 | | Report (issue) | | THE DIVIDE SILVER DISTRICT, NEVADA. By ADQLPH KNOPF. SUMMARY. - The Divide district, one of Nevada's...newest silver camps, centers at Gold Mountain, 5 miles south of Tonopah. The discovery of silver ore that...that had been worked higher on the slope of Gold Mountain intermittently since 1902, and before it had been...silverLatite flows UNCONFORMITY Fine-grained wfiite tuff Divide ., andesite Oddie rhyciite FIGURE 28. Generalized...Generalized columnar section of the rocks of the Divide district, Nev. bearing lode. Further exploration indicated |  | | Report (volume) | | Geochemical Signatures of Silver and Gold Depo~its, Tonopah.l,0 X,2° Qu.adrangle, Nevada~ Description and Applications...SURVEY BULLETIN 2077 Geochemical Signatures of Silver and Gold Deposits, Tonopah 1°X 2 o Quadrangle,...1941Geochemical signatures of silver and gold deposits, Tonopah 1° x 2° quadrangle, Nevada: description and applications...3:2077 1. Gold mines and mining-Nevada-Tonopah region. 2. Gold mines and mining-Nevada-Tonopah region. I. Title............................................... . Silver and Gold Deposits in the Tonopah Quadrangle .. |  | | Report (issue) | | Resources Maps of the Tonopah 1 o by 2° Quadrangle, Nevada By DAVID A. JOHN, J. THOMAS NASH, DONALD PLOUFF...resources maps of the Tonopah 1o by 2° quadrangle, Nevada I by David A. john ... [et al.]. p. em. - (U.S...4/2: 1070 1. Mines and mineral resources-Nevada. 2. Geology-Nevada. 3. Conterminous United States Mineral...Resources Maps of the Tonopah 1 o by 2° Quadrangle, Nevada By David· A. John, J. Thomas Nash, Donald Plouff...The Tonopah 1° by 2° quadrangle in south-central Nevada was studied by an interdisciplinary research team |  | | Report (issue) | | Geology and development of the Hishikari mine: Mining Geology, v. 36 (2), no. 196, p. 117. Adams, S....46, p. 9-24. Ashley, R. P., 1974, Goldfield mining district, in Guidebook to the geology of four Tertiary...Tertiary volcanic centers in centraT~Nevada: Nevada Bureau of Mines and Geology Report 19, p. 49-66. Ashley...between volcanism and ore deposition at Goldfield, Nevada, in Proceedings of the Fifth Quadrennial Symposium...International Association on the Genesis of Ore Deposits: Nevada Bureau of Mines Report 33, v. 2, p. 77-86. Ashley |  | | Journal (article/letter/editorial) | | particularly IS epithermal orebodies in any particular district, irrespective of whether or not paleosurface features...exposed in a road cut above the Coipa Norte HS gold-silver orebody at La Coipa, northern Chile. Note its white...upper part of the Tres Reyes vein at the Arcata IS silver deposit, Peru (see Candiotti et al. 1990). d Subhorizontal...alteration peripheral to the La Coipa HS-IS gold-silver district, Chile. f Hydrothermal breccia, generated by...cutting steam-heated zone, Pascua-Lama HS gold-silver deposit, Chile. Geologist stands just left of contact |  | | Journal (article/letter/editorial) | | Propylitic to PotassicAlteration at Round Mountain, Nevada MARK V. SANDER* AND MA•CO T. EINAUDI Departmentof...from fluid inclusions,outcrops on top of Round Mountain represent minimum depths of about 400 m below...depth rangeof at least750 m below the top of Round Mountain. More than310,000 kg (10,000,000 oz) of gold(including277...Presentaddress: EchoBayExploration,5250 Neil Road,Reno, Nevada 89502. 0361-0128/90/1042/285-2753.00 classof...camera"• •,• (23.6Ma)• Gold .. •......../..•MOUNTAiN •• •(25.1-2G.GMa) Qol areaaf FJg.lc. b? 5 |  | | Report (volume) | | east-west, northwest, and northeast within the district. Hawkins (1982) postulated that the east-west...upper- and lower-plate rocks in the Jerritt Canyon district is thought to be a high-angle fault. Exposure...cover in the district. REGIONAL STRATIGRAPHY Most of the rocks in the Jerritt Canyon district are Paleozoic...the Enfield Bell mine, Jerritt Canyon district, Elko County, Nevada. � Geology of the Enfield Bell Mine...Mine and the Jerritt Canyon District, Elko County, Nevada 97 Lower-plate rocks Lower-plate stratigraphy |  | | Journal (article/letter/editorial) | | 1827–1853 Miocene and Early Pliocene Epithermal Gold-Silver Deposits in the Northern Great Basin, Western United...are absent. Both high- and low-sulfidation gold-silver and porphyry copper-gold deposits are affiliated...production continues today from large deposits at Round Mountain, Midas, and Rawhide (Fig. 2). As shown by many...Lindgren (1933), and Nolan (1933), epithermal gold-silver deposits can be broadly separated into two groups...showed that lowsulfidation deposits in northern Nevada could be divided into two subtypes based on their |  | | Journal (article/letter/editorial) | | the La Marciana area are indicative of gold- and silver-rich hydrothermal activity. Taken in conjunction...Manuscript first received by the Institution of Mining and Metallurgy on 8 May, 2002; revised manuscript...2002. © The Institute of Materials, Minerals and Mining 2002. B106 they have been recognized only rarely...such as McLaughlin in California13 and Hasbrouck Mountain in Nevada.8 Some pre-Cenozoic fossil sinters related...average grade of 10 ppm of gold and 113 ppm of silver (Cerro Vanguardia S.A. annual report, 1999). At |  | | 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) | | University of Nevada, Reno, Nevada 89557-0088, U.S.A. Eiji Izawa, Department of Mining, Faculty of Engineering...S.A., 72 p. Ashley, R. P., 1974, Goldfield mining district, jLn Guidebook to the geology of four Tertiary...Tertiary volcanic centers in central Nevada: Nevada Bureau of Mines and Geology Report 19, p. 49-66. Ashley...between volcanism and ore deposition at Goldfield, Nevada, in Proceedings of the Fifth Quadrennial Symposium...International Association on the Genesis of Ore Deposits; Nevada Bureau of Mines Report 33, v. 2, p. 77-86. Ashley | | | 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 |  | | Journal (article/letter/editorial) | | Precious Metal Mineralization in West-Central Nevada DAVID A. JOHN, U.S. GeologicalSurvey,345 MiddlefieldRoad...California94025 Abstract The ParadisePeakmineisa majorgold-silver-mercury depositlocatedin the southwestern part...withtheshiftinthestyle of volcanism andwithgold-silver mineralization in theParadise Peakmineandin theGoldfield...the Paradise THE ParadisePeakmineis a majorgold-silver-mer- Range(John,1986, 1988; JohnandKelleher,1987)...fault that containsthe cinnabar spring-type,gold-silver-mercury deposit.It wasdisthat waspreviouslymined(Fig |  | | Journal (article/letter/editorial) | | Exploration, 2995 Skyline Boulevard, Suite 202, Reno, Nevada 89509 Introduction universities are producingsofew...many believedwe hadcoveredeveryinchof outcropin Nevada,for instance, but the day is finallyarrivingwhenwe...able to make a mine, in today'seconomicenvironment,mining companiesfeel forcedto followthe generaltrend to...MiningEngineers,February28, 1989, at Las Vegas, Nevada. Witwatersrand are removed from consideration...of the best illustrations.In the Dickinsonmine, mining,and to detectionby geophysical bandedquartz-carbonate |  | Orris, G.J., Bennett, P.C., Theodore, T.G. (1987) A bibliography for the Winnemucca 1 degree by 2 degrees Quadrangle, Nevada, with indexing by county, commodity, mine name, mining district and selected major topics. Open-File Report Vol. 1987 (87-89) US Geological Survey doi:10.3133/ofr8789 | Report (issue) | | 2° quadrangle, Nevada, with indexing by county, commodity, mine name, mining district, and selected major...resources of the Winnemucca 1° x 2° quadrangle area, Nevada, were collected in support of a series of U.S....occur within the Winnemucca 1° by 2° quadrangle, Nevada: Elko, Eureka, Humboldt, Lander, and Pershing Counties...Table 3 is a listing of references by mine and mining district names. Finally, Table 4 indexes the references...for the five Nevada Counties that occur in the Winnemucca 1° by 2° quadrangle, Nevada. COUNTY REFERENCES |  | | Journal (article/letter/editorial) | | magmatic-hydrothermal and hydromag- the Cabeza de Vaca district (Sillitoe and Sawkins, matic processesand therefore...deposit Childs-Aldwinklepipe in the Copper Creek district typesare generallyabsentfrom arc terranes,amag-...volcanics ada Golden Sun- light, Montana Victoria, Nevada Copper Creek, Calcareous sedi- ments,latite...tents.A few breccias are different and contain silver-lead-zinc or tungstenmineralization(Table 2)....entedby tourmalineand a brecciapipe.Yabricoya district,Chile.Geologypickhandleas sericitizedalongfra |  | | Book | | 310 Pillsbury Drive S. E. Minneapolis, MN 55455, USA Volumes 1 to 9 in this series appeared under the...are of considerable aid to the exploration and mining geologist in areas of known mineralization, but...advanced undergraduate and graduate levels, and to mining and exploration geologists. lowe no small debt.................. . 83 The Fresnillo Ag-Pb-Zn District, Zacatecas, Mexico .............................Massive Sulfide Deposits of the BathurstNewcastle District, New Brunswick, Canada Discussion of Tectonic |  | | Report (issue) | | of ancient mining activity for gold and diamonds in various parts of India. Recorded mining activity for...Dona sector of Jonnagiri schist belt in Anatapur district, is being explored. Elsewhere, investigation for...peridotite-orthopyroxenite and seams of chromite. Active mining for chromite is in operation. The body is characterised...ASSOCIATED MINERALISATION IN GULALDIH AREA SONBHADRA DISTRICT, , U T TAR PRADESH . --- lvI.A.KHAN. MANGALA...IN KAPPIL PROSPECT, NILAMBUR AREA , MALAPPURAM DISTRICT, KERALA 191 ---R.S. NAIR AND M. SURESH CHANDRAN |
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