 | | Journal (article/letter/editorial) | | 2003, pp. 409–424 Geology of the Ivanhoe Hg-Au District, Northern Nevada: Influence of Miocene Volcanism...University of Nevada, Reno, Reno, Nevada 89557-0047 Abstract The mercury-gold deposits of the Ivanhoe mining...mining district in northern Nevada formed when middle Miocene rhyolitic volcanism and high-angle faulting...fluids. A shallow lake began to develop in the Ivanhoe area about 16.5 Ma. The lake progressively expanded...the two ore types is unclear. Higher-grade gold-silver deposits formed in massive rhyolites and Paleozoic |  | | Journal (article/letter/editorial) | | geochemistry of abandoned mercury mines in West-Central Nevada, USA John E. Gray*, James G. Crock, David L. Fey US...80225, USA Abstract The Humboldt River is a closed basin and is the longest river in Nevada. Numerous...rights reserved. 1. Introduction Mercury mines in Nevada are part of a Hg belt that consists of numerous...in a broad region throughout western and central Nevada (Table 1, Fig. 1). These Hg deposits are found...muscovite, alunite, jarosite, and clay minerals (Bailey and Phoenix, 1944). The Hg deposits in Nevada are generally |  | | Report (issue) | | 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 |  | | Report (issue) | | RESOURCES OF ELKO COUNTY, NEVADA By Roscoe M. Smith Prepared in cooperation with Nevada Bureau of Mines...Acknowledgment -Mining districts Commodities Production Descriptions of mining districts . Alder district-Aura district...district -Beaver district Black Mountain district Bootstrap district Burner district Burns Basin district--...-Carlin district Cave Creek district ----Charleston district_--Coal Mine district~ Contact district Cornucopia...Cornucopia district - -Corral Creek district - Decoy district Delano district Delker districtDivide district | | | Report (issue) | | 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 |  | | Report (issue) | | UNIVERSITY OF NEVADA BULLETIN Val,. S X X I T II I 1)ECEBIIIElZ 1944 No. 5 GEOLOGY AND MINING SERIES No...No. 41 er Deposits In Nevada BY EDGARH. BAILEY and DAVID A. PHOENIX Geologists, U. S. Geological Survey...Survey PREPARED AND PUBLISHED BY NEVADA STATE BUREAU OF MINES IN COOPERATION WiTH UNITED STATES OEOLOOlCAL...SURVEY PRICE ONE DOLLAR j sin PUBLICATION OF THE NEVADA STATEBUREAUOF MINES A N D THE MACKAY &HWL OF MINES...THE UNIVERSITY OF NEVADA RENO, NEVADA Entered in the Post Office at Reno, Nevada, as second-class matter |  | | Journal (article/letter/editorial) | | named schuetteite after Curt Nicoiaus Schuette, mining engineer, geologisl, and specialist on mercury...natural occurrencesin several quicksilver depositsin Nevada, and in single localities in california, oregon...for Curt Nicolaus Schuette (pronouncedshoo'tC), mining engineer and geologist,who has devoted much of...deposits. He has written reports on quicksilver mining and economics (Schuette, l93la), on the metallurgy...only. r HgSOr.2HgO from burnt ore dump, Oceanic mine, San Luis Obispo Co., Calif. Diffractometer tracings |  | | Report (issue) | | CONTRIBUTIONS TO THE GOLD METALLOGENY OF NORTHERN NEVADA Richard M. Tosdal editor Open-File Report 98-338-6...Contributions to the gold metallogeny of northern Nevada Preface R.M. Tbsdfl/.............................Regional crustal structure beneath the Carlin Trend, Nevada, based on deep electrical geophysical measurements...and its relation to gold belts in north-central Nevada: Overview and progress report V.J.S. Grawc/i.....autochthonous rocks that host gold along the Carlin trend, Nevada Augustus K. Armstrong, Ted G. Theodore, Robert |  | | Report (issue) | | Data for Environmental Studies of Mercury Mines in Nevada by John E. Gray, Monique G. Adams, James G. Crock...of samples collected from the Eldorado mine in the Imlay District............... Figure 3. Location of...samples collected from the Dutch Rat mine in the Dutch Rat District....... Figure 4. Location of samples...samples collected from the Cahill mine in the Poverty Peaks District ........ Figure 5. Location of samples...samples collected from the Goldbanks mine in the Goldbanks District....... Figure 6. Location of samples collected |  | | Report (volume) | | quartz-alunite Au, by Byron R. Berger 155 158 Grade and tonnage model of epithermal quartz-alunite Au...125. 126. Lead grades of Zn-Pb skarn deposits 92 Silver grades of Zn-Pb skarn deposits 93 Metal grades...grades of polymetallic replacement deposits 103 Silver grades of polymetallic replacement deposits 104...118 Gold grades of porphyry Cu-Mo deposits 118 Silver grades of porphyry Cu-Mo deposits 119 Tonnages...122 Tonnages of polymetallic vein deposits 127 Silver grades of polymetallic vein deposits 12•7 Gold |  | Hodges, C.A., Cox, D.P., Singer, D.A., Case, J.E., Berger, B.R., Albers, J.P. (1984) U.S. Geological Survey-INGEOMINAS mineral resource assessment of Colombia. Open-File Report Vol. 1984 (84-345) US Geological Survey doi:10.3133/ofr84345 | Report (issue) | | quartz-adularia type (5.4) 30 Hot springs gold-silver deposits (5.6) 32 Emerald veins (5.10) 34 Volcanic-hosted...quartz-adularia type 29 14. Hot springs gold-silver deposits 31 ii Contents (Supplement) Page Figure...deposit types. In addition to new deposits of gold, silver, and platinum group elements, significant resources...Central are favorable hosts for hot spring gold-silver deposits and should be an immediate focus for exploration...discoveries of large-tonnage, shale-hosted lead-zinc-silver, bedded barite, and sedimentary manganese deposits |  | | Report (issue) | | INTRODUCTION. reports are those on the Mercur district, by J. E. Spurr and S. F. Emmons; the Bingham...Bingham The senior author, J3. S. Butler, began district, by J. M. Boutwell, Arthur Keith, and field work on...deposits of Utah in the S. F. Emmons; the Park City district, by J. M. FIELD .WORK AND AUTHORSHIP. summer...including the Deep Creek, Fish Springs, Dugway, Silver Islet, Grouse Creek, Raft River, Promontory, and...author, G. F. Loughlin, began work in the Tintic district in 1911 in collaboration with Waldemar Lindgren |  | | Book (volume) | | Most specimen collecting is done in the Lead-Zinc mining dists. of northwestern Illinois, the glacial drift...600 to 800 feet thick in the north. ALEXANDER COUNTY FAYVILLE, area stream gravels⎯agate, jasper, rare...⎯agate, jasper; d RR siding of Clay⎯agate. CALHOUN COUNTY AREA, shores of the Mississippi R., in the Warsaw...crystals). CRAWFORD COUNTY PALESTINE, area deposits⎯Siderite. EDWARDS COUNTY AREA, T. 1 S, R. 10 E...deposits⎯Siderite. FULTON COUNTY FARMINGTON, W 6 mi. on Rte. 116 to the Rapatee No. 5 strip mine⎯pyritized gastropods |  | | Book (volume) | | Most specimen collecting is done in the Lead-Zinc mining dists. of northwestern Illinois, the glacial drift...600 to 800 feet thick in the north. ALEXANDER COUNTY FAYVILLE, area stream gravels⎯agate, jasper, rare...⎯agate, jasper; d RR siding of Clay⎯agate. CALHOUN COUNTY AREA, shores of the Mississippi R., in the Warsaw...crystals). CRAWFORD COUNTY PALESTINE, area deposits⎯Siderite. EDWARDS COUNTY AREA, T. 1 S, R. 10 E...deposits⎯Siderite. FULTON COUNTY FARMINGTON, W 6 mi. on Rte. 116 to the Rapatee No. 5 strip mine⎯pyritized gastropods |  | | Book (volume) | | chalcedony, jasper and gem petrified wood. BUFFALO COUNTY KEARNEY, area gravel bars and pits along the Platte...townagate, chalcedony, jasper, petrified wood. CASS COUNTY WEEPING WATER, SE, on rd. to Nehawka, in the Snyderville...chalcedony, jasper, fossils. CHERRY COUNTY VALENTINE, in the Sandhills county along the Niobrara R. and Minnechaduza...gem qualityagatized and opalized wood. DAWES COUNTY CHADRON, in N part of Co. and as far W as Crawford...woods, etc. DAWSON COUNTY GOTHENBURG, in sand pitspetrified palm wood. DEUEL COUNTY CHAPPELL, all regional |  | | Book | | enter must be obtained to prevent trespass. Old mine workings are dangerous and entering underground...oFtne ato aa Gem Ghd nQkTeane Uva a nes ly ia" mine Ui nrobs inesob cere ts ou ioe tok us 'aaieomolitt...exception of the rhodochrosites of the Sweet Home Mine, Alma, Colorado, which were loaned for photography...and the Central Mining District, Grant County Burro Mountains Apache No, 2 District Lake Valley Caballo...Mountains Chloride District Hansonburg District Socorro Area New Placers District Grants Area Nacimiento |  | | Report (issue) | | William X. Chavez de la New Mexico Institute of Mining and Technology, EUA y Jose Manrique Z. de la 3...("commodity") se presentan con la misma escala; se usa una escala logarftmica para los tonelajes y la mayorfa...conocida. EJEMPLOS High Plateau, Del Norte County, USCA Goto Mine, Luzon, PLPN (Wells y otroa, 1946) (LeBlano...Nombre Ace of Spades Adobe Canyon Gp. Ajax Alice Mine Allan (Johnson) Alta Hill Althouse Alyce and Blue...etc Buttercup Chrome Camden Mine Campbell Camptonville area Castro Mine Cattle Springs Cavyell Horse |  | | Book (edition) | | Linopolis, Brazil, H Page 13: Gold, 35 mm.Eagle's est Mine, California, G Publi!>hed by Grdllit.u.o. Stefanikova43...abbreviations: Rep. (republic), prov. (province), co. (county), munic. (municipio), pref. (prefecture), dept...dept. (departement), dept. (departamento), dist. (district). Less common terms are not abbreviated, e.g....always included in text, except in the cases of the USA, UK, and the provinces Ontario and Quebec in Canada...Uintah County. Utah. and m (2.B. acanthite group). Monoclinic, C2/m, a,b,c Rio Blanco County. Colorado |  | | Report (issue) | | GEOLOGY AND ORE DEPOSITS OF TILE LEADVILLE MINING DISTRICT, COLORADO BY S. F. EMMONS, J. D. IRVING,...porphyries at Lead85 General features _ 52 ville _ Cloud City and Valentine faults_86 52 Forms of intrusive...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...103 66 and Mike faults _ Iron Hill _ 103 66 Tucson mine _ Area between Iron and Adelaide faults_ _ _ Yak_ |  | | Book (edition) | | describes sites under of the nearest town and county. and the many maps included book contain such...Carolina. In the West, the Rockies, the Sierra Nevada, and the coast ranges dominate a vast geological...fundamental clue to gem locations. Since hard-rock mining is too expensive for amateurs, the hobbyist ...minerals. He will pick over stream beds, gravel pits, mine dumps, road cuts, and quarries. Some gems may also... even an unfenced range, a deserted cabin, or a mine dump. Be ready to sign a waiver absolving the owner |  | | Journal (volume) | | XVI April 15, 1914 March 30, 1915 The Salt Lake Mining Review 1601 Walker Bank Building SALT LAKE CITY...Creek , Utah , Has Large, Rich Carnotite Deposits . Silver King Con . Statement Self- Cotained Rescue Apparatus...30 , 1914. The Utah Consolidated Stone Co. The Nevada . : Items : The Cameron Coal Mines , Utah Detail...Goldfield Con . Civil Service Examinations The Sells Mining Company Engineers and Millmen United States Smelting...trict. By George H. Ryan 13 20 California Oil and Mining News. By G. Chester Brown . TOT 10. 191 .. ;19 |  | | Journal (volume) | | Logan, District Mining Engineer O. McK. Laizure, District W. Burling Tucker, Reid J. Mining Engineer...Engineer District Sampson, Assistant Mining Engineer District Engineer Ohas. V. Averill, District Mining...Junior Mining Engineer (Librarian) San Francisco TABLE OF CONTENTS Page REPORTS OF DISTRICT MINING...Field District Sacramento Field District San Francisco Field District Los Angeles Field District 8 Miner...Miner al Resources of San Diego County 56 GEOLOGIC BRANCH 56 Current Notes Geology and Oil Possibilities |  | | Book (edition) | | Morocco; (center, left) wulfenite, San Francisco mine, Sonora, Mexico; (center) ameihyst, Veracruz, Mexico;...rnodochrosite, N’Chwaning mine, South Africa; (lower left, center) wulfenite, Red Cloud mine, Arizona; (lower...Lincoln. Encyclopedia of minerals Sagiiache County Pu blic Library Saguache , Colorado DEMCO For...Photo Editor: Wendell E. Wilson Library Saguache County Public Saguache, Colorado VAN NOSTRAND REINHOLD...Pe Wr * se vat © C6 tad GAa Snive Sr Certain Mine (ax agry wh Oe ee — SS 4 eae wid Bharce © |  | | Journal (issue) | | turquoise .from the Little Gem Mine (also known as the Cracker Jack Mine) in Nevada. It comes in two types:...famous old-time Mexican lavender lace agate. The mine producing this has been closed for some time. but... . ..• . ........... S .40 per gram Turquoise. Nevada. blue with grey or black matrix ............................. ........ S .75 per lb. Turquoise. Nevada. green with brown spiderweb ......................50 per lb. Medium dark - most popular color In USA$ .04 per carat ... $4.00 per lot Pata de Gallo Agate• |  | | Book (edition) | | MARIN COUNTY FREE LIBRARY 3 1111 00289 4184 \ I s Fifth Revised Edition A complete, state-by-state...live. The Appalachians, the Smokies, the Sierra Nevada, the Rockies and Black Hills, the Cascades and...Carolina. In the West, the Rockies, the Sierra Nevada, and the Coast ranges dominate a vast geological...fundamental clue to gem locations. Since hardrock mining is too expensive for amateurs, the hobbyist will...minerals. He will pick over stream beds, gravel pits, mine dumps, road cuts, and quarries. Some gems agate |
|
