 | | 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...BUCKSKIN MOUNTAIN in the National district, Humboldt County, Nevada, altered and mineralized volcanic...combined to reveal much of the hydrothermal system; mine workings and exploration drill holes provide additional |  | | Journal (article/letter/editorial) | | CO 80401, USA; tmonecke@mines.edu FLUID INC., 1401 Wewatta St. #PH3, Denver, CO 80202, USA; fluidinc@comcast...low-sulfidation epithermal precious metal deposit in Nevada showed that colloform bands in these veins exhibit...low-sulfidation epithermal quartz veins from the Sleeper deposit in Nevada forms dendrites intergrown with fine-grained...low-sulfidation epithermal gold–silver deposit in Nevada. Both silica deposits are composed of silica microspheres...Deposit in Nevada 7 of 18 7 of 18 3. Epithermal Veins from the Buckskin National Deposit in Nevada 3.1. |  | | 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...Western Americas such as Comstock and Tonopah, Nevada, Creede, Colorado, Fresnillo and Guanajuato, Mexico |  | Theodore, T. G., Kotlyar, B. B., Singer, D. A., Berger, V. I., Abbott, E. W., Foster, A. L. (2003) Applied Geochemistry, Geology, and Mineralogy of the Northernmost Carlin Trend, Nevada. Economic Geology, 98 (2) 287-316 doi:10.2113/gsecongeo.98.2.287 | Journal (article/letter/editorial) | | and Mineralogy of the Northernmost Carlin Trend, Nevada TED G. THEODORE,† BORIS B. KOTLYAR, DONALD A. SINGER...King Midas Resources, Ltd., 3841 Amador Way, Reno, Nevada 89502 AND ANDREA L. FOSTER U.S. Geological Survey...interpretations of geochemical halos in the Carlin trend. District-scale geochemical patterns of several elements...theodore@usgs.gov 0361-0128/01/3329/287-30 $6.00 Nevada (Fig. 1). The study enhances ongoing efforts to...Getchell Area of Figs. 2–4 Ivanhoe Independence District Pinson Dee Bootstrap North Star Betze/Post Carlin |  | | 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 |  | | 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...and dikes are the youngest igneous rocks in the district. Spatial association of Tertiary volcanic rocks...sulfate alteration, and epithermal veins makes the district ideal for evaluating the temporal relations between |  | | Journal (issue) | | stock with a fine-toothed comb - perhaps to find a sleeper or something odd or uruque because of some knowledge...pinkish masses of crystalline calcite from Brewster County, Texas. A 1934 article by C. L. Brock in Rocks...;aterial came from the Little 38 mine in the Terlingua mercury mining district miles west of the Cbisos Mountains...information, it did keep the dumps of the little 38 mine from being plundered and specimens could still be...Ojuela mine. Mapimi, Durango, Mexico would be worth several hundred if from lhe Wolftone mine in Leadville |  | Yesares, Lola, Sáez, Reinaldo, Nieto, José Miguel, de Almodóvar, Gabriel Ruiz, Cooper, Stephen (2014) Supergene enrichment of precious metals by natural amalgamation in the Las Cruces weathering profile (Iberian Pyrite Belt, SW Spain) Ore Geology Reviews, 58. 14-26 doi:10.1016/j.oregeorev.2013.10.004 | Journal (article/letter/editorial) | | Mineralogical studies conducted on samples from the active mine workings indicate that Hg and precious metals occur...approximately 24 km NW of Seville (Spain). The mining project is currently operated by Cobre Las Cruces...Cruces, a local subsidiary of the Immet Mining Corporation and Leucadia National Corporation. The present...present project involves the open pit mining and hydrometallurgical processing of 17.6 Mt of 6.2% Cu ore in...in a leaching plant close to the mine site. The current 12-year mining plan estimates the production of |  | | Journal (issue) | | Cooper Nottingham, England Anthony R. Kampf L.A. County Mus. of Nat. Hist. Los Angeles, CA Joseph A. Mandarino...gratifying. One young mineralogist, a former student of mine, said that although he had never met Mike, he had...doubt, be much silver. Subsequently a well-equipped mining expedition was dispatched to the site, but after...captain Juan de Villarroel, who was involved in mining at Porco about 75 km away. He had been chasing...Cotamito and a man named Santandia, and they began mining the rich surface ores. Production continued through |  | Echavarria, L., Nelson, E., Humphrey, J., Chavez, J., Escobedo, L., Iriondo, A. (2006) Geologic Evolution of the Caylloma Epithermal Vein District, Southern Peru. Economic Geology, 101 (4) 843-863 doi:10.2113/gsecongeo.101.4.843 | Journal (article/letter/editorial) | | Geologic Evolution of the Caylloma Epithermal Vein District, Southern Perú LEANDRO ECHAVARRIA,* ERIC NELSON...silver- and base metal-rich Caylloma epithermal district in the Tertiary volcanic belt of southern Perú...system are exposed to the west and southwest in the district. Evidence from sulfur isotopes and high-salinity...silver- and base metal-rich Caylloma epithermal district is located about 150 km north of Arequipa (Fig...ESCHAVARRIA ET AL. FIG. 1. Location map of the Caylloma district, showing the principal Neogene calderas (gray) |  | Christie, A. B., Simpson, M. P., Brathwaite, R. L., Mauk, J. L., Simmons, S. F. (2007) Epithermal Au-Ag and Related Deposits of the Hauraki Goldfield, Coromandel Volcanic Zone, New Zealand. Economic Geology, 102 (5) 785-816 doi:10.2113/gsecongeo.102.5.785 | Journal (article/letter/editorial) | | minerals and vein textures. Mineral Production Mining history Alluvial gold was discovered near Coromandel...deposits, 0361-0128/98/000/000-00 $6.00 little mining activity occurred until the discovery of Au-bearing...veins in 1861 in what was to become the Kapanga mine (Fig. 2, Table 1). Prospecting elsewhere in the...major period of gold mining ended with the closure of the underground Martha mine at Waihi in 1952, although...The recent phase of gold mining began in 1988 with the Martha open-pit mine at Waihi, which to December |  | Obushkov, A. V., Struzhkov, S. F., Natalenko, M. V., Ryzhov, O. B., Kryazhev, S. G., Radchenko, Yu. I. (2010) Geology and mineralogy of ore at the hidden Engteri Au-Ag deposit, the Magadan Region. Geology of Ore Deposits, 52 (6) 459-478 doi:10.1134/s1075701510060036 | Journal (article/letter/editorial) | | Sh. 129, Str. 1, Moscow, 113545 Russia b Dukat Mining and Geological Company, Proletarskaya ul. 13, Magadan...deposits grows: the Birkachan deposit in Russia, the Sleeper and Rosebud deposits in the United States, the...(OChVB). The deposit was discovered by the Omsukchan Mining and Geological Company (Sorokin and Gotier, 2005)...development will prolong the life of the Julietta Mine by a few years. The Enteri deposit has been chosen...6025, modified after the data of the Omsukchan Mining and Geological Company. (1–3) Early Cretaceous |  | | Book | | Springer Geology: Heidelberg, Germany; New York, NY, USA; Dordrecht, The Netherlands; London, UK, 2012; p...History Museum, Cromwell Road, London SW7 5BD, UK Mining State University St. Petersburg, 21st Line, St...spectrometer (Bruker Corporation, Billerica, MA, USA) operated with the X-band microwave frequencies at...excimer laser probe (Thermo Scientific, Waltham, MA, USA) [12]. The laser had a pulse rate of 20 Hz, a speed...National Institute of Standards and Technology, USA (NIST SRM 610, 612 and 614). In addition, the NIST |  | | Book | | Springer Geology: Heidelberg, Germany; New York, NY, USA; Dordrecht, The Netherlands; London, UK, 2012; p...History Museum, Cromwell Road, London SW7 5BD, UK Mining State University St. Petersburg, 21st Line, St...spectrometer (Bruker Corporation, Billerica, MA, USA) operated with the X-band microwave frequencies at...excimer laser probe (Thermo Scientific, Waltham, MA, USA) [12]. The laser had a pulse rate of 20 Hz, a speed...National Institute of Standards and Technology, USA (NIST SRM 610, 612 and 614). In addition, the NIST |  | | Journal (issue) | | crystal with calcite, 6.5 cm, from the Cosq uez mine, Colombia; found in 1998. Scott Rudolph collection............................................... 22 Mine Exploitation (or not) Today ................................................................. 28 Mining Methods .........................................of the world-renowned naturalist Alexander von Humboldt. Monumentally sized, highly realistic paintings...geology, mining techniques, mineralogy, and specimen-collecting aspects of the Colombian emerald-mining region |  | | Conference Proceedings (Volume) | | copper mine in the very north of Sweden. Mining operations started in 1968 and the current mining depth...area of the Kristineberg VHMS deposit, Skellefte district, Sweden .......................................A. Massive Zn-Cu-Pb deposits in the Røros ore district, Norway: setting and formation ................Matos The Jörn granitoid complex, Skellefte mining district, Sweden: petrography, lithogeochemistry and...for VHMS deposits, Kristineberg area, Skellefte District, Sweden ..................................... |  | | Book | | variety amethyst, sceptre habit, Denny Mountain, King County, Washington, U.S.A. / Photo by Ken Mayer Production...1000° Mots inc. Native Gold on Quartz, Paymaster mine, South Porcupine, Ontario / Photo by Brian Boyle...Marquis imprimeur inc. Barite on Quartz, Rock Candy mine, Grand Forks, British Columbia / Photo by Ken Mayer...Mayer Publisher Pyromorphite, Society Girl mine, Moyie, British Columbia / Photo by Ken Mayer Mineralogical... Ontario Canada Diopside on Grossular, Jeffrey mine, Asbestos, Quebec / Photo by Jeffrey A. Scovil |  | | Journal (volume) | | By Eichard E. Chism, By George Frederick Kxjnz Mining Laws of Mexico. Precious Stones of Mexico. sion...By William P. . Blake, The Mining 94 100 140 156 163 179 216 District of Pachuca, Mexico. By Ezequiel...Ezequiel Ordon’EZ, Statistics of the Mining and Metallurgical Industry of the State of Nuevo Leon, Mexico...Mexico. By Edward Halse, Mexican Railroads and the Mining Industry. By Luis Salazar, Notes on the Potable...Harvey Weed, 396 444 vin CONTENTS. PAGE The District of Hidalgo Del Parral, Mexico, in 1820. By Norbeeto |  | | Book | | Enterprises, PO Box 213, Livermore, California, 94551, USA. Because of space limitations, only a subset of the...Hidden Valley Road, Kingsport, Tennessee, 37663, USA. The authors appreciate the advice and kind assistance...City, Nevada, USA; Peter Embrey, London, England; Jessie Hardman, Long Beach, California, USA; and Barbara...Barbara Nichols, Livermore, California, USA. All of these colleagues made helpful comments and substantive...Enterprises PC Box 213 Livermore California 94551 USA Elemental Table “Element” Aluminum Amide Ammonium |  | | Report (issue) | | Place, P.O. Box 9140 Boulder, Colorado 80301-9140 USA 2007 Copyright © 2007, The Geological Society...Place, P.O. Box 9140, Boulder, Colorado 80301-9140, USA. Copyright is not claimed on any material prepared...Place, P.O. Box 9140, Boulder, Colorado 80301-9140, USA www.geosociety.org Printed in U.S.A. GSA Books Science...epithermal deposits of México, examples of which have a mining history going back to pre-Columbian times. The...Yale University, New Haven, Connecticut 06520-8109, USA ABSTRACT The Sierra Madre Occidental is the result |  | | Book | | all of the Soviet republics were discovered. The mining industry developed actively. The same goes for...several reviews on new minerals in ,,Gornyi zhurnal» (Mining Journal) in [5 18-522) and later prepared a comprehensive...Moscow (385 mineral species), and the Mining Museum, St. Petersburg Mining Institute (225 mineral k About...Mineralogical Museum of RAS, Moscow, and the Mining Museum, St. Petersburg Mining Institute.' Some SEM-photos were... Svirina, and N.Yu. Pitomtseva (Mining Museum, St. Petersburg Mining Institute); G.E Anastasenko, M.D |  | | Report (volume) | | Clearance Center, 27 Congress Street, Salem, MA 01970, USA: the item-fee code for this publication is 03058719/02/S15...Chippenham, UK Distributors USA AAPG Bookstore PO Box 979 Tulsa OK 74101-0979 USA Orders: Tel. +1 918 584-2555...porphyry copper deposit in the Panagyurishte ore district, Srednogorie zone, Bulgaria: U-Pb zircon geochronology...activity of the Madjarovo base-precious metal ore district, eastern Rhodopes, Bulgaria 137 KROHE, A. &...western High Atlas (Morocco): the High Seksaoua mining district. 247 YAKUBCHUK, A. The Baikalide-Altaid, |  | | Journal (volume) | | VENTING 74 Accidents, Chinese Laws Concerning Mine.. Accidents During Second Ten Days of Month Accidents...in Ohio, 1911 Accidents, To Decrease Anthracite Mine Account, Profit, and Loss Accumulations of Gas,...535 400 636 83 409 Page Antiseptic Treatment of Mine Timbers Antitrust Laws and the Coal Industry Apparatus...Appointment of H. M. Inspectors Appointment of Ohio Mine Inspectors Appropriations for Bureau of Mines, Recom-...Lubrication Air Humidifier, An Effective Air, Humidifying Mine 535, Air- Lift Agitation of Slime Pulp Alabama, |
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