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| of COLORADO ED RAINES Geology Museum Colorado School of Mines 1310 Maple Street Golden, Colorado 80401...Figure 1. Camp Bird mine, level 2, Sneffels district, Ouray County. Raines-Pettem collection, photographer...photographer unknown. B etween 1868 and 1922, Colorado produced almost 260 million pounds of copper. Nearly 100...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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| (above). Pyrite, Alice Glory Hole, Clear Creek County. Cluster of intergrown crystals showing light...(right). Pyrite, Mountain Spring mine, Rico, Dolores County. Cluster of modified cubes; specimen 2 by 2 inches;...C*O*L*O*R*A*D*O PYRITE BARBARA L. MUNTYAN Ouray County Museum Ouray, Colorado 81427 Mineral photographs by John R...at Butte, Montana; Park City, Utah; Washington State; and numerous Colorado localities. Pyrite crystallizes...Pyrite is the most common sulfide mineral found in Colorado; it is found in a wide variety of occurrences |
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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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| Geochemical Maps of Stream Sediments in Central Colorado, from New Mexico to Wyoming Open-File Report... Cover: Overlooking North Fork Lake Creek and Colorado highway 82 east of Independence Pass, with Star... Geochemical Maps of Stream Sediments in Central Colorado, from New Mexico to Wyoming By Robert G. Eppinger...2015, Geochemical maps of stream sediments in central Colorado, from New Mexico to Wyoming: U.S. Geological...................... 1 Geologic Setting of Central Colorado.......................................... |
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| Julius Weber Mamaroneck, New York COLORADO ISSUE #2 Articles Colorado locality index.............................. 323 by B. L. Muntyan What’s new in Colorado minerals? ......................................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...Natural History for conceiving the idea of a second Colorado issue and for helping a great deal in bringing |
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| August 2013 BARBARA L. MUNTYAN P.O. Box 495 Ouray, Colorado 8 I427 hodochrosite, a manganese carbonate with...Rhodochrosite has also been found in many localities in Colorado, particularly in the mines of the San luan Mountains...it i s one of the most recognized and coveted Colorado minerals. partiY DO e the presence of a mix...occurs in significant amounts in many mining districts of the Colorado mineral belt, a large, elongated,...extreme southwestem comer of Colorado. Most of the metal mining in Colorado has been within this belt since |
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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...minerals of the Great American Rift in New Mexico and Colorado. Great American Rift is the name we use for a |
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| Economic Geology of the ·central City District .Gilpin County, Colorado By PAUL K. SIMS, A. A. DRAKE...1918. Economic geology of the Central City district, Gilpin County, Colorado, by Paul K. Sims, A.A. Drake...the Central City district, Gilpin County, Colorado. 1963. (Card 2) 1. Geology, Economic-Colorado-Central...tral City district. 2. Ore-deposits-Colorado-Central City district. 3. Mines and mineral re. sources-Colorado-Central...sources-Colorado-Central City district. I. Drake, Avery Ala, 1927joint author. II. Tooker, Edwin Wilson, 1923- |
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| [University of Nebraska, Lincoln] at 13:31 09 June 2016 Colorado boasts numerous localities where fine sphalerite...Elmwood, Tennessee; the mines of the Tri-State district of Missouri-OklaDownloaded by [University of Nebraska...of sphalerite also occur at many localities in Colorado, in shades of amber, emerald- or lime-green,...Muntyan, former director of the Ouray County Museum in Ouray, Colorado, is a frequent contributor to Rocks...in her series on Colorado minerals appeared in the July/August I994 issue (“Colorado Pyrite”), September/October |
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| PRELIMINARY REPORT ON THE ECONOMIC GEOLOGY OF GILPIN COUNTY, COLORADO. By EDSON S. BASTIN and JAMES M. HiLL...following brief account of the economic geology of Gilpin County and adjacent portions of Clear Creek and Boulder...for information concerning this important mining district. The area considered lies 30 to 35 miles west...Kocky Mountains. It is the oldest lode-mining region in Colorado, and its discovery in 1859 was the occasion...The area includes the productive portions of Gilpin County and small adjacent parts of Boulder and Clear |
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| Geology of Uranium Deposits in the Front Range, Colorado By P. K. SIMS and D. M. SHERIDAN With sections...mines_______________________________________ Boulder CountY----------------------------------~-----------Jamestown...Description of principal mines-Continued Boulder County-Continued Other areas __________________________...Moore______________________________ Clear Creek CountY------------------------------------------Idaho..._____ 71 72 Gilpin CountY-----------------------------------------------Central City District_____ |
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| DEFINITION OF SOUTH A MINERAL CENTRAL BELT COLORADO. IN • JOHN W. GABELMAN. CONTENTS. PAGE................... Geologichistory of south central Colorado ................................ 180 182...................................... South central Colorado mineral belt ...............................morethan$100,000production.............. 193 194 194 Bonanza ........................................................................... 196 196 Areas of district definitionwith lessthan $100,000production... |
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| HISTORY OF FOUR Native Silver Localities 7 in Colorado Downloaded by [University of California, San Diego]...72 Golden, Colorado 80403 All photos by author unless otherwise noted SINCE 1859 COLORADO HAS PRODUCED...rather than the native metal. Native silver in Colorado has been deposited both as a primary mineral,...Bald Mountain, Caribou area, Grand Island district, Boulder County. Specimen owner anonymous. Downloaded...three portions (Front Range, central, and San Juan Mountains) of Colorado mineral belt. Some representations |
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| Associated Ore Deposits Central Part of the Front Range Mineral Belt Colorado By P. K. SIMS and others... PREFACE This report is bused on fieldwork in the central part of the Front Range mineral belt between 1951...______________________________ _ History of uranium mining and production ____________ _ Geologic setting...__________ - ___ - ________ -----------Central City district _____________________ ------Quartz Hill-upper... _ West Flack mine __________________ _ ~ercer County mine ______________ -German and Belcher mines ______________ |
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| RECONNAISSANCE OP THE ORE DEPOSITS IN NORTHERN YUMA COUNTY, ARIZONA ROWLAND BANCROFT WASHINGTON GOVERNMENT...........-.-.----.----..-.-.........-:...- 14 Mining and metallurgy ...................................................... Conditions and cost of mining......................................... 15 15 Methods...................................... 37 Quartz-siderite stringers in amphibolite, shale, and limestone...Consolidated Mining Company's properties................... 59 Deposits along Colorado River........ |
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| description of the geology, mining history, and production of the major gold-mining districts in 21 States...relations ---------------------------History of gold mining and trends in production_ J\labama -----------...--------------Cleburne County ----------~----------------- Tallapoosa County --------------------------Alaska...------------------Cochise County -----------------------------Gila County --------------------------------Greenlee...ee County ----------------------------R[aricopa County ----------------------------R[ohave County -- |
 | Collins, Donley S., Cobban, Robert R., Foord, Eugene E., Murphy, Jack A. (1989) Bibliography for update and revision of U.S.G.S. Bulletin 1114, Minerals of Colorado -- a 100 year record, by Edwin B. Eckel, Part A - Paper copy --Bibliography data file disks. Open-File Report Vol. 1989 (89-206) US Geological Survey doi:10.3133/ofr89206a | Report (issue) |
| Survey Denver, Colorado Department of Geology, Denver Museum of Natural History Denver, Colorado NOTE FOR...revision of U.S.G.S. Bulletin 1114, Minerals of Colorado A 100 year record, by Edwin B. Eckel By Donley...Prepared in cooperation with Friends of Mineralogy - Colorado Chaptar, and the Denver Museum of Natural History...references dealing with the mineralogy of the state of Colorado. It is part of a more than 10 year effort to update...and revise U.S.G.S. Bulletin 1114, Minerals of Colorado: A 100 year record, by Edwin B. Eckel (1961). |
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| MUNTYAN 536 Third Avenue P.O. Box 495 Ouray, Colorado 81427 All photographs by John R. Muntyan of specimens...Hardin County, Illinois, among other localities. Barite also occurs in many localities in Colorado, where...wellcrystallized crystal groups. Colors reported for Colorado barite range from sky-blue to snowwhite to golden...considerable variety for a single mineral species. In Colorado, barite is found in a variety of environments...significant amounts in many of the mining districts of the Colorado mineral belt as a gangue mineral, |
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| Although Colorado may be most noted for rhodochrosite or amazonite, the many varieties and associations...a k e w o o d , Colorado 80225 DIANNE L. K I L E 333 S a l e m Street Aurora, Colorado 80011 C O L O...and J. A. Mur phy for an update to Minerals of Colorado: A 100-Year Record (Eckel, 1961). 374 ROCKS... Quartz was a familiar gemstone to many early Colorado residents, as documented by an extensive body...body of literature. The first published list of Colorado mineral localities (in cluding quartz) was included |
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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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| 1878 (75) in his reportson the Michigancopper district. This alterationwas regardedby Pumpellyas a resultof...contraryexampleis describedby Burbank from Bonanza, Colorado where a natural barrier to movement of the...walls of some of the ore bodies in the Bisbee district werebleached as a resultof variablechangesin...sericitizedgraniteat Rimini, Montana. In the Metaline district of Washington(70) zinc occursmost abundantly neargray...kinds of silicifiedrocks in the Bonanza Mining district of Colorado. These are white or grayish quartz-chalcedony; |
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| . . . . . . . . . . . . . . . . . 1 Chapter I. Mining Districts of Counties and the State of Utah. .... . . . . . . . . . . . . . . . . . . . . . . 1 County Listings. . . . . . . . . . . . . . . . . . . ... . . . . . . . . . . . . . . . . 1 Chapter II. Mining Districts of Utah . . . . . . . . . . . . . . .... . . . . . . . 4 Mineral Localities Listed by County . . . . . . . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . . . . . . . . 7 Beaver County . . . . . . . . . . . . . . . . . . . . . . . |
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| ...........................................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 .................................... |
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| Richard W. Thomssen Mineral Expl. Consultants Carson City, NV ( * O Vice President Mary Lynn Michela Secretary-...R. Kampf Natural History Museum of Los Angeles County George Robinson National Museums of Canada Arthur...W. Thomssen L Book sales P.O. Box 1656 Carson City, NV 89702 702-883-2598 Special second class postage...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 |
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| Home rhodochrosite specimen mine, Alma District, Central Colorado: the porphyry molybdenum–fluorine connection...te–fluorite in the Sweet Home Mine, Alma District, Colorado were originally mined for silver starting...Geological Engineering, Colorado School of Mines, 1516 Illinois Street, Golden, CO 80401, USA e-mail: pbartos@mines...edu D. Misantoni Colorado Calumet Company Inc., P.O. Box 1169, Golden, CO 80402, USA molybdenite; and...located within the Alma mining district in the Mosquito Range of Central Colorado approximately 6 km northwest |
