 | | Report (volume) | | Tertiary Volcanic Host Rocks, Sleeper Gold-Silver Deposit, Humboldt County, Nevada Geology and Geochemistry...Tertiary Volcanic Host Rocks, Sleeper Gold-Silver Deposit, Humboldt County, Nevada By J. Thomas Nash, William...Tertiary volcanic host rocks, Sleeper gold-silver deposit, Humboldt County, Nevada I by J. Thomas Nash, William...Gold ores-Geology-Nevada-Humboldt County. 2. Silver ores-GeologyNevada-Humboldt County. 3. Geology, St...Stratigraphic-Tertiary. 4. GeologyNevada-Humboldt County. I. Utterback, W.C. II. Trudel, Wayne S. III. |  | | Report (issue) | | and geochemistry of the Sleeper Gold-Silver Deposit, Humboldt County, Nevada an interim report By J................................................. Mining and exploration history......................................................................... Mine geology...........................................Figure 1. Location and geology setting of the Sleeper mine. Regional geology is simplified from Wilden....... 3 Figure 2. Generalized geology of the Sleeper mine area and western foothills of the Slumbering |  | | Journal (article/letter/editorial) | | Correlations at Buckskin Mountain, National District, Humboldt County, Nevada PETER G. VIKRE† U.S. Geological Survey...Sciences and Engineering, University of Nevada, Reno, Reno, Nevada 89557 Abstract At Buckskin Mountain...Mountain (elev 2,650 m, 8,743 ft), Humboldt County, Nevada, a hydrothermal system, imposed on a middle Miocene...pervasive zones, ~100 to 200 m thick, of quartz + alunite ± hematite and quartz + kaolinite + pyrite in volcaniclastic...timing of subsidence is recorded by a decrease in alunite ages, from ca. 15.8 to 15.6 Ma, with depth below |  | | Journal (article/letter/editorial) | | assemblage include deposits in the Midas (Ken Snyder), Sleeper, DeLamar, Mule Canyon, Buckhorn, National, Hog...groups, high-sulfidation (acid-sulfate, quartz-alunite) and low-sulfidation (adularia-sericite) types...showed that lowsulfidation deposits in northern Nevada could be divided into two subtypes based on their...ve Ri Yellowstone Hot Spot Wyoming 0 Ma 40° Nevada S ie GREAT BASIN rra NNR Utah Ne da va California...tectonic features. Heavy line indicates the northern Nevada rift. The heavy star at the north end of the rift |  | Peters, S.G., Nash, J.T., John, D.A., Spanski, G.T., King, H.D., Connors, K.A., Moring, B.C., Doebrich, J.L., McGuire, D.J., Albino, G.V., Dunn, V.C., Theodore, T.G., Ludington, S.D. (1996) Metallic mineral resources in the U.S. Bureau of Land Management's Winnemucca District and Surprise Resource Area, northwest Nevada and northeast California. Open-File Report Vol. 1996 (96-712) US Geological Survey doi:10.3133/ofr96712 | Report (issue) | | Management's Winnemucca District and Surprise Resource Area, northwest Nevada and northeast California...Ludington3 Open-File Report 96-712 1996 1 Reno, Nevada 89557 2 Denver, Colorado 80228 3 Menlo Park, California...Canada 7 U.S. Bureau of Land Management, Winnemucca, Nevada 89445 This report is preliminary and has not been............................................. 18 Humboldt River porphyry tracL.....................................................31 Epithermal quartz-alunite gold-silver deposits (model 25e of Cox and Singer |  | | 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 |  | | Journal (article/letter/editorial) | | 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 | | | 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 (chapter) | | activity of the Madjarovo base-precious metal ore district, eastern Rhodopes, Bulgaria PETER MARCHEV 1... Madison, WI53706, USA Abstract: The Madjarovo volcanic complex and ore district comprise alteration...nine sanidine, biotite, adularia, K-feldspar, and alunite samples constrain the ages and time span of lavas...thermal event at c. 12-13Ma disturbed the ages of alunite and sericite-bearing alteration at low stratigraphic...al. 1997; Singer & Marchev 2000). Mining at Madjarovo ore district in Bulgaria is believed to have commenced |  | | 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...zinc-lead skarn deposits 38 Deposits related to the Humboldt complex 38 Other deposits 39 Simple antimony deposits |  | | Journal (article/letter/editorial) | | Geosciences, Auburn University, Auburn, AL 36849, USA Department of Geology and Environmental Earth Science...Science, Miami University, Oxford, OH 45056, USA; burkeml2@miamioh.edu Correspondence: saundja@auburn.edu;...discovery of the bonanza Au-Ag deposit in the mid-1980s Nevada, and the previous work on the “gold colloid theory”...topic. The discovery of the bonanza epithermal Sleeper Au-Ag deposit in the mid-1980s in transport can...systems. Further, Herrington and Wilkinson [15] Nevada, and the discovery of nanoparticulate textures |  | | Journal (article/letter/editorial) | | precious-metal mineralization in the southwestern Nevada volcanic field, USA S t e p h e n B. C a s t o r a a n d...i s s b "Nevada Bureau of Mines and Geology, Mackay School of Mines, Universityof Nevada, Reno, NV 89557...89557. USA bDepartment of Geological Sciences, Mackay School of Mines, Universityof Nevada, Reno. NV...NV 89557, USA (Received August 27, 1991; accepted after revision January 27, 1992 ) ABSTRACT Castor, S...southwestern Nevada volcanic field, USA. Ore Geol. Rev., 7: 193-223. The southwestern Nevada volcanic field |  | | Journal (article/letter/editorial) | | 409–424 Geology of the Ivanhoe Hg-Au District, Northern Nevada: Influence of Miocene Volcanism, Lakes...Geological Survey, MS 176, University of Nevada, Reno, Reno, Nevada 89557-0047 Abstract The mercury-gold...mercury-gold deposits of the Ivanhoe mining district in northern Nevada formed when middle Miocene rhyolitic volcanism...west-central part of the district. Thus, although mineralization in the district took place during a span...shorter. The low-sulfidation deposits of the Ivanhoe district formed at the same time and under similar conditions |  | | Journal (article/letter/editorial) | | REVIEWS Minerals of Nevada. STEPHEN B. CASTOR AND GREGORY C. FERDOCK. 502 Pp., 1 map. Nevada Bureau of Mines...Publication 31, University of Nevada Press. 2004. Price US$75. Nevada is well known for its numerous...Carlintype gold deposits that help make Nevada one of the foremost mining regions in the United States. Less...minerals identified in Nevada are 37 minerals that were first described in Nevada. These include several...(Hg3S2Cl2). Minerals of Nevada describes the complex and unusual mineralogy of Nevada and presents 102 color |  | | Journal (article/letter/editorial) | | LONG-LIVED HYDROTHERMAL SYSTEM IN THE FRESNILLO SILVER DISTRICT, MEXICO: CONSTRAINTS FROM 40Ar/39Ar GEOCHRONOLOGY...Environmental Sciences Department, New Mexico Institute of Mining and Technology, Socorro, New Mexico 87801 2New...and Mineral Resources, New Mexico Institute of Mining and Technology, 801 Leroy Place, Socorro, New Mexico...Steam-heated acid sulfate alteration containing alunite veins occurs in Eocene tuffs above some of the...and dikes are the youngest igneous rocks in the district. Spatial association of Tertiary volcanic rocks |  | Nash, J.T., Fey, David L., Motooka, Jerry M., Siems, D.F. (1990) Geochemical analyses of ore and host rocks, Sleeper gold-silver deposit, Humboldt County, Nevada, Part A - Paper copy. Open-File Report Vol. 1990 (90-702) US Geological Survey doi:10.3133/ofr90702a | Report (issue) | | Analyses of Ore and Host Rocks, Sleeper Gold-Silver Deposit, Humboldt County, Nevada by J.T. Nash,* D.L. Fey................................................ 1 Mine geology...........................................localities in the Sleeper mine and vicinity........................ In pocket Map A-Sleeper mine Map B-Area...east of Sleeper mine Figure 1. Map showing location and geologic setting of the Sleeper mine, Humboldt...Humboldt County, Nevada........................................... 2 2. Generalized geology of the Sleeper mine |  | | Journal (article/letter/editorial) | | secondary Au-Agenrichment are associated withopal+ alunite+ kaolinitc+ montmorillonite _ hematiteandweredeposited...SO4thatformedfromtheoxidation of H2Sprior to precipitation of alunite,andthesusceptibility of fine-grained kaolinires...1989).The Great Au-Agdeposit,locatedin northwestern Nevada,nearthe Basinof thewesternUnitedStatesissusceptible...ficial acidsulfatealteration. CurrentAu-Ag(Hg) mining pandedandcontracted according to palcoclimatic...SpringGoldCorporation, 4650SierraMadre#813, fate alteration Reno, Nevada 89502. silicification, resulting in theleaching |  | | Report (issue) | | MANAGEMENT'S WINNEMUCCA DISTRICT AND SURPRISE RESOURCE AREA, NORTHWEST NEVADA AND NORTHEAST CALIFORNIA... MS 176, Mackay School of Mines, University of Nevada, Reno, Reno, NV 89557-0047 CONTENTS Introduction........................................ Northern Nevada Rift ............................................assessment of BLMadministered lands in northwest Nevada and northeast California. The project area is composed...(RAs), totalling 13.5 million acres, in northwest Nevada and northeast California (figs. 1, 2). The SonomaGerlach |  | John, D. A., Hofstra, A. H., Fleck, R. J., Brummer, J. E., Saderholm, E. C. (2003) Geologic Setting and Genesis of the Mule Canyon Low-Sulfidation Epithermal Gold-Silver Deposit, North-Central Nevada. Economic Geology, 98 (2) 425-463 doi:10.2113/gsecongeo.98.2.425 | Journal (article/letter/editorial) | | Low-Sulfidation Epithermal Gold-Silver Deposit, North-Central Nevada DAVID A. JOHN,† U.S. Geological Survey, 345 Middlefield...Company, Yanacocha, Peru Abstract The Mule Canyon mine exploited shallow, low-sulfidation, epithermal Au-Ag...the west side of the Northern Nevada rift in northern Lander County, Nevada. Mule Canyon consists of six...e-mail, djohn@usgs.gov *Present address: Newmont Mining Corp., PO Box 388, Valmy, NV 89438. 0361-0128/01/3335/425-39...basalt-rhyolite magmatism in the Great Basin, such as Sleeper, Midas, and Buckhorn. Major differences at Mule |  | | Journal (article/letter/editorial) | | Gold Company, 9670 Gateway Drive, Suite 200, Reno, Nevada 89521. 0361-0128/07/3685/923-26 et al., 1995;...for rocks surrounding epithermal deposits at Sleeper, Nevada, United States, and Mount Muro, Kalimantan...San Cristóbal 54Ma El Peñón 52-53Ma property/ district 24° La Escondida deposit El Soldado 51-53Ma...supergene minerals consisting of kaolinite, gypsum, alunite, jarosite, and Fe and Mn oxyhydroxides that fill...Muro, Indonesia, and Sleeper, Nevada, United States The Mount Muro and Sleeper epithermal Au-Ag deposits |  | Doebrich, Jeff L., Albino, G.V., Barker, C.E., Duffield, W.A., Dunn, V.C., Hanna, W.F., McFarlan, J.P., McGuire, D.J., Miller, M.S., Peters, S.G., Plouff, Donald, Raines, G.L., Sawatasky, D.L., Spanski, G.T. (1994) Resource assessment of the Bureau of Land Management's Winnemucca District and Surprise Resource Area, Northwest Nevada and Northeast California. Open-File Report Vol. 1994 (94-712) US Geological Survey doi:10.3133/ofr94712 | Report (issue) | | MANAGEMENT'S WINNEMUCCA DISTRICT AND SURPRISE RESOURCE AREA, NORTHWEST NEVADA AND NORTHEAST CALIFORNIA...Field Office, Mackay School of Mines, University of Nevada, Reno, NV 89557-0047 2U.S. Geological Survey, Unit...Winnemucca District and Surprise Resource Area, an area covering 13.5 million acres in northwest Nevada and...impact of mine dewatering on drainage basin groundwater resources (for example, the Humboldt River drainage...part of their Resource Management Plan for the District/Resource Area or for other planning units such |  | | Report (issue) | | Sonora, Mexico Greg E. McKelvey, Phelps Dodge Mining Company Brenda B. Houser, Past-President, Arizona...explore the mining history and mineral deposits of one of the country's most important mining regions; further...cyanide and toxic metals released from the Summitville mine on downstream water supplies and crops. The distribution...distribution and movement of metals from mining districts of Coeur D'Alene, Idaho, and Rio Tinto, Spain...analysis to investigate the environmental impact of mining in the southeastern San Juan Mountains and adjacent |  | | Report (issue) | | wu OUTLINE OF NEVADA MINING HISTORY— Joseph V: Tingley a RobertC.Horton _ Francis C. Lincoln 3 . ...Publication of this new edition of “Outline of Nevada Mining History” was made — possible with the assistance...eh aa nearly 48 million acres of public land in Nevada. Most of the minerals, _ _ geothermal energy, and...ahij 4 = Wh A a ‘ a a y 4 Pte Es in Nevada comes from publicland. First edition, first printing...Leshendok, U.S. Bureau of Land Management Eric Moody, Nevada Historical Society é Jon Price, National Research |  | | Report (volume) | | and Gold Depo~its, Tonopah.l,0 X,2° Qu.adrangle, Nevada~ Description and Applications to Exploration~ ...and gold deposits, Tonopah 1° x 2° quadrangle, Nevada: description and applications to exploration I...3:2077 1. Gold mines and mining-Nevada-Tonopah region. 2. Gold mines and mining-Nevada-Tonopah region. I. Title................................. . Northumberland Mine ................................................................................... . Wall Canyon Mine ............................................... |  | | Report (issue) | | of the Arizona Geological society, society for Mining, Metallurgy and Exploration Inc., and the U. s...We also want to thank collectively, all of the mining companies and staff who graciously allowed us to...ALONG THE 1-80 CORRIDOR, RENO TO BATTLE MOUNTAIN, NEVADA R. Cuffney, R. Atkinson and R. Buffa Revised 1990...north-south ranges of central and northeastern Nevada (Fig. I). These belts, or their extensions, contain...vast majority of precious metal deposits found in Nevada to date. Our trip begins in the Walker Lane mineral |
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