 | | Journal (article/letter/editorial) | | Mineralization in the Comstock District, Nevada DONALD M. HUDSON† 1540 Van Petten Street, Reno, Nevada 89503 Abstract...metal deposits of the world-renowned Comstock district of western Nevada constitute one of several superimposed...superimposed Miocene hydrothermal systems. In the district, Mesozoic metasedimentary and igneous rocks are...preore dioritic intrusions. Preore barren quartz, alunite, pyrophyllite, and kandite alteration (high-sulfidation...cristobalite, alunite, and kaolinite alteration exposed at the periphery of the district may be linked |  | Yang, K., Huntington, J. F., Boardman, J. W., Mason, P. (1999) Mapping hydrothermal alteration in the Comstock mining district, Nevada, using simulated satellite‐borne hyperspectral data. Australian Journal of Earth Sciences, 46 (6) 915-922 doi:10.1046/j.1440-0952.1999.00754.x | Journal (article/letter/editorial) | | Mapping hydrothermal alteration in the Comstock mining district, Nevada, using simulated satellite-borne hyperspectral...P. MASON1 1 CSIRO Division of Exploration and Mining, PO Box 136, North Ryde, NSW 1670, Australia. Analytical...Geophysics, 4450 Arapahoe Avenue, Boulder, CO 80303, USA. 2 Hydrothermal alteration mapping with spaceborne...hyperspectral data was simulated in the Comstock mining district, Nevada in order to evaluate the mineral mapping...including kaolinite, dickite, illite, chlorite, alunite and carbonate was identified from the simulated |  | Vikre, Peter G., McKee, Edwin H., Silberman, Miles L. (1988) Chronology of Miocene hydrothermal and igneous events in the western Virginia Range, Washoe, Storey, and Lyon counties, Nevada. Economic Geology, 83 (4) 864-874 doi:10.2113/gsecongeo.83.4.864 | Journal (article/letter/editorial) | | WESTERN VIRGINIA RANGE, WASHOE, STOREY, AND LYON COUNTIES, NEVADA PETER G. VIKRE, ASARCOIncorporated...Menlo Park laboratories. forms the Comstock,Silver City, Occidental, and The decayconstants usedfor 4...second assemblageconsistsof pervasively quartz-alunite-altered volcanic rocks that are Volcanic and Sedimentary...pervasivelyaltered quartz-aluniterocks zonitein the Utah mine (Comstocklode footwall)is have formed in extrusive...donein the labora- walls and footwalls of the Comstock, Silver City, tories of the U.S. GeologicalSurvey |  | | Journal (article/letter/editorial) | | Relations in the Comstock Lode PETER G. VIKRE ASARCO, Inc., 510 East Plumb Lane, Reno, Nevada 89502 Abstract...Comstockdistrict 15 mi (24 km) southeastof Reno,Nevada,formed 13.7 Ma in Mioceneeruptiverocksof the Alta...at the northend of the lode (CedarHill) to <235øC at the southend of the lode (AmericanFlat), contained<1...additional bonanzas awaitdiscovery alongunexplored Comstock faultsegments withindeclining palcothermalgradientsto...north. 0361-0128/89/982/1574-3053.00 15 74 COMSTOCK LODE,FLUID-MINERALRELATIONS Introduction THE Comstocklodeis |  | | Report (issue) | | Rocks in Parts of the Virginia City Quadrangle, Nevada GEOLOGICAL SURVEY PROFESSIONAL PAPER 936 ...Rocks in Parts of the Virginia City Quadrangle, Nevada By DONALD H. WHITEBREAD GEOLOGICAL SURVEY PROFESSIONAL...rocks in parts of the Virginia City quadrangle, Nevada. (Geological Survey Professional Paper 936) Bibliography:...Volcanic ash, tuff, etc.-Nevada-Storey Co. 2. Volcanic ash, tuff, etc.-Nevada-Lyon Co. 3. Geology, StratigraphicMiocene...Metamorphism (Geology) 5. Geochemistry-Nevada-Storey Co. 6. Geochemistry-Nevada-Lyon Co. I. Title. II. Series: |  | | Report (issue) | | Deposits-Part I The Goldfield Gold District, Esmeralda and Nye Counties, Nevada By ROGER P. ASH LEY The Tonopah...Precious-metal District, Esmeralda and Nye Counties, Nevada By ROGER P. ASH LEY The Republic Gold District, Ferry...Ferry County, Washington By MORTIMER H. STMTZ and ROBERT C. PEARSON The Comstock Lode Precious-metal District...District, Washoe and Storey Counties, Nevada By WILLIAM C. BAGBY and ROGER P. ASH LEY U.S. GEOlOGICAl...1857H 1 Gold ores-Nevada 2 Gold ores-Wash1ngton-Ferry County 3 Hydrothermal deposits-Nevada 4 Hydrothermal |  | | Report (chapter) | | volcanism: a review R. H. Sillitoe Department of Mining Geology, Royal School of Mines, Imperial College...advanced argUlic and argillic alteration, with clays, alunite, pyrophyllite, diaspore, etc., accompanied by widespread...is broadly coextensive with the Sierra Madre Occidental and the Trans-Mexico volcanic belt, but in the...along the central portion of the Sierra Madre Occidental, at least partly during volcanism, as attested...zinc and copper. According to an analysis of the district undertaken by Geyne and co-workers, 9 the volcanic |  | Ashley, Roger P., Goetz, A.F.H., Rowan, L.C., Abrams, M.J. (1979) Detection and mapping of hydrothermally altered rocks in the vicinity of the Comstock Lode, Virginia Range, Nevada, using enhanced Landsat images. Open-File Report Vol. 1979 (79-960) US Geological Survey doi:10.3133/ofr79960 | Report (issue) | | ALTERED ROCKS IN THE VICINITY OF THE COMSTOCK LODE, VIRGINIA RANGE, NEVADA, USING ENHANCED LANDSAT IMAGES ...ALTERED ROCKS IN THE VICINITY OF THE COMSTOCK LODE, VIRGINIA RANGE, NEVADA, USING ENHANCED LANDSAT IMAGES By...areas. The most important deposit is the Cornstock Lode, which produced 192 million troy ounces of silver...band near 2.2 ym produced by clay minerals or alunite, whereas unaltered rocks have no features in this...Scanner (MSS) images for a test area in south-central Nevada. Rowan and others (1974) made gray-tone film positives |  | | Report (issue) | | MINERAL DEPOSITS OF THE RENO 1° x 2° QUADRANGLE, NEVADA, with a comprehensive bibliography by Gary R...Figure 1. Location map of mining districts in the Reno 1° x 2° quadrangle, Nevada..........................Known production from mining districts in the Reno 1° x 2° quadrangle, Nevada..........................of mineral deposits in mining districts of the Reno 1° x 2° quadrangle, Nevada..........................prospects, and claims in the Reno 1° x 2° quadrangle, Nevada.......................................... 19 21 |  | | Report (issue) | | THE TRIASSIC TO JURASSIC MAGMATIC ARC OF WESTERN NEVADA AND EASTERN CALIFORNIA by Jeff L. Doebrich 1 ,...Open-File Report 96-9 Prepared in cooperation with the Nevada Bureau of Mines and Geology This report is preliminary...School of Mines, University of Nevada, Reno, Nevada 89557-0047 'Nevada Bureau of Mines and Geology, MS...MS 178, University of Nevada, Reno, Nevada 89557-0088 'U.S. Geological Survey, Retired, 8920 West 2nd......................................... Quartz-Alunite Epithermal Gold-Silver Veins ................. |  | | Report (chapter) | | Survey, Federal Center MS 964, Denver, CO 80225, USA (e-mail: bberger@usgs.gov) Abstract: High-temperature...sets. The Virginia City and Goldfield mining districts, Nevada, were localized in zones of strike-slip...western margin of North America. The Camp Douglas mining area occurs within the same belt, but is localized...from two economically important precious-metal mining districts (Virginia City, Goldfield) and one economically...Lower to Middle Miocene volcanic centres in western Nevada (Fig. 1). These districts provide insights into |  | | Report (issue) | | University of Nevada, Reno, Nevada 89557-0088, U.S.A. Eiji Izawa, Department of Mining, Faculty of Engineering...Fluid-inclusion and geochemical studies at the Emperor gold mine, Fiji; Unpub. Ph.D. dissertation, University of...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 |  | | Report (issue) | | 1986, Geology and development of the Hishikari mine: Mining Geology, v. 36 (2), no. 196, p. 117. Adams,...Fluid-inclusion and geochemical studies at the Emperor gold mine, Fiji: Unpub. Ph.D. dissertation, University of...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 |  | | Journal (article/letter/editorial) | | Deposition in theTonopah,Comstock Lode, andGoldfieldMiningDistricts,Nevada* Hos• P. TAYLOR,J'R. Abstract...the time of mineralization. ßTuscarora NEVADA 'COMSTOCK %A• ODE rata ß Round Mtn. This shouldsimplifythe...Forester, 1971; Forester and FIG. 1. Index map of Nevada showing locations of the ore Taylor, 1972) that...(•$400 million), and Goldfield (•$100 million) mining districts are among the richest epithermal gold-silverdepositsin...All three of thesemining districtsoccurin western Nevada (see Fig. 1) in gently dipping, Tertiary volcanic |  | | Report (volume) | | Mineral Resources of the Reno 1 o by 2° Quadrangle, Nevada and California U.S. GEOLOGICAL SURVEY BULLETIN...Mineral Resources of the Reno 1 o by 2° Quadrangle, Nevada and California By DAVID A. JOHN, JOHN H. STEWART...mineral resources of the Reno 1o by 2° quadrangle, Nevada and California I by David A. John ... [et al.]...resources-Nevada-Reno Region. 2. Mines and mineral resources-California. 3. Geology-Nevada-Reno Region...deposits 40 Adularia-sericite (Comstock) gold-silver veins 41 Quartz-alunite (acid-sulfate) gold deposits |  | | Report (volume) | | Railroad Valley-Grant Range region, eastcentral Nevada, from interpretation of potential-field anomalies...geology and mineral deposits of the Berenguela district, northwestern Bolivia By Alan R. Wallace, Richard...inclusions in vein quartz from Battle Mountain, Nevada By Edwin H. McKee, James E. Conrad, Brent D. Turrin...White River National Forest and the Dillon Ranger District of the Arapaho National Forest, Colorado By Margo...material along the Getchell trend, Osgood Mountains, Nevada: Implications for gold exploration and the carbon-gold |  | | Book | | f. MIMING DISTRICTS and MINERAL RESOURCES of NEVADA by FRANCIS CHURCH LINCOLN i r r i i ; %■... ; 'jxt . 1 — \ MINING DISTRICTS and MINERAL RESOURCES of NEVADA by FRANCIS CHURCH LINCOLN...LINCOLN 0 ll ; RENO NEVADA NEWSLETTER PUBLISHING COMPANY 1923 PREFACE Earlier Works. The object of...infor mation concerning the mining districts and mineral resources of Nevada. No comprehensive work of...peared for a number of years. In the early days of Nevada min ing, from 1866 to 1878, the field was covered |  | | Report (issue) | | in Progress for the Reno 1° x 2° CUSMAP Project, Nevada, with additional bibliography by Gary B. Sidder...GEOPHYSICS ADDITIONAL STUDIES ADDITIONAL INFORMATION FOR MINING DISTRICTS Shady Run (Fondaway Canyon) Broken Hills...information to Sidder (1986) on deposit types and mining districts in the Reno quadrangle and additional...Water Resources Division (WRD) in Carson City, Nevada, is conducting a major study of the Carson River...gold (Bagby and Berger, 1985; Tooker, 1985) and Comstock-type volcanic-hosted gold (Mosier, Singer, and |  | | 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) | | 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) | | geochemistry of acid-sulfate alteration and vein forming alunite by Robert O. Rye 1 Philip M. Bethke2 Michael D...wall-rock alteration, characterized by the assemblage alunite+kaolinite+ quartz±pyrite, results from base-leaching...andesitic volcanic terrains. In addition, coarse vein alunite may form in a magmatic-steam environment from rapid...oxygen in the carapace of a volcanic edifice. Alunite [KAh(SO4)2(OH)fil contains four stable isotope...measurements have been made on nearly 200 samples of alunite and associated minerals from 20 localities and |  | | Journal (article/letter/editorial) | | geology and mathematics, was received in 1960 from Occidental College (Los Angeles, CA). Bob then moved on...recognized of the potential of the sulfate mineral alunite [KAl3(SO4)2(OH)6], a minor but common mineral in...associated with magmatic activity. He realized that alunite offers an unparalleled opportunity to gain insights...hydrogen isotopic evolution of an ore deposit because alunite can be anchored to specific points in time in the...little was known about isotopic exchange between alunite and water, either with regard to fractionation |  | | Report (issue) | | (clay4white mica), advanced argillic (clay+pyrophyllite+alunite+A^O^ minerals) as they apply. Include skarn mineral...quartz adularia type 5.5 Epithermal Au, quartz alunite type 5.6 Hot spring gold 5.7 Disseminated Hg 5...Norte Cty, CA Santa Helena, Antioquia, Colombia Goto Mine, Luzan, P.I. References Wells, F. G. et al 1946...upward from Mo+Cu to Cu, Au to Zn, Buckingham, Nevada USSR deposits References Blake and others, 1979...(Cyprus), York Harbor, (Canada) Turner-Albright, (USA) References 3.1 (continued) Petersen and Zantop |  | | Report (volume) | | Broken Ridge Area, Southern Wah Wah Mountains, I ron County, Utah By KAREN A. DUTTWEI LER and WALLACE R. GRIFFITTS...Broken Ridge Area, Southern Wah Wah Mountains, Iron County, Utah. (U.S. Geological Survey bulletin ; 1843}...alteration 14 Quartz-fluorite alteration 15 Quartz-alunite alteration 15 15 Geochemistry Petrology of the...Broken Ridge area, southern Wah Wah Mountains, Iron County, Utah FIGURES 1-3. 4-6. 7. 8. 9. 10. 11. ...southwest Utah 1 2. Southwest Utah and eastern Nevada faults and extent of Miocene silicic volcanic rocks |  | | Report (volume) | | Mineral Resources of the Altiplano and Cordillera Occidental, Bolivia By U.S. GEOLOGICAL SURVEY and SERVICIO...mineral resources of the Altiplano and Cordillera Occidental, Bolivia I by U.S. Geological Survey and Servicio...resources-Bolivia-Cordillera Occidental. 3. Geology-Altiplano. 4. Geology-Bolivia-Cordillera Occidental. I. Geological...application of mineral deposit models to classic mining areas in Bolivia. The data that result from these...United States. Bolivia has a long and important mining history, and mineral resources will probably continue |
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