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| GEOLOGY AND ORE DEPOSITS OF THE BRECKENRIDGE MINING DISTRICT, COLORADO BY T. S. LOVERING UNITED STATES...-----Location and topography _______________ History of mining..__-._..-_-..----..__ General geology___...__-_--_--_..._ Criteria of enrichment in the Breckenriclge district......__._.._-._-..._.__.___-_._ Enrichment of...ILLUSTRATIONS Page PLATE 1. Map of part of the Breckenridge district, Colorado, showing some of the principal mine...In pocket 2. Geologic map of part of the Breckenridge district._____-__--__--_---_____________--_--------_____-__ |
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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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| - - - - - - - - - - - Mineral Collections 1n Colorado A Supplement to The Mineralogical Record November-December..."Smithsonian packet," Smoky Hawk claim, Florissant, Colorado. Collected in 2008; Dorris Family collection;...certificates for mines in the Cripple Creek District, Colorado, in 1898 and 1901. Sponsorship: This special...Collecting in Colorado The Collections: Mel & Pam Bersch Ryan Bowling Ralph Clark Colorado School of Mines...Kile Brian Kosnar Bryan & Kathryn Lees Ian Merkel Mining Hall of Farne, Steve Whittington curator Nick North |
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| Geology and Ore Deposits of the Front Range Colorado By T. S. LO\'ERING and E. N. GODDARD GEOLOGICAL...cooperation with the Colorado State Geological Survey Board and the Colorado Metal Mining Fund ~ oopr is...__________________________________________ _ 1 Summary of mining districts---.---------------------Introduction..._____________________ _ Copper deposits in Jefferson County __ _ F. M.D. property _____________ _ Malachite...Cherry Creek and Douglas County placers _________________________ _ Mining districts in the mineral belt |
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| GEOLOGY OF THE McCOY AREA, EAGLE AND ROUTT COUNTIES, COLORADO BY HENEY F. CONNER CONTENTS Page Early extrusive...Red siltstones overlying the McCoy forCentral Colorado Basin. The Precambrian crystal- mation conformably...1215 ABSTRACT 1216 H. F. DONNER—McCOY AREA, COLORADO The sedimentary formations were deformed during...was formed some 500 feet below and into this the Colorado River has cut another 500 feet. and faulted and...northwest quarter of Colorado, about 95 miles west of Denver (Figure 1). The Colorado River crosses the |
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| GEOLOGIC MAP OF HAROLD D. ROBERTS TUNNEL AREA, COLORADO Adapted and modified from T. S. Lovering and E...volume 73 ERNEST E. WAHLSTROM University of Colorado, Boulder, Colo. V. Q. HORNBACK Board of Water...2015 Geology of the Harold D. Roberts Tunnel, Colorado: West Portal to Station 468+49 Abstract: The Harold...Grant, Colorado. The tunnel passes beneath the Continental Divide at the crest of the Colorado Front Range...showing location of the Harold D. Roberts Tunnel, Colorado 2. Columnar section, Station 9 + 46 to Station |
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| _________________ ___. Nevada ___________ Elko County. - ______ ... _ Star mine, Harrison Pass _____... Tuscarora Range _____ _ ._. ________ Humboldt County Golconda manganese-tungsten depositNorth workings...Lincoln County__-__-----_-----_-----___ Tern Piute district....... __ ___ ... Mineral County____-_______________...naine________________ Mine near Green Talc mine. _____ Nye County ____ _._-___-________-___ Gabbs area __ _____________________..._____ Brucite and magnesite deposits. __ Pershing County __ Rocks in the West Humboldt Range ..~ Limerick |
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| Meetings. Washington, D. C. American Institute of Mining and Metallurgical Engineers: Contributions, nos...Section of Bulletin, 1933, 1934. New York. See also Mining and Metallurgy. American Journal of Science, 5th...Canadian Institute of Mining and Metallurgy: Transactions, vols. 35, 36; Canadian Mining and Metallurgical...special no. 11 (nos. 1-6). Ottawa, Ontario. Canadian Mining Journal, vols. 54, 55. Gardenvale, Quebec. Carnegie...Pa. Colorado Museum of Natural History: Proceedings, vol. 13 (nos. 1-3). Denver, Colo. Colorado Scientific |
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| Olaf P. C. A. Logan, District Mining Engineer C. McK. Laizure, District W. Burling Tucker, Reid...Chief Geologist Mining Engineer District Mining Engineer Sampson, Assistant District Engineer Chas...Chas. V. Averill, District Mining Engineer Frank Sanborn, Mineral Technologist Henry H. Symons, Statistician....... .... - - ... Herbert A. Franke, Junior Mining Engineer (Librarian) - Los Angeles Los Angeles...San Francisco TABLE OF CONTENTS Page DISTRICT REPORTS OP MINING ENGINEERS Redding Field Division Sacramento |
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| limestone or dolomite. It is a useful ore guide in many mining districts UNITED STATES GOVERNMENT PRINTING OFFICE........... Characteristics of jasperoid in major mining districts of the United States ..................................................... Tri-State district, Oklahoma, Kansas, and Missouri ................Clifton-Morenci district, Arizona .............................. Bisbee (Warren) district, Arizona .......Ely (Robinson) district, Nevada .............................. Leadville district, Colorado ........... |
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| AND ORE DEPOSITS OF THE BAYHORSE REGION CUSTER COUNTY, IDAHO BY CLYDE P. ROSS Prepared in cooperation..._______________________________ The mines_________ Bayhorse district..______.__________--__--__-__-_--_-_.._ Good Hope...geology Continued. The mines Continued. Bayhorse district Continued. Turtle mine. __ . __ .. __ --...-._-_-...-__-_-._.__--___-___-_-_-___--. Boulder Creek district--..-.---.-. -____---___.._______.___Badger claim...mine--_-__-___--_-___--.-____. ...... East Fork district. _ . ___-..-.......__ _ ...-_ _ .. Aztec mine |
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| Advancement of Science A. I. M. E__ American Institute of Mining and Metallurgical Engineers Aardrijksk__ Aardrijkskundig...cientifica Circular Classe classification Company, County Collections Committee Communications Comparative...Devonian development diagram Direcci6n Dissertation district distribution division Doctoral, Document Doctoral...Meteorological, etc. microscopic, etc. Mimeographed Mineral, Mining mineral resources Mineralogic, etc. Meddel_ _...Meetings. Washington, D. C. American Institute of Mining and Metallurgical Engineers: Contributions 1-112 |
