 | | Report (volume) | | Geology of the Idaho Springs District Clear Creek and Gilpin Counties, Colorado GEOLOGICAL (=) I o 00...of the Idaho Springs District Clear Creek and -i ;i ?i Gilpin Counties, Colorado By ROBERT H. MOENCH and...____ Mines and prospects in the Idaho Springs district ________________ Previous studies.___________..._________ __________________________________ Sphalerite. _________.__ -_______---_-_-____________'___-_--Galena...pocket] PLATE 1. Map of the Idaho Springs district, Colorado, showing location of mines and distribution |  | | Report (issue) | | Prospects, Idaho Springs District Clear Creek and Gilpin Counties, Colorado Descriptions and Kapa By...Commission Introduction The Idoiho Springs mining district forms an important segment of tae Front Range...west, and southwest. The adjacent Central City district, which produced ores valued at more than $100...clearly the most important district in the mineral belt The Idaho Springs district from 1860 to 1959 produced... and zinc add value to the ores in most areas. Mining activity in the Idaho Springs and adjacent districts |  | | Report (issue) | | GEORGETOWN QlJADRANGLE (TOGETHER 'VITH THE EMPIRE DISTRICT) COLORADo· BY JOSIAH E. SPURR AND GEORGE H. GARREY..................._.......... . Distribution in Colorado ................................................Boulder County.............. . . . . . . . . . . . ......... . ....... . 103 Ores in Gilpin County ............................... . 103 Orcs in Clear Creek County ............................ . 103 Ores from...Argentine to the Tenmile district .. : ............... . 104 Ores of the Tenmile 'district ................. |  | | Report (issue) | | and Ore Deposits of the Chicago Creek Area Clear Creek County Colorado GEOLOGICAL SURVEY PROFESSIONAL...and Ore Deposits of the Chicago Creek Area Clear Creek County Colorado By J. E. HARRISON and J. D. WELLS...and ore deposits of the Chicago Creek area, Clear Creek County, Colorado, by J. E. Harrison and J. D. Wells...Geology Colorado Clear Creek Co. 2. Ore deposits Colorado Clear Creek Co. 3. Petrology Colorado Clear Creek..._---_-__-_--__________-____________--. History of the district-______________________________ General geology |  | | Report (issue) | | 31 University of Nevada Press, Reno, Nevada 89557 USA Copyright © 2004 by University of Nevada Press Photographs...copyright © 2004 unless otherwise noted Map of Mining Districts and significant mineral occurrences of...6-cm cluster, Majuba Hill Mine, Antelope district, Pershing County. N. Prenn collection. Photograph by J...production of environmental protection equipment. Mining and the discovery, identification, and development...to Nevada in 1929 and was actively involved in mining in the state and the western U.S. for the rest | | | Report (issue) | | 3i University of Nevada Press, Reno, Nevada 89557 USA Copyright© 2004 by Uni versity of Nevada Press Photographs...6-cm cluster, Majuba Hill Mine, Antelope district, Pershing County. N. Prenn coJlection. Photograph by J...percent of the state. Nevada's public lands offer mining, livestock grazing, wild horse viewing, .scenic...Road and Geologic Tours in th<' Las Vegas Area. Mining and the discovery, identification, and development...Vavis The Goodsprings (Yellow Pine) Mining District, Clark County John C. Kepper MINERAL CATALOG 91 |  | | Report (issue) | | Geology and Ore Deposits of the Boulder County Tungsten District Colorado GEOLOGICAL SURVEY PROFESSIONAL ... Geology and Ore Deposits of the Boulder County Tungsten District Colorado By T. S. LOVERING and OGDEN TWETO...State of Colorado through the Colorado Geological Survey Board and the Colorado Metal Mining Fund UNITED...__________________________ Principal rocks of the district.________________________ Pre-Cambrian rocks__...Age_ __________________________________ Boulder Creek granite and related rocks. ____ Distribution and |  | | Report (issue) | | GEOLOGY AND ORE DEPOSITS OF TILE LEADVILLE MINING DISTRICT, COLORADO BY S. F. EMMONS, J. D. IRVING, AND G...anticline _ Origin of the Iron-Mikado fault 61 Colorado Prince anticline _ group _ 95 61 Mosquito Gulch...fold-fault _ Faults in the eastern part of the district 95 62 Kokomo syncline_ Faults southeast_ of _..._ Leadville 62 the_ Fryer Hill folds _ 62 district _ 95 Warping and drag along normal faults, _ _ _ 96...faults _ 74 Carbonate Hill_ Area bounded by Weston, Colorado Prince, 105 Wolf tone mine _ 74 Silent Friend |  | | Report (volume) | | Hydraulic TurbinpM MILWAUKEE, Metallurgical Machinery Mining Machinery Perforated Oil l-:imini-- Metals I'liiiiliini:...are getting the most in service from Worthington mining equipment — :the most from the standpoint of first...power consumption. Worthington meets needs of the mining industries with a complete line of products, from...Mills PUMPS, COMPRESSORS, OIL AND GAS ENGINES, MINING AND SMELTING MACHINERY CTON m "The Paramount...books cover practically all dead as well as live mining shares. Made in the following sizes: \QUAUTY |  | | Book | | at aks SUMMIT AGold Rush History of Summit County, Coldrado By Mary Ellen Gilliland Copyright 1980...Press Box 499 Silverthome, Colorado 80498 iv For the people of Summit County, past and present, and...Nineteen Summit Map Bibliography Index This Is Summit County Before the Rush Began: The Rocks That Made the...Silver Town Mining: The Pick, Pan and Blasting Powder Route to Riches Breckenridge Mining: Gulches of...of Gold Ten Mile Mining: Storied Silver Canyon Montezuma Mining: Treasure Atop the Rockies Summit Ghost |  | | Book | | Used by permission of Dutton Signet, Penguin Books USA Inc. Lines from “Mrs. Sibley” and “Serepta Mason”...Realm of Fossil Forests The Mazon Creek Area and the Longwall District 18 Across a Lazy River Henry and...Country and Pennsylvanian Cyclothems Forest Glen County Preserve and Environs 28 On the Edge of Two Ages...Ozark-Mahoning Company, reviewed my essay on Hardin County. When I met with him, he gave a wealth of information...information, not only on his company’s fluorspar mining, but also on other aspects of the complex geology | | | Book | | Used by permission of Dutton Signet, Penguin Books USA Inc. Lines from “Mrs. Sibley” and “Serepta Mason”...Park and Environs 127 The Mazon Creek Area and the Longwall District Across a Lazy River Henry and Environs...Country and Pennsylvanian Cyclothems Forest Glen County Preserve and Environs On the Edge of Two Ages Shelbyville...Ozark-Mahoning Company, reviewed my essay on Hardin County. When I met with him, he gave a wealth of information...information, not only on his company’s fluorspar mining, but also on other aspects of the complex geology |  | | Report (volume) | | ; Garland Peyton, director, division of mines, mining, and geology, department of natural rnsources,...declined (from 64.56 to 60.28). Bituminous-coal mining suffered the largest increase in its fotulity rate...Govnr.mn ('.nt C(lncern eel with d ofcnst~. 'l'ho Mining u.n...strategic 1ni1rnrnlH from Ln.tiu A..merica four mining engineers of the Bureau o_f l\,1itH>H hu.ve bee...California ... -···- .. - . -.... -·· -- .. - .. . Colorado .... -·--- ....... -·-·--- .. -··· Connecticut |  | | Journal (volume) | | YORPQ. : - . - ". • : THE ENGINEERING AND MINING JOURNAL. VOLUME LXIII. JANUARY TO JULY, 1897...Emile R. ... ................ ... 456 Alabama Coal-Mining Law...... *-*. --- - - -- - - * * * * • * -...Mine, Colo..... 639 Alice Mine, Wash. Ader Bell Mining and Tunnel Co. Alice, Mollie & Ida G Colo......... 75 Amalgamator, Penny & Richardson’s Ancient Mining, Rhodesia..... ..... 628 Pat.....................406 •- - - Anderson. O. P., # of Washing , ton Mining Districts. . . .279, 375, 423, 447 Anderson's Pat |  | | Journal (volume) | | of Alfred Brile, superintendent of the Kentucky Mining and Smelting Company, we have the following report...and the Hartsfeld Portable Smelting Furnace and Mining Co., Newport, Ky. The latter-named company will...We note in the North San Juan Times, of Nevada county, that a hydraulic gravel elevator is soon to be...well-known North Bloomfield Gravel Mining Company, at North Bloomfield, Nevada county, this State. We have interviewed...experienced hydraulic mining engineers furnished him of the actual work done by these mining devices at Mammoth |  | | Journal (volume) | | ready made out the State. At Forest City, Sierra county, to be thankful for a good deal. The telegraph...eters A — To drift mining, a method by which hydrau- ready achieved mining operations are sometimes...supplemented, the remarks in an article on hydraulic mining last week may be largely applied; this branch olfcthe...considered equivalent to the same. The basin of Slate creek, lying a few miles farther to the northwest, is...drift method, only worked part most mining extant. While drift mining is, to some claims there are for the |  | | Journal (volume) | | AD] A X M IN I N G JOUB N A L I THE CANADIAN MINING JOURNAL 1922 Index To Published Weekly by the...Gardenvale, Quebec. Co., I til. THE CANADIAN MINING JOURNAL III Author Index W Agar. M. "Argus"...116 Wolf. Alb O »(.< T IV 1 1 CANADIAN MINING JOURNAL E Index Accident" In 44 301 481 869... — 1 742 617 12 445 486 603 618 — Alberta. Mining in Verse Alibi Am- rican American American American...800 572 426 — Bentonite— Ed Blue Sky Laws and Mining Ed Blue Sky Laws by H. E. T. Haultain Blue Quartz |  | | Book (volume) | | Formerly Director of Wood-carving, Gloucester County Council. Woodcarving. F. C. C. Frederick Cornwallis...biographical article: Powell, Frederick York. G. Lord Grimthorpe. { Watch See the biographical article:...Romantic Professions; &c. High Bailiff, Cardiff County Court. Author of | Watson, William (poet). INITIALS...Knox. By his will Dick vested the college in the lord provost and town council of Edinburgh as trustees...Alabama; Manhattan, Kansas; and Fort Collins, Colorado. Other veterinary colleges are in San Francisco; |  | | Book (volume) | | Littleton, Colora- provided by Joanna Hill Design, Colorado. I thank once more my wife panying me together... of Altadena and John G Streeter of San Diego County in ac- the collection to books gemolo- the...centimeter co of journal; et classification Colorado col color, colored, coll college, column...commission, cond communication al explan f, county company, CO doth -mg leaf, contrib contribution...foreword feet DBI Dizionario dbl double FY DC District of Columbia G, DE Delaware GA Georgia dec |  | | Book (edition) | | Avenue of the Americas, New York, NY 10013-2473, USA Cambridge University Press is part of the University...Copper 15.4 Diamond 15.5 Sulfur 15.6 Galena 15.7 Sphalerite 15.8 Bornite 15.9 Chalcocite 15.10 Marcasite...plastic material that slowly convects. What is not clear is whether convection currents pass all the way...(perfect meaning “no defects” of any sort 58 in clear quartz; i.e., no cracks, no bubbles, no inclusions...shown that chrysotile is rather harmless, and it is clear that banning this material from many products has |  | | Book (edition) | | core understanding, whilst close intergration of clear illustrations with engaging text create a highly...One Liberty Plaza, 20th Floor, New York, NY 10006, USA 477 Williamstown Road, Port Melbourne, VIC 3207,...Copper 16.4 Diamond 16.5 Sulfur 16.6 Galena 16.7 Sphalerite 16.8 Bornite 16.9 Chalcocite 16.10 Marcasite...plastic material that slowly convects. What is not clear is whether convection currents pass all the way...crystals (perfect meaning “no defects” of any sort in clear quartz; i.e., no cracks, no bubbles, no inclusions |  | | Book (edition) | | Processes 551 Ores Formed by Surface Processes 553 Mining 555 Nonmetallic Resources 557 Construction Materials...Washington; the devastating 2013 flash floods in Colorado; the catastrophic collapse of sinkholes that have...contains new photos and a discussion of the 2013 Colorado flash floods; a new section on reducing flood...photos of the latest controlled floods on the Colorado River. The summary has been expanded to include...Mayfield, Diablo Valley College Ernie Morrison, Cowley County College Ravindra Nandigam, South Texas College |
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