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| 360-393 PreciousMetal Vein Systemsin the National District, Humboldt County, Nevada PETER G. VIKRE ASARCOInc...Reno, Nevada 89502 Abstract The National district, 20 miles (33 km) southeastof McDermitt, Nevada, produced...quartz-sulfide-silicate veins near the townsiteof National and on Buckskin Mountainoccurwithin a 3,000-ft-thick (910...associatedrhyolitesare • 18 to 15 m. y. old. The volcanicpile at National is highlyfaultedand depositsare localizedwithin...of the Owyheevolcanicplateau. Wall rock in the district is progressivelyhydrolyzed and sulfidized to assemblages |
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| 193–224 Sinter-Vein Correlations at Buckskin Mountain, National District, Humboldt County, Nevada PETER G....Engineering, University of Nevada, Reno, Reno, Nevada 89557 Abstract At Buckskin Mountain (elev 2,650 m, 8,743...743 ft), Humboldt County, Nevada, a hydrothermal system, imposed on a middle Miocene volcanic sequence...resistance among altered and unaltered rocks, Buckskin Mountain represents inverse topography with sinter...inclusion microthermometry, were deposited by sinter-vein fluid, the first of two sequential hydrothermal |
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| CO 80401, USA; tmonecke@mines.edu FLUID INC., 1401 Wewatta St. #PH3, Denver, CO 80202, USA; fluidinc@comcast...Microscopic inspection of bonanza quartz vein samples from the Buckskin National low-sulfidation epithermal precious...precious metal deposit in Nevada showed that colloform bands in these veins exhibit relic microsphere textures...epithermal quartz veins from the Sleeper deposit in Nevada forms dendrites intergrown with fine-grained colloform...suggests that the silica originally deposited in the vein was soft and gel-like. Transformation to microcrystalline |
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| MINERALS OF NEVADA MINERALS OF NEVADA Peer Hen By CASTOR oan eGORY.C.oFER DOCK NEVADA AND BUREAU... UNIVERSITY Reno & Las Vegas OF NEVADA PRESS GEOLOGY Nevada Bureau of Mines and Geology Special...University of Nevada Press, Reno, Nevada 89557 USA Copyright © 2004 by University of Nevada Press Photographs...otherwise noted Map of Mining Districts and significant mineral occurrences of Nevada by Nevada Bureau of Mines...Cataloging-in-Publication Data Castor, Stephen B, Minerals of Nevada / Stephen B. Castor and Gregory C. Ferdock.— Ist |
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| __ a-—™ UNIVERSITY OF NEVADA BULLETIN Y ol. XLI DECEMBER 1947 No. 9 G EOLOGY A N D M IN IN G...Engineer N evada State Bureau of Mines JNIVERSITY OF NEVADA BULLETIN Vol. XL I DECEMBER 1947 No. 9 GEOLOGY...Washoe Counties By D. O verton M ining Engineer Nevada State Bureau of Mines T heodore PR IC E F IF T...Topography, Geology and Mineral Resources.. Douglas County— Location and Topography.. Geology and Ore Deposits...Production............................... Mining Districts— Buckskin (Smith Valley). Gardnerville (Eagle) |
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| MINERALS OF NEVADA MINERALS OF NEVADA STEPHEN B. CASTOR and G R EGOR Y C . F E R D OC K l NEVADA BUREAU...association with the UNIVERSITY OF NEVADA PRESS Reno & Las Vegas Nevada Bureau of Mines and Geology Special...University of Nevada Press, Reno, Nevada 89557 USA Copyright© 2004 by Uni versity of Nevada Press Photographs...Districts and si gnificant minernl occurrences of Nevada by Nevada Bureau of Mines and Geology All rights reserved...-Publ ication Dat,i Castor, Stephen B. Minerals of Nevada/ Stephen B. Castor and Gregory C. Ferdock.- rst |
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| has been an important industry in the economy of Nevada, the Silver State, since territorial times (1861)...area and created the state (1864). There are 526 mining districts in the state, 60 of which produce nonmetallic...ores (Tingley 1998). Three major mining booms have occurred in Nevada: 1860-1880 (Comstock and other silver...precious-metal mining with the development of low-grade, large-tonnage mines. I n 1997 Nevada ranked first...percent, respectively, of total U.S. production. Nevada also produced 148 million pounds of copper, 4 percent |
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| made in the study of a particular topic in one district would aid in the study of the same topic in the...regional report, it must be remembered that for each district only such information could be used as was readily...work in the encouragement which they offer to deep mining, irrespective of more purely scientific results...the Atlas mine, Ouray; Mr. F. G. Farish, of the Humboldt mine, ^iear Telluride; Mr. L. F. S. Holland, then...primary mineralization in this ancient volcanic district is generally attributed to thermal solutions coming |
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| Shaomin Lei Mineralogy and Processing of Hydrothermal Vein Quartz from Hengche, Hubei Province (China) Reprinted...Muscovite during Pressure Leaching of Hydrothermal Vein Quartz Using H2 SO4 and NH4 Cl as Leaching Agents...quartz from metamorphic host rocks, hydrothermal vein quartz, as well as diatomite. The results of the...Springer Geology: Heidelberg, Germany; New York, NY, USA; Dordrecht, The Netherlands; London, UK, 2012; p...Lei, S. Mineralogy and Processing of hydrothermal vein quartz from Hengche, Hubei Province (China). Minerals |
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| Shaomin Lei Mineralogy and Processing of Hydrothermal Vein Quartz from Hengche, Hubei Province (China) Reprinted...Muscovite during Pressure Leaching of Hydrothermal Vein Quartz Using H2 SO4 and NH4 Cl as Leaching Agents...quartz from metamorphic host rocks, hydrothermal vein quartz, as well as diatomite. The results of the...Springer Geology: Heidelberg, Germany; New York, NY, USA; Dordrecht, The Netherlands; London, UK, 2012; p...Lei, S. Mineralogy and Processing of hydrothermal vein quartz from Hengche, Hubei Province (China). Minerals |
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| ORE DEPOSITS OF THE WALLAPAI BLAKEMORE DISTRICT, ARIZONA. E. THOMAS. CONTENTS. PAGE Abstract ................................................... Vein deposits...... '................................................................................ Vein structureand expression.................................. 700 700 ?03 ABSTRACT. The Wallapai district is in the Cerbat Mountains,an eastward-tilted...THOMAS. INTRODUCTION. Geography.--TheWallapai district embracesan area of approximately forty-fivesquaremilesin |
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| Director Bulletin 842 OF THE GREATER HELENA MINING REGION MONTANA BY J. T. PARDEE and F. C. SCHRADER...______________________-__-_________--_------___-_ Ophir district.________________________________________________...__________---__--_-___ Austin district._.____..._..._._.____._____.____.___-.___._____ Marysville district.___________...___________________________________________ Gould district._______________________________________________ Stemple...._ Heddleston district.___________________________________________ Wolf Creek district.._..........__ |
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| in gold-silver alloys. Analyses of *Now Western Mining Corporation, 5 5 MacDonald Street, Kalgoorlie,...exploration geologist. In 1978 he joined Western Mining Corp. as a senior exploration geologist. In 1988...selvages and are sulphide-poor with pyrite and arsenopyrite dominant over base-metal sulphides. The ore-depositing...Porphyry environment is represented by numerous skarn, vein, stockwork, and breccia deposits for which a genetic...Epithermal environment is represented by single veins, vein networks, breccias, and replacement bodies hosted |
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| BLACK MOUNTAINS, AND.GRAND WASH CLIFFS MOHAVE COUNTY, ARIZOiNA BY F. C. SCHRADER WASHINGTON GOVERNMENT...__ .___ 44 Mining districts._____________ ______.____ ___ 45 Production of Mohave County._____________...Introduction _______________________________ 49 Chloride district-______________________________ 51 I vocation ______________...Continued. Cerbat Range Continued. Mineral Park district Continued. Tyler mine Lady Bug niine__ Rural and...St. Louis mine_____________________,_____ Blanket vein property ______________:_____ Stocktpn Hill dis |
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| (rightbackground) mines, Butte, ca. 1965. World Museum of Mining photo. 6 The Mineralogical Record, volume 33...heard the term “vug hole.” The ground in the Butte mining camp, especially in the Kelley mine, was just full...history as well as minerals, the World Museum of Mining is also located in Butte, at the site of the old...only comprehensive mineralogical study of the district. This work is as valuable today as it was 37 years...Office, in the Steward mine, 1897. World Museum of Mining photo. Snowfall is moderate compared to that in |
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| 379 380 382 385 386 387 387 389 392 Faults along vein fissures.................................. 393...Secondaryenrichment ..................................... Vein intersections.....................................paperis concerned with an area in part of that district includingmany of the principal producers. The...according to their environment. The factors affecting vein widths and values may be summarized: (a) In many...preoore fault transverseto a vein may cause a change in character of the vein at the intersection. (d) A |
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| (rightbackground) mines, Butte, ca. 1965. World Museum of Mining photo. 6 The Mineralogical Record, volume 33...heard the term “vug hole.” The ground in the Butte mining camp, especially in the Kelley mine, was just full...history as well as minerals, the World Museum of Mining is also located in Butte, at the site of the old...only comprehensive mineralogical study of the district. This work is as valuable today as it was 37 years...Office, in the Steward mine, 1897. World Museum of Mining photo. Snowfall is moderate compared to that in |
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| zinc, tungsten, and copper. In 1896 world-renowned mining engineer Thomas ''T.A." Rickard called the San...San Juans one of Colorado's four great mining regions along with Leadville, Cripple Creek, and Central City...kingdom that there were silver mines caused the mountain to be called Sierra de la Plata [Silver Mountains]...aware of the area's mineral potential. Well-known mountain man and guide, Kit Carson "strongly insisted"...the Rocky Mountain News (October 12, Above: August sunrise on middle Blue Lake, Ouray County Photo Jack |
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| 7 Geology and Ore Deposits of the Index Mining District By CHARLES E. WEAVER OLYMPIA, WASB.: E....entitled "Geology and Ore Deposits of the Index Mining District," by Charles E. W eaver, with the recommendation.................... 9 Location and area of th.e district. . . . . . . . . . . . . . . . . . . . . . . ... . . . . . . . . . . . • . • . . . History of mining. . . . . . . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . . . . . . . . . . Copper Bell mine. . . . . . . . . . . . . . . . . . . . . . |
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| of the State's mining industry. It is hoped that this report will stimulate gold mining in Georgia, which...appointed assistant curator of the United States National Museum, in charge of the collection of minerals...Prof. Yeates' connection with the United States National Museum, he was Professor of mineralogy and geology...Buffalo, St. Louis, Jamestown, and other great national expositiom;, in displaying the mineral 8 IN...long experience in this line at the United States National Museum enabled him, not only to identify the species |
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| Abbreviation No. of References American Institute of Mining, Metallurgical and Petroleum Engineers Transactions...Australasian Institute of Mining and Metallurgy (and Australian Institute of Mining Engineers) (Aust. Inst...and Met.) Proceedings Australasian Institute of Mining and Metallurgy Geology of Australian Ore Deposits...Inst. Min. and Met.) Australasian Institute of Mining and Metallurgy Stillwell Anniversary Volume (Aust...Geophys.) (all publications) Australian Institute of Mining and Metallurgy Monograph No. 3 (Aust. Inst. Min |
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| Geological Survey Board and the Colorado Metal Mining Fund ~ oopr is PUBliC P[O'J>ERTY aud 1• DOt ~re~~o~...__________________________________________ _ 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...belt __________ _ Breckenridge district ___________________ _ Location __________________________ _ |
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| .......................................... THE MINING INDUSTRY IN 1905, by Alfred H. Brooks.......................................... Auriferous lode mining..................................................coal......................................... LODE MINING IN SOUTHEASTERN ALASKA, by F. E. and C. W. Wright......................................... Juneau district.................................................Inlet.................................. Ketchikan district............................................. Kasaan |
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| GEO LOGY AND GOLD DEPOSITS OF THE CRIPPLE CREEK DISTRICT, COLORADO BY \V ALDEl\;IAR LINDGREN A:'\D FREDERIC... . . . . . . . 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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| CORNWALL'S CENTRAL MINES THE SOUTHERN DISTRICT 1810-1895 by T. A. MORRISON M.A., A.C.S.M., M.I.M...31. Wheat Buller 32. East Wheal Buller 33. Bell Vean, Bell and Lannarth 34. South Buller and West Penstmthal...Map of the Camborne-Redruth district The Camborne-Redruth mining district c. 1865 Numbers of mines at...continuation of Cornwall's Central Mines: The Northern District 1810-1895 (published by Alison Hodge, 1980). The...individual mine in one of the world's greatest mining districts. The ground covered surrounds the town |
