 | | Report (issue) | | DATA FOR GOLD-BEARING ROCKS FROM THE GOLDFIELD MINING DISTRICT, NEVADA By Roger P. Ashley and Geoffrey G...LIST OF TABLES Table 1. Geochemical data for Goldfield silicified rocks................................OF ILLUSTRATIONS Figure 1. Map of Goldfield mining district, Nevada, showing locations of analyzed gold-bearing..............3 INTRODUCTION The Goldfield mining district, Nevada, is located within a 48-km2 area underlain...(Ashley, 1974,1975). The bonanza gold ores of the district were found mainly in silicified zones in a 1.3-km2 |  | | Report (issue) | | Metals in Silicified Rocks of the Goldfield Mining District, Nevada GEOLOGICAL SURVEY PROFESSIONAL ...Metals in Silicified Rocks of the Goldfield Mining District, Nevada By R. P. ASHLEY and W. GEOLOGY ...GEOCHEI\1ISTRY OF THE GOLDFIELD MINING GEOLOGICAL SURVEY PROFESSIONAL DISTRICT, PAPER NEVADA 843-B Exploration...Exploration and geochemistry of the Goldfield mining district, Nevada UNITED STATES GOVERNMENT PRINTING...of the Goldfield Mining District, Nevada. (Geology and geochemistry of the gold mining district, Nevada) |  | | Report (issue) | | GEOCHEMICAL EXPLORATION FOR GOLD DEPOSITS AT GOLDFIELD, NEVADA By Roger P. Ashley and William J. Keith U...exploration at Goldfield Other references 7 - 8 GEOCHEMICAL EXPLORATION FOR GOLD DEPOSITS AT GOLDFIELD, NEVADA...in the 40 km hydro thermally altered area at Goldfield is to decide which of the many silicified ledges...supergene leaching. INTRODUCTION The Goldfield mining district is located 250 km northwest of Las Vegas...5 million troy ounces (46,000 kg) silver. The district includes 40 km of hydrothermally altered rocks |  | | Report (issue) | | Diffraction Pattern: Mohawk mine, Goldfield district, Esmeralda Co., Nevada, USA. 2.974 (100), 1.821 (32), 3...100.00 (1) Mohawk mine, Goldfield mining district, Esmeralda Co., Nevada, USA; average electron microprobe...volcanic rocks. Association: Quartz, pyrite, a Ag-Bi-(S,Se) phase (holotype); quartz, pyrite, calaverite, bismuthinite...Distribution: From the Mohawk mine, Goldfield mining district, Esmeralda Co., Nevada, USA. Name: Prefix, stibio, identifies |  | Biagioni, Cristian, Sejkora, Jiří, Musetti, Silvia, Makovicky, Emil, Pagano, Renato, Pasero, Marco, Dolníček, Zdeněk (2022) Stibiogoldfieldite, Cu12(Sb2Te2)S13, a new tetrahedrite-group mineral. Mineralogical Magazine, 86 (1) 168-175 doi:10.1180/mgm.2021.107 | Journal (article/letter/editorial) | | from the Mohawk mine, Goldfield mining district, Esmeralda County, Nevada, USA. It occurs as metallic...associated with quartz, pyrite and an Ag–Bi–(S,Se) phase (holotype material) and with quartz, pyrite, calaverite... tellurium, crystal structure, Goldfield mining district, Nevada, USA (Received 3 November 2021; accepted...(Cu4□2)Cu6Te4S13; its type locality is the Mohawk mine, Goldfield, Nevada, USA. In fact, chemical data available for samples...stibiogoldfieldite, as anhedral grains up to 0.6 mm across in quartz. Field of view: 1.2 mm (a) and 0.6 mm (b). (c, |  | | Report (chapter) | | Survey, Federal Center MS 964, Denver, CO 80225, USA (e-mail: bberger@usgs.gov) Abstract: High-temperature...fault 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...economically important precious-metal mining districts (Virginia City, Goldfield) and one economically less-important...Lower to Middle Miocene volcanic centres in western Nevada (Fig. 1). These districts provide insights into |  | Abrams, Michael J., Ashley, R.P., Rowan, L.C., Goetz, A.F.H., Kahle, A.B. (1977) Use of imaging in the 0.46-2.36 [micrometers] spectral region for alteration mapping in the Cuprite mining district, Nevada. Open-File Report Vol. 1977 (77-585) US Geological Survey doi:10.3133/ofr77585 | Report (issue) | | FOR ALTERATION MAPPING IN THE CUPRITE MINING DISTRICT, NEVADA By Michael J. Abrams Jet Propulsion Laboratory...Illustrations Page Figure 1. 2. Cuprite mining district, Nevada. A, Geologic map. £, Color ratio composite...of altered and unaltered rocks at Cuprite mining district 4 12 Table Table 1. Bandwidths of channels...FOR ALTERATION MAPPING IN THE CUPRITE MINING DISTRICT, NEVADA By Michael J. Abrams, 1 Roger P. Ashley...iron-deficient opalites in the Cuprite mining district, Nevada, have an Intense OH-absorption band near |  | | Report (issue) | | DISCRIMINATION OF ROCK TYPES AND ALTERED AREAS IN NEVADA BY THE USE OF ERTS IMAGES PREPARED IN COOPERATION...OF HYDROTHERMALLY ALTERED AREAS IN SOUTH-CENTRAL NEVADA BY THE USE OF COMPUTER-ENHANCED ERTS IMAGES By...----------------------Geology of the Goldfield mining district -------------------------------Structural...scene -----------------------------ERTS mosaic of Nevada showing location of study area --------Geologic...the Goldfield mining district __ Golor aerial photograph of part of the Goldfield mining district __ _ |  | | Report (issue) | | Deposits-Part I The Goldfield Gold District, Esmeralda and Nye Counties, Nevada By ROGER P. ASH LEY ...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 (issue) | | MULTISPECTRAL IMAGES CUPRITE MINING DISTRICT, ESMERALDA COUNTY, NEVADA By R. P. Ashley and M. J. Abrams...reflectance characteristics of rocks in the Cuprite district MSDS color-ratio composite ——————————————————————————————————...Cuprite mining district, Nevada —————— 2 Hydrothermal alteration map of the Cuprite mining district, rJo^...Color aerial photograph showing the Cuprite mining district- 6 4. Graph showing average spectral reflectance...envelopes for unaltered rocks of the Cuprite mining district including basalt and 5. 6. 7. 8. 9. Spearhead |  | | Report (issue) | | PHOTOGRAPHY FROM THE GOLDFIELD MINIITG DISTRICT, E3MERALDA AITD NYE COUJITIES, NEVADA T>y Roger P. Ashley...field area Ore producing areas, Gqldfield mining district Color print and overlays, Area 1 Color print...PHOTOGRAPHY FROM THE GOLDFIELD MINING DISTRICT, ESMERALDA AND NYE COUNTIES, NEVADA Site 75 5 Mission ...Geological Survey Introduction General. The Goldfield mining district is in the western part of the Basin and...Altitudes range from about 5500 to 6900 feet. The district is underlain predominantly by volcanic rocks |  | | Report (issue) | | ON IN THE TONOPAH MINING DISTRICT AND VICINITY, NYE AND ESMERALDA COUNTIES, NEVADA!/ 2/ 3/ 3/ M. L....standards I/ Prepared in cooperation with the Nevada Bureau of Mines and Geology 2/ United States Geological...Geological Survey, Menlo Park, CA 3/ Nevada Bureau of Mines and Geology, Reno, NV Radiometric Ages of...on in the Tonopah Mining District and Vicinity, Nye and Esmeralda Counties, Nevada M. L. Silberman, H...mineralization in the Tonopah mining district and vicinity carried out by members of the Nevada Bureau of Mines and |  | | Report (issue) | | University of Nevada, Reno, Nevada 89557-0088, U.S.A. Eiji Izawa, Department of Mining, Faculty of Engineering...Minera S.A., 72 p. Ashley, R. P., 1974, Goldfield mining district, jLn Guidebook to the geology of four...four Tertiary volcanic centers in central Nevada: Nevada Bureau of Mines and Geology Report 19, p. 49-66...Relation 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) | | Geology and development of the Hishikari mine: Mining Geology, v. 36 (2), no. 196, p. 117. Adams, S....v. 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....Relation 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) | | Elen1ents Near Ore Bodies in the Oxidized Zone at Goldfield, Nevada GEOLOGICAL SURVEY PROFESSIONAL SPOkANE~...Elements Near Ore Bodies in the Oxidized Zone at Goldfield, Nevada By R. P. ASHLEY and]. P. ALBE~S GEOLOGY...GEOLOGY AND GEOCHEMISTRY OF THE GOLDFIELD MINING .DISTRICT, NEVADA GEOLOGICAL SURVEY PROFESSIONAL PAPER...prospecting in the hydrothermally altered area at Goldfield ·.': '• !.'· UNITED STATES GOVERNMENT PRINTIN·G...zone at Goldfield, Nevada. (Geology and geochemistry of the Goldfield Mining District, Nevada) (Geological |  | | 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) | | NUCLEAR WASTE REPOSITORY SITE, SOUTHERN NYE COUNTY,NEVADA Compiled by Suzanne C. Fouty Open-file Report...SITE, SOUTHERN NYE COUNTY, NEVADA Yucca Mountain, located in southern Nye County, Nevada is currently being... 3T* CO 1 1 18* 00' 1 17* 00' SCALE V . NEVADA 10 FIGURE 1 20 20 30 KILOMETERS LOCATION...1972, Geology and mineral deposits of Esmeralda County, Nevada: Nevada Bureau Mines Bulletin 78, PI. 1, 1:250... Preliminary geologic map of the Goldfield mining district, Nevada: U.S. Geological Survey Miscellaneous | | | 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 (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 (issue) | | Lapidary and Minerals ............... 4 Legendary Goldfield—Short but Sweet! ............................... 15 Manganese Nodules and the CIA’s Deep Ocean Mining Venture ....................... 16 Drop of Water...silver had been mined, but it was not like other mining areas such as Virginia City which followed a vein...know where to dig next. They mentioned that other mining had occurred there many years ago, such as for...California. They mentioned that there was even a mining ghost town where people claim to have heard strange |  | | Report (issue) | | Crystals of Coexisting Alunite and Jarosite, Goldfield, Nevada By WILLIAM J. KEITH, LEWIS CALK, and R. P...Crystals of Coexisting Alunite and Jarosite, Goldfield, Nevada, by William J. Keith, Lewis Calk, and R. P...exposed. age that occur niorth of the Vermilion district and The northern boundary of the Vermilion Granitic...volcanic and sedimentary rocks of the Vermilion district (Sims, 1976). We 1 Minnesota Geological Survey...Precambrian W) age that occur north of the Vermilion district and south of the Kabetogama peninsula in northern |  | | Journal (article/letter/editorial) | | Of the constituentmineralslisted, some (such as quartz and the feldspars,for example) do not produce any...Laboratory Procedures Western Nevada Localities in Western Nevada was chosen for a series of Land-...J8- Locality Goldfield mining Quadrangle map name Section, township, range Goldfield Sec. 10, T....43 E. Goldfield Sec. 5, T. 3 S., R. 42 E. Goldfield Sec. 7, T. 3 S., R. 42 E. Goldfield Secs. 9...43 E. Goldfield Sec. 12, T. 3 S., R. 43 E. Goldfield Sec. 34, T. 2 S., R. 43 E. Goldfield Sec. 2 |  | | Journal (article/letter/editorial) | | anhydrous and reduced mineral assemblages (e.g., quartz + fayalite rhyolites). Eruptive forms include mafic...between the magnetitewustite and fayalite-magnetite-quartz oxygen buffers for this magmatic assemblage. The...assemblage and include the Comstock Lode, Tonopah, Goldfield, Aurora, Bodie, Paradise Peak, and Rawhide deposits...Famous districts include Comstock Lode, Tonopah, Goldfield, Aurora, and Bodie, and significant production...into two groups, high-sulfidation (acid-sulfate, quartz-alunite) and low-sulfidation (adularia-sericite) |  | | Journal (article/letter/editorial) | | Lipman (1980) and was ing igneousactivity for the Nevada-Utah area based interpretedby them as a subduction-related...regardingthe Pine Grove deposit(Abbottand ago in Nevada, magmatism changed dramatically Williams, 1981;Tafuri...Climax type. White et al. (1981) list Cumo in their quartz monzonitecategory which,basedonthecharacteristics...of our "alkalic leucogranite"class,however, tive quartz q- K-feldsparq- Na-plagioclase q- leucite)diagramfor...White et al. (1981)distinguishes Climax-typefrom quartz monzonitemolybdenumsystems.Our objectionsto the |  | | Report (issue) | | SURVEY GEOCHEMISTRY OF THE ALTERED AREA AT GOLDFIELD, NEVADA, INCLUDING ANOMALOUS AND BACKGROUND VALUES...---- Illustrations Page Figure 1. Map of Goldfield, Nev., and vicinity, showing areas df hydrothermal...113 Geochemistry of the altered area at Goldfield, Nevada, including anomalous and background values...sampling program carried out in the Goldfield mining district, Esmeralda and Nye Counties, Nev. Geochemical...were collected from a 15-square-mile area at Goldfield which is underlain by hydrothermally altered volcanic |
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