 | | 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) | | Geography, Auburn University, Auburn, AL 36849, USA; E-Mail: saundja@auburn.edu; Tel.: +1-334-844-4884...sulfidation (LS) epithermal deposits in the western USA often show evidence of the former presence of nanoparticle-sized...the banded bonanza veins typical of many western USA epithermal deposits. Chalcopyrite is the most abundant...of these Tertiary banded bonanza ores in western USA (Figure 1) reveal some universal features in these...hand-sample scale: (1) fine-grained quartz (and locally opal) textures implying former presence of amorphous |  | | Journal (article/letter/editorial) | | CO 80401, USA; tmonecke@mines.edu FLUID INC., 1401 Wewatta St. #PH3, Denver, CO 80202, USA; fluidinc@comcast...plant in New Zealand are composed of noncrystalline opal-A that deposited rapidly from cooling geothermal...low-sulfidation epithermal precious metal deposit in Nevada showed that colloform bands in these veins exhibit...bands were originally composed of noncrystalline opal-A that subsequently recrystallized to quartz. The...low-sulfidation epithermal deposits. Keywords: silica sinter; opal-A; recrystallization; colloform quartz; epithermal |  | Saunders, J. A., Unger, D. L., Kamenov, G. D., Fayek, M., Hames, W. E., Utterback, W. C. (2008) Genesis of Middle Miocene Yellowstone hotspot-related bonanza epithermal Au–Ag deposits, Northern Great Basin, USA. Mineralium Deposita, 43 (7) 715-734 doi:10.1007/s00126-008-0201-7 | Journal (article/letter/editorial) | | epithermal Au–Ag deposits, Northern Great Basin, USA J. A. Saunders & D. L. Unger & G. D. Kamenov & M...Auburn University, 210 Petrie Hall, Auburn, AL 36849, USA e-mail: saundja@auburn.edu G. D. Kamenov Department...Williamson Hall, P.O. Box 112120, Gainesville, FL 32611, USA M. Fayek Department of Geological Sciences, University...89445, USA Present address: D. L. Unger Victoria Resources, 240 S. Rock Blvd., Reno, NV 89502, USA textures...gels) from super-highgrade banded ores from the Sleeper deposit show that oreforming solutions had δ18O |  | | Journal (article/letter/editorial) | | derived from mafic magmas likely related to northern Nevada rifting processes and/or to the arrival of the...consist of veins with variable amounts of quartz, opal, and adularia; electrum (Au-Ag alloy) and naumannite...3 Yellowstone 1.3 2.0 0.6 HS (B) Northern Nevada 'Bonanza' ores B 17 Boise Table 1. Pb Isotope...Amethyst 15 7 Sandman 8 New Alma 9 Jumbo 10 Sleeper 11 McDermitt 12 National 13 Midas 14 Ivanhoe 15...FIG. 1. (A) Map showing the locations of northern Nevada bonanza deposits and Columbia River Basalt (CRB) |  | | Journal (article/letter/editorial) | | Miocene bonanza epithermal ores from northern Nevada, USA James A. Saunders 1 & Michelle Burke 2 & Matthew...ubiquitous co-deposition of silica nanoparticles (as opal) in these oreforming systems. It is possible that...handling: B. Lehmann * James A. Saunders 1 Auburn, AL, USA 2 Department of Geology and Environmental Earth...University, 118 Shideler Hall,, Oxford, OH 45056, USA 3 Department of Geology, Kansas State University...University, 108 Thompson Hall,, Manhattan, KS 66506, USA they must be dispersed in a stable manner in another |  | Saunders, James A., Mathur, Ryan, Kamenov, George D., Shimizu, Toru, Brueseke, Matthew E. (2016) New isotopic evidence bearing on bonanza (Au-Ag) epithermal ore-forming processes. Mineralium Deposita, 51 (1) 1-11 doi:10.1007/s00126-015-0623-y | Journal (article/letter/editorial) | | 36849, USA 2 Department of Geology, Juniata College, 1700 Moore Street, Huntingdon, PA 16652, USA 3 ...Williamson Hall, P.O. Box 112120, Gainesville, FL 32611, USA 4 Magma-hydrothermal deposits Research Group, Geological...Geology, Kansas State University, Manhattan, KS 66506, USA consistent with ore textures that indicate physical...map showing deposits or districts in the western USA and Japan where we recognize colloid aggregation...Cu isotope data from epithermal ores from western USA and Japan, along with well-constrained new Pb and |  | | 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...partially leached epiclastic deposits and rhyolite by opal-A marks the termination of the two hydrothermal...conduits in rhyolite and initially crystallized as opal and chalcedony. The low thermal conductivity of |  | | 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) | | the genesis of bonanza Au-Ag ores of the Sleeper deposit, Nevada J.A. Saunders, P.A. Schoenly Department...Geology,Auburn University,Auburn, AL 3684%5305, USA Received: 29 November 1993/Accepted: 23 May 1994...composition for bonanza oreforming fluids at the Sleeper deposit was calculated by the computer program...factor in the genesis of bonanza Au-Ag ores at the Sleeper deposit. Geochemical modelling of possible ore-forming...base-metal sulfides, and are commonly intergrown with opal or fine-grained silica (Buchanan 1981; Saunders |  | | Journal (article/letter/editorial) | | TEXTURES IN BONANZA ORES OF THE SLEEPER DEPOSIT, HUMBOLDT COUNTY, NEVADA: EVIDENCE FOR COLLOIDS AND IMPLICATIONS...Sleeperprovidessomeusefulconstraints posit, Humboldt County, Nevada, exhibit textural on ore-formingprocesses...of the bonanzaportionsof theseveinsapparently Sleeper ores. This communicationpresentsaddiformedat depths(...HumboldtCounty, The millimeter-scalebandingin bonanzaore at Nevada,approximately 45 km northwestof WinneSleeper provides...in the bandedbonanza ore hasnotbeenobservedat Sleeper,precludingthe useof fluidinclusionmicrothermometry |  | 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) | | assemblage include deposits in the Midas (Ken Snyder), Sleeper, DeLamar, Mule Canyon, Buckhorn, National, Hog...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...Walker Lane belt from Stewart (1988). NNR = northern Nevada rift, SM = Steens Mountain. mineral assemblages |  | 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............................Study Areas and other areas in the Winnemucca District and Surprise Resource Area for which resource |  | | 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) | | 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 |  | Tharalson, Erik, Monecke, Thomas, Reynolds, T., Zeeck, Lauren, Pfaff, Katharina, Kelly, Nigel (2019) The Distribution of Precious Metals in High-Grade Banded Quartz Veins from Low-Sulfidation Epithermal Deposits: Constraints from µXRF Mapping. Minerals, 9 (12) 740 doi:10.3390/min9120740 | Journal (article/letter/editorial) | | of Mines, 1516 Illinois Street, Golden, CO 80401, USA; tmonecke@mines.edu (T.M.); lzeeck@mines.edu (L.Z...80202, USA; fluidinc@comcast.net Bruker Nano Analytics, 415 N Quay Street, Kennewick, WA 99336, USA; Nigel...deposits worldwide, including Buckskin National in Nevada [14]; Hokuryu Minerals 2019, 9, 740; doi:10.3390/min9120740...Ivanhoe in Nevada [14]; Koryu in Japan [7,12]; Kushikino in Japan [5]; and Midas in Nevada [9]. Some of...deposit in Nevada, and the Sado Kinzan deposit in Japan. The Hokuryu deposit in the Omu mining camp of Hokkaido |  | | 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 |  | | Journal (article/letter/editorial) | | Occurrences of dendritic gold at the McLaughlin Mine hot-spring gold deposit R.L. Sherlock 1, N.J. Lehrman...Columbia, V6T lZ4 Homestake Mining Company, 1375 Greg St. Suite 105, Sparks, Nevada, 89431 Received: 24 January...McLaughlin Mine. The most abundant occurrence is hosted by amber-coloured hydrocarbon-rich opal. Silica...grow. In a manner similar to the amber-coloured opal, the dendrites may have formed by scavenging particulate...including, the McLaughlin Mine, the Geysers Geothermal System and the Sulphur Bank Mine, are associated with |  | | 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 |  | | Report (issue) | | Annotated Bibliography and Preliminary Survey of Nevada Paleobotany by Howard E. Schorn 1 - 2 , Christopher...Quadrangle Appendix B: Bibliography Cross-Referenced by County/Quadrangle Appendix C: Bibliography Cross-Referenced...groups of the Nevada Bureau of Land Management, Nevada Bureau of Mines and Geology, Nevada Department of...of Transportation, Nevada Parks and Recreation, the Nevada State Museum, and geologists, paleontologists...Annotated Bibliography and Preliminary Survey of Nevada paleobotany arranged alphabetically by author and/or |  | | Journal (article/letter/editorial) | | 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...fresh-water Sleeper 41'15' -tog Ranch >z Sulphur (abandoned) o ø e.> HUMBOLDT COUNTY ß-r' PERSHING...PERSHING COUNTY ... I I ;rofoot/Lewis Mine the basin 12 km north of the Crofoot-Lewismine (Garside et |  | Leavitt, E. D., Spell, T. L., Goldstrand, P. M., Arehart, G. B. (2004) Geochronology of the Midas Low-Sulfidation Epithermal Gold-Silver Deposit, Elko County, Nevada. Economic Geology, 99 (8) 1665-1686 doi:10.2113/gsecongeo.99.8.1665 | Journal (article/letter/editorial) | | Low-Sulfidation Epithermal Gold-Silver Deposit, Elko County, Nevada E. D. LEAVITT,† Department of Geological Sciences...Sciences, Mail Stop 172, University of Nevada, Reno, Reno, Nevada 89557-0001 T. L. SPELL, Department of...Geoscience, University of Nevada, Las Vegas, 4505 Maryland Parkway, Las Vegas, Nevada 89154-4010 P. M. GOLDSTRAND...GOLDSTRAND, Bureau of Mining Regulation and Reclamation, 333 W. Nye Lane, Carson City, Nevada 98706 AND G. B...Geological Sciences, Mail Stop 172, University of Nevada, Reno, Reno, NV 89557-0001 Abstract The Midas |  | | 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...Muro, Indonesia, and Sleeper, Nevada, United States The Mount Muro and Sleeper epithermal Au-Ag deposits...0 $6.00 Mount Muro, Indonesia The Mount Muro district in the northern Barito province of central Kalimantan |
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