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| COLORADO GEOLOGICAL SURVEY BOULDER R. D. GEOqGE, State Geologi.t BULLETIN 22 MINERAL DEPOSITS OF THE...oozi5137 EAME"S BROS, STATE PRINTERS FOR COLORADO DENVER. COLORADO GEOLOGICAL B O A R D His Excellency...Shoup George Norlin Governor of Colorado President University of Colorado Victor C. Aldersox.. Charles...TRANSMITTAL State Geological Survey, Uxiversity of Colorado, October 28, 1920. Governor Oliver H. Shoup. Chairman...honor to transmit herewith Bulletin 22 of the Colorado Geological Survey. Very respectfully, R. D. George |
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| 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 |
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| \‘ ' , TEIE ORE DEPOSITS ‘ \ or THE i RICO MOUNTAINS, comRAno BY FREDERKH§LESLHQRANSOME ¢ EXTRACT...OFFICE E ‘ THE ORE DEPOSITS OF THE RICO MOUNTAINS COLORADO B \' FREDERICK LESLIE RANSOME 229 98939.............................................. .. Pyrite ................................................. . . . . . . . _ . . . _ . . . . . . . . _ . Montezuma blanket . . . _ . . . . . . . . . . . . . . ..... . . . . . . . . . . . _ . _ . Future of the district . _ . . . . . . . . _ . . . . . . . . . . . . |
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| Intrusive Rocks ana Associated Ore Deposits in the Colorado Mineral Belt U.S. GEOLOGICAL SURVEY BULLETIN... Alaska Rm. 101,4230 University Dr. LAKEWOOD, Colorado Federal Center, Bldg. 810 MENLO PARK, California...Intrusive Rocks and Associated Ore Deposits in the Colorado Mineral Belt By Charles G. Cunningham, Charles...understand the temporal and spatial evolution of the Colorado Mineral Belt UNITED STATES GOVERNMENT PRINTING...intrusive rocks and associated ore deposits in the Colorado Mineral Belt / by Charles G. Cunningham ... [et |
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| URANIUM GUIDEBOOK FOR THE PARADOX BASIN, UTAH AND COLORADO TABLE OF CONTENTS Page THE PARADOX BASIN OVERVIEW...AND MINING AREAS SLICK ROCK DISTRICT GYPSUM VALLEY DISTRICT BULL CANYON DISTRICT URAVAN DISTRICT GATEWAY...GATEWAY DISTRICT (EASTERN GATEWAY AREA) MC ELMO CREEK DRAINAGE AREA LA SAL CREEK AREA PARADOX DISTRICT BEAVER...VALLEY (BIG INDIAN) DISTRICT MOAB DISTRICT GREEN RIVER DISTRICT THOMPSONS DISTRICT INTER-RIVER REGION...REGION DRY VALLEY DISTRICT COTTONWOOD AND BUTLER WASH AREAS MONTEZUMA CANYON DISTRICT SEVEN-MILE CANYON |
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| Smith. Director Professional Paper 138 MINING IN COLORADO A HISTORY OF DISCOVERY, DEVELOPMENT AND PRODUCTJON...location, area, and organization of the mining counties of Colorado _________________________ _ Adams County_-..._____________________ _ Alamosa County __________________________ _ Arapahoe County _________________________...Archuleta County _________________________ _ Baca CountY-----------------------------Boulder CountY------...CountY----------------------~----Chaffee County _____________________·______ _ Clear Creek County _______________________ |
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| . 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 |
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| R. Kampf Natural History Museum of Los Angeles County George Robinson National Museums of Canada Arthur...............171 J. M. Shannon and G. C. Shannon Rico ..................................................SPECIMENS from the collection of the Geology Museum, Colorado School of Mines. See page 242 for a full description... All rights reserved. notes fromthej EDITOR COLORADO-III Here we are with our third special issue devoted...devoted to the mines and minerals of Colorado. As most long-time subscribers know, the first in the series |
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| 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 ...................................... |
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| 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...Lithology in La Plata district _ _______ Permian system____________________________ Rico formation...._____________________...______... Paleontology of the Leadville, Hermosa, and Rico formations, by James Steele Williams-. Collections...from the Rico formation_____ Section along the Animas River _. _ _ _ _ Beds mapped as Rico along Junction |
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| Stratigraphy of Slick Rock District and Vicinity San Miguel and Dolores Counties, Colorado GEOLOGICAL SURVEY... Stratigraphy of Slick Rock District and Vicinity San Miguel and Dolores Counties, Colorado By DANIEL R. SHAWE...INVESTIGATIONS IN THE SLICK ROCK DISTRICT SAN MIGUEL AND DOLORES COUNTIES, COLORADO GEOLOGICAL SURVEY PROFESSIONAL...strata of Paleozoic and Mesozoic age underlying the district forms the background for understanding the origin...Water supply.__-_____-_--_-_-___-____-________ Dolores River______________________________ Springs.__ |
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| 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...See Bauxite and Hallpysite. Asbestos. Tallapoosa County, with corundum deposits near Dudleyville; not found |
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| Oxidized Zinc Deposits of the United States Part 3. Colorado By ALLEN V. HEYL GEOLOGICAL SURVEY BULLETIN...deposits and the resources of oxidized zin.c ores in Colorado UNITED STATES· GOVERNMENT PRINTING OFFICE, WASHINGTON...19180xidized zinc deposits of the United States. Part 3. Colorado. Washington, U.S. Govt. Print. Off., 1964. vi...Bibliography : p. 88-91. 1. Zinc ores-Colorado. 2. Zinc mines and mining-Colorado. I. Title. (Series) For sale...__ ___ __ __ __ __ __ _____ Kokomo (Ten ~ile) district _______ ._________________________ Breckenridge |
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| ___._. Sage Plain_____________________ Abajo Mountains._______________ San Juan Valley_-__--__-_-_-__...formation _________ Permian formations______________ Rico formation.____________ Cutler formation____________...___________ ________ 40 Petrography of the Abajo Mountains, by Malcolm R. 40 Thorpe-_--__--__-_.-_---_---'_-___-__...Igneous rocks Continued. Petrography of the Abajo Mountains Continued. Dacite from Abajo Peak_-.____-__________...rock from Duckett mine_______ Greenstone from Dream mine ________________ Low-grade ore from Dream mine_____________ |
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| GEOLOGICAL SURVEY Locatable Mineral Reports for Colorado, South Dakota, and Wyoming provided to the U.S.............................................. 1 COLORADO ................................................San Isabel and White River National Forests Lake County Land Exchange Offer (Iocmin40) ......................... 47 White River National Forest Dillon District Land Exchange Joint Venture (Iocmin38) ......................... 138 FIGURES OR ATTACHMENTS COLORADO Pike National Forests Shepard and Associates Land |
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| ............................................. Colorado ......................................................................................... Porto Rico .......................................................................... Western United States mining districts ....................... World distribution...(21) (22) *114 *115 Geology of the Globe copper district, Arizona, by F. L. Ransome, 168 pp., 1903. The...The mineral resources of the Mount Wrangell district, Alaska, by W. C. Meudenhall and F. C. Schrader, 71 |
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| ............................................. 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 |
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| Geology and Ore Deposits of the Rico District, Colorado GEOLOGICAL SURVEY PROFESSIONAL PAPER 723...723 Geology and Ore Deposits of the Rico District, Colorado By EDWIN T. McKNIGHT GEOLOGICAL SURVEY ...modern mineral technology~ became a lead, zinc, and pyrite camp UNITED STATES GOVERNMENT PRINTING OFFICE...------------------------------------Location and geography of district -----------History --------------------------...-------------Middle and Upper ( ?) Pennsylvanian Series_ Rico Formation ---------------------Permian System - |
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| 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 |
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| abnormalamountsof selenium. The selenium content of the pyrite, marcasite, and chalcociteis much greater than...of the Colorado Plateau uranium depositsthe maximum amount of Se substituting for S in the pyrite structurewas...associated withthe unoxidized orebodiesfrom the Colorado Plateau and was chosen as the best mineral to...equalto or lessthan 10,000the deposit containing pyrite and/ormarcasite maybe of hydrothermal origin. Applyingthisconcept...centrifuged in bromoformto removethe lighter gangue. For pyrite and marcasitefurther purificationof the concentratewas |
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| of COLORADO ED RAINES Geology Museum Colorado School of Mines 1310 Maple Street Golden, Colorado 80401...noted Figure 1. Camp Bird mine, level 2, Sneffels district, Ouray County. Raines-Pettem collection,...photographer unknown. B etween 1868 and 1922, Colorado produced almost 260 million pounds of copper....from the Leadville district, with another 50 million pounds mined in San Juan County (Henderson 1926).... During the twentieth century, the Gilman district surpassed Leadville in total copper production with |
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| GEOCHEMICAL MAPPING OF TWO PORPHYRY-METAL SYSTEMS IN COLORADO By G. J. Neuerburg, H. N, Barton, J. R. Watterson...and E. P. Welsch U.S. Geological Survey, Denver, Colorado 80225 Open-File Report 78-383 1978 This report...the porphyry-metal systems of the Montezuma district in central Colorado and of a northwestward extension...extension of the Summitville district into Crater Creek in southern Colorado. The paired samples do not covary...porphyry-metal systems: (1) the Montezuma stock in central Colorado and (2) the Crater Creek segment |
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| 14 1. 2. 3. 4. 5. Asbestos ore Lead ore, Balmat mine, N. Y. Chromite-chromium ore, Washington Zinc ore...Peninsula, Mich. 10. Porphyry molybdenum ore, Colorado 11. Zinc ore, Edwards, N. Y. 12. Manganese nodules...Survey in accordance with the provisions of the Mining and Minerals Policy Act of 1970 (Public Law 91-631...discovered or not currently profitable to mine. The mining of mineral deposits, once discovered, depends...__________________________ Marysvale district (Piute and Sevier Counties) Southern Wah Wah Mountains (Beaver and Iron Counties) |
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| Fairfax-Montezuma area, Pierce County, Wash_________.__________________ Roslyn field, Kittitas County, Wash...Gallatin Counties, Mont__________ Electric field, Park County, Mont.__________________________ Great Falls field... Lincoln County, Wyo_________ Gl 1 3 3 5 6 6 7 7 10 Rock Springs field, Sweetwater County, Wyo _________________..._________________ Cambria field, Weston County, Wyo_________________________ Utah__________-.________________________...Sunnyside-Castlegate field, Carbon County, Utah _____________ Mount Pleasant field, Sanpete County, Utah_______________ |
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| National Forest RARE II and wilderness areas in Colorado Compiled By Robert P. Dickerson 1 Open-File Report...standards and stratigraphic nomenclature. Denver, Colorado CONTENTS (See also indices listings, p. 173)...and Uncompahgre National Forests........... Elk Mountains-Collegiate (2-180)..............................Wilderness (NF-180)........................ Elk Mountains-Collegiate (2-180)..............................Wilderness (NF-170).............................. Elk Mountains-Collegiate (2-180)........................... |
