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| ORE MINERALS OF THE LA PLATA COLORADO, COMPARED WITH TELLURIDE F. W. MOUNTAINS, OTHER DISTRICTS3...about one hundredpolishedsections of ores from the La Plata 1%iountains in southwestern Col- orado has revealedthat...sulphidesand associatedtelluridesexist throughoutthe district. Becauseof the comparativescarcityof detailedinformation...Ontario, and twelve sections from Cripple Creek, Colorado,were also examined. Although the number of sectionsfrom...essentially identical with those exhibited by the La Plata ores. INTRODUCTION. T•E presentinvestigation |
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| 2015 CALAVERITE Cripple Creek, Colorado W ith the exception of native gold and electrum, the gold telluride...telluride calaverite may well be the most important gold ore mineral. Its weathering characteristics make...Cripple Creek district, essentially subsequent to the development of all other Colorado gold districts.... Unlike most gold deposits, weathering of those characterized by relatively abundant telluride minerals...fine-grained and dull, mustard-colored secondary gold that is disbursed as tiny particles as the individual |
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| Discovery, Mining History, Geology, and Specimen Mineralogy of Selected Occurrences in Central Colorado and...Inc. 1441 W. Forty-sixth Avenue Suite 14 Denver, Colorado 80211-2338 P art one of this article (July/August...discovery of gold in Colorado and the mining history and geology/mineralogy of the Front Range mining districts...the gold deposits found throughout the rest of the state. As previously mentioned, each new gold discovery...Buckskin Gulch, Alma, and California Gulch. THE CENTRAL COLORADO MINERAL BELT LAKE COUNTY 3,396,000 ounces, |
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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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| 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...along the Animas River. _ _ _ Lithology in La Plata district _ _______ Permian system____________________________...along the Animas River._____ Localities in the La Plata quadrangle __ Collections from the Rico formation_____...its tributaries..__________ Localities in the La Plata quadrangle __ Interpretation of the Rico collections |
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| FREEWAY 14051 p a c if ic COAST HIGHWAY Gold-Nevado Co. California Hours: Tues-Sar. 10-5 Sunday 12-5 [evenings...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 |
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| R. Kampf Natural History Museum of Los Angeles County George Robinson National Museums of Canada Arthur...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...about $200 on the out-of-print market. The second Colorado issue was vol. 10, number 6 (1979), and we still |
 | 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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| ..........................................49 California ..........................................................................................59 Colorado ...............................................................548 Table of Maps Page Alabama County Map ...................................................................................4 Alaska County and Stream Map ..................................Co. Mining Districts ............................................................22 Arizona County Map |
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| Cooper Nottingham, England Anthony R. Kampf L.A. County Mus. of Nat. Hist. Los Angeles, CA Joseph A. Mandarino...mineral localities: The Cripple Creek Mining District, Colorado . . . . . . . . . . . . . . . . . . ....[Ba(UO2)2V2O8⭈5H2O] from the type locality, the Mounana mine, Franceville, Haute Ogooué, Gabon. See the article...“This is the XYZ mine, and these are pretty pictures of the minerals from that mine.” Lou, however, took...chemistry, crystal system, identifying features, and mine of origin—all without notes. From his huge library |
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| ....... California................................................................ 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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| ..........................................39 California ..........................................................................................47 Colorado ................................................rights, so remember you were told. If in doubt, a county map will tell you who the legal owner is. Good...Prior to the California gold rush of 1849, this portion of Alabama experienced its own gold rush, largely...largely unprofitable, although gold may still be panned in the regional streams. Most of the rest of the |
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| ..........................................39 California ..........................................................................................47 Colorado ................................................rights, so remember you were told. If in doubt, a county map will tell you who the legal owner is. Good...Prior to the California gold rush of 1849, this portion of Alabama experienced its own gold rush, largely...largely unprofitable, although gold may still be panned in the regional streams. Most of the rest of the |
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| DIRECTOR GEO LOGY AND GOLD DEPOSITS OF THE CRIPPLE CREEK DISTRICT, COLORADO BY \V ALDEl\;IAR LINDGREN... . . . . . . . First geological survey of the district .............................. _• . . . . . ..................... Geological structure of the district ............... _................... __ .. _...._____________ ........ . 100 Petrology of the district ______________ . _______________________________________________...___ _ 113 Chapter IV. -General mineralogy of the district . _______________ .... ____ .. ______________ |
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| SUNNYSIDE MINE EUREKA MINING DISTRICT SAN JUAN COUNTY, COLORADO TOM ROSEMEYER Box 586 Ouray, Colorado 81427...81427 The Sunnyside mine is Colorado's largest underground gold producer and to date has produced over $150...$150 million in gold, silver, lead, copper, and zinc. T H E S U N N Y S I D E M I N E , 7 air miles...the rugged San Juan Mountains of southwestern Colorado. Nestled in a beautiful alpine mountain valley...valley at an elevation of 12,240 feet, the mine was originally located on the shores of the now-drained Lake |
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| Geology Vol. 72, 1977, pp. 1285-1320 Sunnyside Mine,EurekaMiningDistrict,SanJuanCounty, Colorado'Geochemistry...in the Eureka mining district, San Juan County, Colorado, produces700 tons/day of gold-silver-copper-lead-zinc-cadmium...halcopyrite-bornite-hema- rite ores(40%); (IV) gold-telluride-quartz ores (1-2%); (V) manganese ores...geologicaland •09 o MONTROSE iO =1 'IsUN NYs IDE MINE __ <[I •-•:1 Ii iI •I -- •' • •U•AN•O COLa...southwesternColorado showing location of the Sunnyside mine and calderas of the San Juan volcanicfield. (Modified |
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| 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...For the past 250 years, men have sought to extract gold and silver from these mountains. However, it was...the extent of their mineral wealth. In addition to gold and silver, the region produced economic quantities |
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| 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 |
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| 0Ofoss Colorado LITHO BY WALSWORTH PUB. CO., INC., MARCELINE, MO. Colorado GOLD AND FARMS...Denver, of all other McMahon, unpublished Mining District, in reproduction. map Colo. places Albuquerque...Albuquerque, NM of Leadville a map of Territorial Colorado c. 1876, and a woodcut engraving Bird’s Eye View...Publication Data Fossett, Frank. CoLorade, ite gold and silver mines, farms renees, and health and pleasure...scock G. York, Includes indexes. 1. Colorado. 2. Colorado. is Waele. Mines and mineral resources-- |
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| GEOLOGICAL RESURVEY OF THE CRIPPLE CREEK DISTRICT, COLORADO BY WALDEMAR LINDGREN AND FREDERICK LESLIE..... ...:......................_...._....... 8 Mining and metallurgy ....................................^...... 11 First geological survey of the district ................................... Modifications............................. 32 Future of the district.................................................report on a "Resurvey of the Cripple Creek district of Colorado," by Messrs. Waldemar Lindgren and F. L |
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| org/details/coloradoitsgolds1880foss 77 Colorado Gold and Silver Mines, FARMS AND STOCK RANGES, ...r^HIS volume, as its name implies, is devoted to Colorado. Its con¬ tents are descriptive, statistical...interests. devoted to the mines. Part fourth is As mining is Colorado’s main industry and source of wealth...research could make them. The narrative of gold and silver mining possesses enough of romance and adventure...general reader, and the descriptions of mines, and of mining and milling, together with statements of requisite |
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| COLORADO MININC DIRECTORY. . 1 THE te COLORADO Directory of Mines, DESCRIPTION OF THE MINES AND...AND MILLS, AND THE MINING AND MILLING CORPORATIONS OF COLORADO, ARRANGED ALPHABETICALLY BY COUNTUS. j^ISTORY... WHOSE NERVE, ENERGY AND INDUSTRY HAVE PLACED COLORADO IN THE FRONT RANK OF BULLION PRODUCING STATES...WEALTH AND PROSPERITY, UNEQUALED IN THE HISTORY OF MINING COMMUNITIES, THIS WORK IS RESPECTFULLY DEDICATED...FARM FOB EVERYBODY Railway. COLORADO. Healthy, Attractive. Colorado is the great Sanitarium and Pl |
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| Cities of Gold History of the Victor Cripple Creek Mining District by Brian Levine 7 j i : { i...iat ne CITIES OF GOLD History and Tales of the Cripple Creek-Victor Mining District By Brian H. Levine...Typesetting and layout by Prepress Advertising Denver, Colorado Special regards and gratitude... O.J. Seiden...Chicago-Victor Gold Mining Company) Alice Ashley (Proprietor of Ye Olde Bottle Shop, Victor, Colorado) Ed Hunter...Hunter (Head Mining Engineer for Texasgulf in the Cripple CreekVictor Mining District) Jim Keener (Editor |
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| Principal Gold-Producing Districts of the United States By A. H. KOSCHMANN and M. H. BERGENDAHL GEOLOGICAL...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 |
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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 |
