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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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| PALEOZOIC STRATIGRAPHY OF T H E SAWATCH RANGE, COLORADO BY J . HARLAN JOHNSON CONTENTS Abstract........4. 5. 6. 7. 8. 9. 10. 11. Page Index map of Colorado.................................................Mississippian and Devonian formations in vicinity of Aspen district.. Composite sections of Paleozoic formations across...sections of Paleozoic formations from Gilman to Ashcroft..................................... Ordovician...Composite sections of Paleozoic formations from Ashcroft to Fossil Ridge........................... 303 |
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| March/April: Millerite on dolomite, Leadwood, St. Francois County, Missouri. Glenn Williams specimen, Terry Huizing...May/June: Elbaite on quartz, Himalaya mine, Mesa Grande, San Diego County, California. Wayne Sorensen specimen...July/August: Barite, Black Cloud mine, Leadville, Lake County, Colorado. Dave Bunk specimen, Jeff Scovil...Rainer Bode photo. NovembedDecember: Hematite, Montreal mine, Iron County, Wisconsin. F. John Barlow specimen...Twenty-fourth Rochester Mineralogical Symposium Adamite, Colorado, 357 Adularia, Chamonix, France, 36 Air Tool Preparation |
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| the Aspen 15-minute Quadrangle, Pitkin and Gunnison Counties, Colorado By BRUCE BRYANT GEOLOGICAL SURVEY...A study of an area at the intersection of the Colorado mineral belt with the west flank of the Sawatch...the Aspen 15-Minute quadrangle, Pitkin and Gunnison Counties, Colorado (Geological Survey Professional...Bibliography: p. 123 1. Geology Colorado Aspen region. 2. Mines and mineral resources Colorado Aspen region. I. Title...stratigraphic relations of Cambrian rocks in west-central Colorado in a northwest-southwest section through Aspen |
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| YEAR 1687"âDAVID T. DAY, CHIEF OF THE DIVISION OF MINING STATISTICS AND TECHNOLOGY WASHINGTON GOVERNMENT...and consump tion, or better and cheaper means of mining, extraction, and convey ance to market, may in...correspondence has been carried on with geologists, mining engineers, and other local authorities, and various...mmed at Broken Arrow aud Trout creek, in Sc. Clair county. The strata in this field are more faulted und...prong of Canoe creek, in St. Clair county, to Ha\sop creek, in Bibb county, a distance of 60 miles. Down to |
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| The Clinton or red ores were examined in the district along the flanks of Lookout Mountain, from the...the subjects, descriptions of the ores of this district will be prefaced by brief notes on the origin...discussion will be given in the final report on the district. For this paper, however, it will be sufficient...accuracy impossible in dealing with the magnetite, hematite or brown ores of other districts. "HARD" AND...ALABAMA. GEOLOGY OF THE DISTRICT. The geologic section found in this district is as follows, from above |
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| p. Supt. of Docs. No.: I 19.3:1603 1. Geology Colorado Aspen Region. I. Martin, Peter L. III. Series...in brief 1 The history of the Aspen region From mining to recreation 7 The story of the land 13 Rushing...location of Aspen and other major features in western Colorado 8 3. Streams, peaks, settlements, roads, trails...showing issues of mining litigation at Aspen 11 6. Chart showing growth and decline of mining in Aspen 1880-1950...nestles in the Roaring Fork valley of western Colorado (Frontispiece), surrounded by imposing peaks of |
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| lecturing to the group on the site of the Levant mine. JANUARY/FEBRUARY 1985 21 Figure 4: Leroy Vargas...Russell collection of British minerals and the Ashcroft collections of Swiss and Irish minerals which...perched on matrix, from Gunnislake, Cornwall. The Ashcroft collection was formed over a period of ten years...College. the at Figure 5: Bournonite, Herodsfoot mine, Liskeard, Corn wall, England. Specimen is 3 by... Coleman. Figure 6: Chalcocite crystal, Geevor mine, Pendeen, Corn wall, England. Specimen is 1 by |
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| Gold ââCopper ------â Molybdenum --â-â Antimony Hematite Jade - 66 67 69 70 71 71 71 71 or oe OP _____...101 p. 105 p. Ill MAPS Plate 1 - Location of Ashcroft Sheet following p. 2a â 28 - Geographical Location...cover Map 408A - Geological Map of Fraser Talley, Ashcroft Sheet ~ see folder, back cove: âą1 J. ABSTRACT...B*C., and constitutes the western part of the Ashcroft Sheet (Map 408A) which is bounded on the south...and on the west by longitude 122 degrees. The Ashcroft sheet comprises an area along the western fringe |
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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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| 0000lewi 2G. BPAMMING FRASER, THOMPSON, AND COLUMBIA RIVER SYSTEMS A Prospector's Treasure Trail to...ProspectingâBritish ColumbiaâGuidebooks. 2. British ColumbiaâGold discoveriesâGuidebooks. 3. British ColumbiaâGuidebooks...We also acknowledge the support of the British Columbia Arts Council. Cover design and layout by Darlene...00c0se0cs0~cscaacsteacscoeecore teen: 74 PHoto Crepits British Columbia Archives: CW-A 1913 (p.4), B-08129 (p. 16), D-00405...out. But a deeper lookâin the ground and in the mining recordsâreveals that untold facets of discovery |
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| one sense it comprises the so-called Rockwood district and may be considered to extend as far southward...ore is invariably left for roofs or pillars in mining operations, and much is necessarily impossible...Appalachians, ROCKWOOD DISTRICT. i LOCATION AND EXTENT. The Rockwood district lies in the Tennessee River...about 10 miles. The area is principally in Roane County. Ore has been mined in many places along the west...near Welker post-office. Geologic maps of the district are contained in the Kingston folio (No. 4) of |
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| History Museum London SW7 5BD, United Kingdom The Ashcroft collection is typical of Alpine mineralogy in...are beautifully cystallized. Figure 1. F. N. Ashcroft (second from left) on a collecting trip in Switzerland...Merseyside in the United Kingdom. Frederick Noel Ashcroft was born on 28 August 1878 at Wavertree, Liverpool...England. His original name was Friedrich Noel Ashcroft Fleischmann, but it was modified when anti-German...Alpe, Bozen, Vrol. Another early influence on Ashcroft was Sir Henry Miers, then professor of mineralogy |
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| by D. M. Urich »16 Sabre-Pinonâs Black Jack U30g mine operations on Ambrosiaâ's western trend. Special...Special report by Richard Fitch »23 British Columbia Boom sparked by Japanese iron and copper demand;...Steel Products for basic industries Grinding Rods + Mine Rails and Accessories + Rock Bolts * Metallic Fabric...Screens * Wickwire Rope + Grader IN U.S.A The Colorado Fuel and Iron Corporation Realock Blades Denver...Cities MINING WORLD MINING cm WORLD ITâS A FACT* October 1961 VOL. 23, No. 11 Humboldt Mining Companyâs |
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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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| (X-ray Laboratory, Geol . Surv. Can .). British Columbia 82 E /2 Argentite has been noted in association...gold at the Jewel and other mines in the Greenwood Mining Division (R. Bell , 1902-3: Geo l. Surv. Can ....masses and crysta l s in vugs at the Highland Bell Mine , Wallace Mountain , n ear Beaverdell , 23 miles...3 Argentite has b een found at the Silver King Mine , Toad Mountain, about 5 miles south of Nelson (G...Surv . Can ., Ann. Rept. , IX, 27A). At the Slocan mining camp , argentite is present as a primary min eral |
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| of Science A. I. M. E____ American Institute of Mining and Metallurgical Engineers Aardrijksk---. Aardrijkskundig...cientlfica 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 min. res_ _ _ _ _ mineral resources Mineralog_____...American Institute of Mining and Metallurgical Engineers: Contributions 134, 136-139; Mining and Metallurgy |
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| ÂŁLqL \3 âOFâ Colorado Deposits. u PROFESSOR AT STATE SCHOOL OF GOLDEN, COLORADO DENVER, COLO.:...delivered by the author to the students of the Colorado State School of Mines. It is published with a...interested in the geological relations of the mines of Colorado. The first part of the work contains a rough sketch...sketch is further applied to the local geology of Colorado. The second part refers to the pheÂŹ nomena of...illustrated by Colorado. The last part contains a brief account of some of the principal mining districts |
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| 1947â Gold, gemstone and mineral sites of British Columbia Includes bibliographical references and index...resources â British Columbia â Handbooks, manuals, etc. 2. Prospecting â British Columbia. I. Title. II. Title...Title, Gold, gemstone & mineral sites of British Columbia. TN27B9H82 1997 553.4â09711 ©C96-910287-9 Orca...DAS2. Orca Book Publishers PO Box 468 Custer, WA USA 98240-0468 Dedicated to Simon Deane 1951 - 1997...abundance and variety of available material in British Columbia, rockhounding became one of our foremost hobbies |
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| .3 COLORADO. of COLORADO. J. S. l GEORGETOWN, COLO. GEORGETOWN COURIER PRINT. 1887. 3 Bancroft...From a mineralogical point of view the wealth of Colorado exceeds that of In the metallic minerals almost...to in the following pages Proceedings of the Colorado Scientific Society. Proceedings of the Academy...the U. S. Geological Survey. J. GEORGETOWN, COLORADO, January, 1887. S. RANDALL. : MINERALS...gravel of streams and in veins. The veins of Gilpin County are especially noteworthy for the amount of gold |
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| Forest and the Dillon Ranger District of the Arapaho National Forest, Colorado U.S. GEOLOGICAL SURVEY BULLETIN...Forest and the Dillon Ranger District of the Arapaho National Forest, Colorado By MARGO I. TOTH, ANNA B....Forest and the Dillon Ranger District of the Arapaho National Forest, Colorado / by Margo I. Toth ... [et...mineral resources Colorado White River National Forest. 2. Mines and mineral resources Colorado Arapaho National...National Forest. 3. Geology Colorado White River National Forest. 4. Geology Colorado Arapaho National Forest |
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| Tech. Paper; Bull.; Contr. -American Institute of Mining (and Metallurgical) Engineers, Transactions; Technical...13th Sess., Los Angeles, 1910, Proc. -American Mining Congress, 13th Annual Session, Los Angeles, 1910... Geol. Survey County Min. Rept.; Ann. Rept. -Arkansas Geological Survey, County Mining Report; Annual...Australasian In st. Mining and Metallurgy Proc.; Trans. :-Australasian Institute of Mining and Metallurgy... Rio de Janeiro. British Columbia Dept. Mines Ann. Rept. -British Columbia Department of Mines, Annual |
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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 â Cochise Co. Mining Districts .................................... |
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| conclusion) (conclusion) GEMS GEMS OF BRITISH COLUMBIA By FIELD By D. D.S.S.M.M. FIELD A A LTHOUGH...throughout British the Ashcroft, Ashcroft, Kamloops, Nicola, Omineca Columbia, especially in the and...and Queen Charlotte mining divisions. Some of them are found in volcanics ; others are found as rolled pebbles...colour occur at Aspen Grove Camp, in the Nicola mining division. The rolled pebbles are particularly abundant...Vancouver City Museum, and at other museums in British Columbia and elsewhere. Several specimens of gem quality |
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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 |
