstone, PlacervilleMining District, SouthwesternColorado GEORGE N. BREIT U.S.GeologicalSurvey...1990). Estimatesof the ageof ore formation on the Colorado Plateau indicate that the solution interfac.... Uraniumdepositshostedby Jurassicrockson the Colorado Plateauhavebeen dated usingU-Pb isotopesystematics...Wash Member of the JurassicMorrisonFormationin Colorado and Utah formed during the Early Cretaceous(110...Placerville district, San beyond the district is uncertain becausethe Entrada is Miguel County, Colorado,was |
 | | Journal (article/letter/editorial) |
| are interesting specimens. Centreville is in Bibb County, in the central part of Alabama. Near Odenville...the famous lead-zinc mine at Tiger, Ariz. This caption reads: "This is Tiger—mining community of about...southeastern Pinal County which probably will become a ghost town when the Saint Anthony Mining and Development...Development Company shuts down its lead-zinc mine (on hill at left). Company officials say development of the...will ease the economic blow to the area. The Tiger mine, one of the biggest lead producers in the U. S. |
 | | Report (issue) |
| environments of the Chinle and related rocks on the Colorado Plateau, including the San Juan basin, were summarized...the Nacimiento Mountains 10]0 0 Cortez UTAH COLORADO NEW MEXICO ----------------- SAN JUAN BAS...summarized in Stewart and others (1972a, b) for the Colorado Plateau. Stewart and others (1959, 1972a) also...correlations of the Chinle and related formations on the Colorado Plateau. Regional stratigraphy, lithofacies, orientation...the Chinle and related Triassic strata on the Colorado Plateau (Stewart and others, 1972a). In order |
 | | 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 |
 | | Report (volume) |
| . 234 " y { " ,-t .. .~,:",. I " , COLORADO "or.! _ +, (~ STATE OF .~ :'(' COL~ADO /...subcontractors, I 01' their employees, makes any warranty, express or ~ imp'lied, or asslimes any lega'i liability... 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 |
 | | Book (volume) |
| collect on any private mining claim(s), patented land or public land without the express permission of the...portion of this book may be reproduced without the express written permission of the copyright holders. Copyright...these unique mineral deposits and has been actively mining and marketing minerals for the past 22 years. He...of topaz and its associated minerals, as well as mining the minerals. Whenever I have collected in the...quartz or structures with calcite, fluorite and hematite. 4.Mineral bearing pockets or seams may appear |
