 | | Journal (article/letter/editorial) | | Sinter-Vein Correlations at Buckskin Mountain, National District, Humboldt County, Nevada PETER G. VIKRE† U.S...Engineering, University of Nevada, Reno, Reno, Nevada 89557 Abstract At Buckskin Mountain (elev 2,650 m, 8,743...743 ft), Humboldt County, Nevada, a hydrothermal system, imposed on a middle Miocene volcanic sequence...resistance among altered and unaltered rocks, Buckskin Mountain represents inverse topography with sinter...K-feldspar + K-mica + quartz + pyrite and distal illite + chlorite + calcite + pyrite. Mixing of sinter-vein |  | | Journal (article/letter/editorial) | | PreciousMetal Vein Systemsin the National District, Humboldt County, Nevada PETER G. VIKRE ASARCOInc., Great...Reno, Nevada 89502 Abstract The National district, 20 miles (33 km) southeastof McDermitt, Nevada, produced...quartz-sulfide-silicate veins near the townsiteof National and on Buckskin Mountainoccurwithin a 3,000-ft-thick (910...associatedrhyolitesare • 18 to 15 m. y. old. The volcanicpile at National is highlyfaultedand depositsare localizedwithin...of the Owyheevolcanicplateau. Wall rock in the district is progressivelyhydrolyzed and sulfidized to assemblages |  | | Journal (article/letter/editorial) | | CO 80401, USA; tmonecke@mines.edu FLUID INC., 1401 Wewatta St. #PH3, Denver, CO 80202, USA; fluidinc@comcast...samples from the Buckskin National low-sulfidation epithermal precious metal deposit in Nevada showed that...epithermal quartz veins from the Sleeper deposit in Nevada forms dendrites intergrown with fine-grained colloform...veins from the Buckskin National low-sulfidation epithermal gold–silver deposit in Nevada. Both silica...Epithermal Buckskin National Deposit in Nevada 7 of 18 7 of 18 3. Epithermal Veins from the Buckskin National |  | | Journal (article/letter/editorial) | | particularly IS epithermal orebodies in any particular district, irrespective of whether or not paleosurface features...lessacidic conditions (Fig. 3). Minor disseminated pyrite can occur in the proximal portions of steam-heated...alteration peripheral to the La Coipa HS-IS gold-silver district, Chile. f Hydrothermal breccia, generated by shallow-seated...and LS types (Wind Mountain, Hycroft [Crowfoot-Lewis], and Florida Canyon, Nevada; Wood 1991; Ebert and...and staining developed by supergene oxidation of pyrite ± marcasite are commonplace. Much of the silica |  | | Report (volume) | | SMITH, DIRECTOR BULLETIN 601 OF THE NATIONAL MINING DISTRICT, NEVADA BY WALDEMAR LINDGREN WASHINGTON................................... 17 National mining district....................................................................... Prospecting and mining............................................. Leasing..................................... Rocks from National mine...................................... Relations.............................. Gold shoot of the National mine.................................... Genesis |  | | Journal (article/letter/editorial) | | Photograph of large naumannite (nm) dendrites from Buckskin National, which were apparently replaced by chalcopyrite...layer similar to electrum dendrites at Sleeper, Nevada (Saunders, 1994; Saunders and Schoenly, 1995)....minerals, and the reevaluation of many historic mining districts that took place in the latter half of...Hog Ranch 5. Hycroft 6. Sleeper 7. National 8. Buckskin National 1, 2 1 1 1, 2 1, 2 9. Midas 1, 2...Ortiz 3, 4 30. Central City 3, 4 31. Boulder County 3, 4 32. Black Hills 3, 4 33. Golden Sunlight |  | | Journal (article/letter/editorial) | | THE GEOLOGY MARCH-APRIL, MINING HENRY DISTRICTS 1929 No. 2 OF NEVADA. G. FERGUSON3 ABSTRACT....representedin Nevada;theearliestoredeposits areassociated withgraniticrocks,which in western Nevada were intruded...geographicand geologicdistributionof the ore depositsof Nevada. The wr{ter's personalacquaintance with the regionis...publicationgiving the mostcompletedescriptionof the district. Of the 319 descriptions of miningdistrictsof...MineralResources of Nevada," Nevada Newsletter Publishing Co., Reno, •923. THE MINING MAJOR DISTRICTS |  | | 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) | | derived from mafic magmas likely related to northern Nevada rifting processes and/or to the arrival of the...3 Yellowstone 1.3 2.0 0.6 HS (B) Northern Nevada 'Bonanza' ores B 17 Boise Table 1. Pb Isotope...Seven Troughs 3 Rosebud 4 Tenmile 5 Winnemucca Mountain 6 Golden Amethyst 15 7 Sandman 8 New Alma 9...McDermitt 12 National 13 Midas 14 Ivanhoe 15 Mule Canyon 16 DeLamar 17 Florida Mountain 18 War Eagle...Eagle Mountain FIG. 1. (A) Map showing the locations of northern Nevada bonanza deposits and Columbia River |  | | 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 |  | | Report (issue) | | characterized by the assemblage alunite+kaolinite+ quartz± pyrite, results from base-leaching by fluids concentrated...isotope data on alunite and associated kaolinite and pyrite are powerful tools in determining the environment...of formation. Analyses of alunite from over 20 mining districts and geothermal fields suggest that the...environment also has S^S near that of associated pyrite and SD close to meteoric water but associated kaolinite...has 834S values 16 to 28%o larger than associated pyrite, S18O$o4 of 10 to 15%o, 8D of -45 to -80%o and |  | | 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 |  | | Report (volume) | | 'r v.·,,.,. . ... Placer Gold Deposits of Nevada By MAUREEN G. JOHNSON GEOLOGICAL SURVEY BULLETIN...------------------------ 1 History of placer mining in Nevada_____________________________________... Holy Cross district..-----------------------------------------------2. Jessup district.. ____________...------------------------_-------_ 3. Sand Springs district----------------------------------------------...Eldorado Canyon district..-----------------------------------------5. Gold Butte district-------------- |  | | Journal (article/letter/editorial) | | Snyder), Sleeper, DeLamar, Mule Canyon, Buckhorn, National, Hog Ranch, Ivanhoe, and Jarbidge districts; high-sulfidation...production continues today from large deposits at Round Mountain, Midas, and Rawhide (Fig. 2). As shown by many...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 |  | | Report (issue) | | characterized by the assemblage alunite+kaolinite+ quartz±pyrite, results from base-leaching by fluids concentrated...Salvador, Chile; Rodalquilar, Spain and Goldfield, Nevada. Supergene alunite has S^S virtually identical...steam-heated environments, such as those at the Tolfa district, Italy and Marysvale, Utah, and numerous modern...and precious-metal ore deposits such as at Buckskin, Nevada. Initial 8 18OsO4 and 834S values are kinetically...as Summitville, Colorado; Julcani, Peru and Red Mountain, Lake City, Colorado are characterized by vertical |  | | Report (issue) | | Charles G. Cunningham, U. S. Geological Survey, 959 National Center, Reston, Virginia 22092, U.S.A. Dianne...Dianne L. Seay, U. S. Geological Survey, 913 National Center, Reston, Virginia 22092, U.S.A. George E. Ericksen...Ericksen, U. S. Geological Survey, 954 National Center, Reston, Virginia 22092, U.S.A. Open-File Report...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 |  | | Journal (article/letter/editorial) | | CONNOISSEUR'SCHOICE Downloaded by [National Sun Yat-Sen University] at 17:16 27 December 2014 PAUL...PAUL W. POHWAT Department of Mineral Sciences National Museum of Natural History Smithsonian Institution...pohwatp@si.edu FLUORITE Elmwood Mine, Carthage, Smith County, Tennessee R egular readers of this column will...at the National Museum of Natural History (Smithsonian Institution). Downloaded by [National Sun Yat-Sen...sphalerite, 8.8 cm high, from the Elmwood mine, Smith County, Tennessee. Note the gemmy corners of the cube |  | Páez, G.N., Ruiz, R., Guido, D.M., Ríos, F.J., Subias, I., Recio, C., Schalamuk, I.B. (2016) High-grade ore shoots at the Martha epithermal vein system, Deseado Massif, Argentina: The interplay of tectonic, hydrothermal and supergene processes in ore genesis. Ore Geology Reviews, 72. 546-561 doi:10.1016/j.oregeorev.2015.07.026 | Journal (article/letter/editorial) | | constitutes an important economic factor for the mining ⁎ Corresponding author at: Instituto de Recursos...discovered by Yamana Resources Inc. in 1997 and mining operations started at 2001, during early 2002 the...surface (Páez et al., 2011; Páez, 2012). Underground mining have been conducted on Francisca, Catalina, Belén...no associated ore minerals except for traces of pyrite and arsenopyrite. 5.1.2. Episode 2 The second episode...characterized by the deposition of coarse-grained pyrite (up to 1 cm wide) carrying numerous sulfide and |  | 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...the west side of the Northern Nevada rift in northern Lander County, Nevada. Mule Canyon consists of six...(propylitic). All alteration types contain abundant pyrite and/or marcasite ± arsenopyrite. Field relations...ores consist of disseminated and vesicle-filling pyrite, marcasite, and arsenopyrite in argillically altered...Au-bearing arsenopyrite and arsenian pyrite overgrowths on earlier-formed pyrite and marcasite. Open-space filling |  | | Report (issue) | | at room temperature Modified from Los Alamos National Laboratory Chemistry Division; available at http://periodic...areas). Sample is from the Buckskin National Mine, Humboldt County, Nevada. Photograph by Peter Vikre.............................................Q21 National Institutes of Health recommended dietary reference...Abstract Selenium (Se) was discovered in 1817 in pyrite from copper mines in Sweden. It is a trace element...bedrock with high selenium concentrations. Selenium mining, processing, use in industrial and agricultural |  | | Report (issue) | | Buckindy drilling....................... 3. Fortress Mountain.................................. 4. Milt Creek......................................... 5. Red Mountain Ridge................................. 6. Crown..................................... 9. Bannock Mountain................................... 10. Pass Creek................................... 14. West Red Mountain.................................. 15. Deerfly..... 21. Buckskin Mountain.................................. 22. North side = Dumbell Mountain........ |  | | Journal (article/letter/editorial) | | depending on success of exploration and depth of mining. Finally, we are consuming gold from epithermal...EPITHERMAL DEPOSITS Cripple Creek Tayoltita Round Mountain Porgera Sleeper Depth (km 1 2 A 3 4 35...In a few epithermal deposits, such as Ivanhoe, Buckskin, and McLaughlin, the paleosurface is preserved...Proterozoic-age, relatively unmetamorphosed Mahd adh Dhahab district in Saudi Arabia (Doebrich, 1984; Afifi, 1990)...Kelly, Acupan, Antamok, and Baco in the Baguio district, are so large that, even though they are linked |  | | Report (issue) | | CONTRIBUTIONS TO THE GOLD METALLOGENY OF NORTHERN NEVADA Richard M. Tosdal editor Open-File Report 98-338-6...Contributions to the gold metallogeny of northern Nevada Preface R.M. Tbsdfl/.............................understanding the crustal structure near the Battle Mountain-Eureka mineral trend from geophysical constraints...Regional crustal structure beneath the Carlin Trend, Nevada, based on deep electrical geophysical measurements...and its relation to gold belts in north-central Nevada: Overview and progress report V.J.S. Grawc/i.. |  | | Report (issue) | | and Mesozoic Rocks Exposed in Central Elko County, Nevada By Keith B. Ketner Open-file report No. 75-213...Mountains Formation------------------ 47 Devonian--Nevada Formation------------------------ -------------...Range, the Elko Hills, the Peko Hills, Double Mountain area, and adjacent small exposures. The first...and are still useful. The Merrimac mining district at Lone Mountain was discussed briefly by W. H. Emmons...done by S. F. Emmons. Lovejoy's work at Lone Mountain (1959) was the first careful detailed study in |
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