 | | 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) | | telluride attributed to the Boly Fields mine, Lumpkin County, Georgia, was available for $800 from a...Tucson Gem and Mineral Show. The tiny Boly Fields mine closed about 1845, and, although the locality is...known for a single discovery of large masses of gold and tellurobismuthite (“tetradymite”), virtually...important with respect to value, if nothing else. Gold specimens touted to be from localities that were...to late-1800s things began to change. Attractive gold specimens became increasingly available from a wide | | | 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) | | Geology Auburn University Auburn, Alabama 36849-5305 GOLD! Downloaded by [Stockholm University Library] at...at 00:24 13 August 2015 Jamestown, Tuolumne County, California FROM THE COLLECTOR’S STANDPOINT it may...may be more difficult to acquire a good gold specimen than any other generally familiar, readily available...with papers dealing in all aspects of gold geology, metallurgy, mining, and utilization; those interested...interested in delving deeper into gold should consider the excellent historical and geological summary by Boyle |  | | Report (issue) | | "Whatever is gold does not glitter. A gentle radiance belongs to the Friedrich Nietzsche, The Wanderer...5.1 cm high from Eagle's Nest mine in Placer County, Caifornia, USA Collection Marlin Zinn; photo Jeff...photo Left: A wall of gold bricks in the Federal Reserve Bank of New York's gold vault Photo Robert Gambee...Crystallized gold from Canada Private collection; Jeff Scovil photo extraLapis English No. 5 Gold The Noble...International, LLC P.O. Box 263, East Hampton, CT 06424, USA Phone 1.860.267.1512; fax 1.860.267.7225 www.lapisint |  | Foley, Nora K., Caddey, Stanton W., Byington, Craig B., Vardiman, David M. (1993) Mineralogy, mineral chemistry, and paragenesis of gold, silver, and base-metal ores of the North Amethyst vein system, San Juan Mountains, Mineral County, Colorado. Professional Paper 1537. US Geological Survey doi:10.3133/pp1537 | Report (issue) | | Mineralogy, Mineral Chemistry, and Paragenesis of Gold, Silver, and Base-Metal Ores of the North Amethyst...Amethyst Vein System, Sari Juan Mountains, Mineral County, Colorado U.S. GEOLOGICAL SURVEY PROFESSIONAL... Mineralogy, Mineral Chemistry, and Paragenesis of Gold, Silver, and Base-Metal Ores of the North Amethyst...Amethyst Vein System, San Juan Mountains, Mineral County, Colorado By NORA K. FOLEY, STANTON W. CADDEY, CRAIG...Mineralogy, mineral chemistry, and paragenesis of gold, silver, and base-metal ores of the North Amethyst |  | | Journal (article/letter/editorial) | | 02138 francis@eps.harvard.edu I e ee on Russian Gold 0 0 Slls All photos by Jeff Scovil of specimens...the gold mining districts of Russia, the history of their discovery, their geology, and their gold production...American collectors have ever had to study Russian gold specimens. What is their actual experience of seeing...Russian gold are much better in Europe than in North America. The impressive nuggets of gold (and platinum)...notably Krantz, were the important sources of Russian gold specimens for American collectors. Leibov is frank |  | | Book | | f. MIMING DISTRICTS and MINERAL RESOURCES of NEVADA by FRANCIS CHURCH LINCOLN i r r i i ; %■... ; 'jxt . 1 — \ MINING DISTRICTS and MINERAL RESOURCES of NEVADA by FRANCIS CHURCH LINCOLN...LINCOLN 0 ll ; RENO NEVADA NEWSLETTER PUBLISHING COMPANY 1923 PREFACE Earlier Works. The object of...infor mation concerning the mining districts and mineral resources of Nevada. No comprehensive work of...peared for a number of years. In the early days of Nevada min ing, from 1866 to 1878, the field was covered |  | | Report (issue) | | ................................. The Tonopah district. . . . . . . . . . . . . . . . . . . . . . . ... Stephanite (?) ........................... . Electrum .............................. . Selenium ......Carbo:Q.ate-sulphide aggregates ........... . Electrum .............................. . Summary of evidence.... . :Minerals noted ......................... . Gold ................................... . Silver .....Extension mine. II. A, B, Supposed hypogene veinlets of pyrargyrite, Tonopah Extension mine; C, Breccia |  | | Book | | stumble over a valuable nugget and stake your own mining claim? Indeed it to is, and author book Jay...prospecting, he points out, is in abandoned mining districts, where valuable mineral ores are present...commercial ores and secondary minerals by state, county, township, and geologic range. For easy identification...RANSOM 1875-1948 An to the Eastern '‘Schoolmarm” Mining Camps of the Old West I I a s I \ h K... CONTENTS Preface ix PART I 1 Introduction to Mining and Mineralogy 2 Preparation for Mineral Collecting |  | Wang, Xu, Qin, Wenqing, Jiao, Fen, Yang, Congren, Cui, Yanfang, Li, Wei, Zhang, Zhengquan, Song, Hao (2019) Mineralogy and Pretreatment of a Refractory Gold Deposit in Zambia. Minerals, 9 (7) 406 doi:10.3390/min9070406 | Journal (article/letter/editorial) | | Article Mineralogy and Pretreatment of a Refractory Gold Deposit in Zambia Xu Wang 1 , Wenqing Qin 1, *,...Engineering, Drexel University, Philadelphia, PA 19102, USA Correspondence: qinwenqing369@126.com (W.Q.); jfen0601@126...2019 Abstract: The technological mineralogy of a gold deposit located in North-Western province of Zambia...microscope (SEM). The results showed that gold was highly dispersed in gold-bearing minerals such as pyrite, arsenopyrite...some gangues in the form of natural gold and electrum. The gold grade in the mineral was 15.96 g/t and |  | | Journal (article/letter/editorial) | | Geology and Geotectonic Classification of Pan-African Gold Mineralizations in the Red Sea Hills, Sudan a a...Geology and Geotectonic Classification of Pan-African Gold Mineralizations in the Red Sea Hills, Sudan, International...Geology and Geotectonic Classification of Pan-African Gold Mineralizations in the Red Sea Hills, Sudan YOUSIF...08:57 26 December 2012 Abstract Hundreds of ancient gold mines and prospects are known in the Red Sea Hills...tectono-stratigraphic sequence. The genesis of the gold expresses three geotectonic events that have left |  | | Journal (article/letter/editorial) | | Prague 2,Czech Republic Abstract Orogenic gold deposits with gold of low-fineness are relatively rare in...important, with total production of about 6 t of gold between 1895 and 1930. The ore is related to an...quartz stockwork and is represented by sulfide and electrum impregnations within the quartz gangue and the...varies from 4 to 25 g/t Au. The gold is present as macroand microscopic electrum (fineness 658–665) and also...also as “invisible gold” in the crystal structure of early sulfides (As-rich pyrite and Sb-rich arsenopyrite) |  | | Conference Proceedings (Volume) | | copper mine in the very north of Sweden. Mining operations started in 1968 and the current mining depth...copper, 51 700 tonnes of silver and 1,9 tonnes of gold. Photo: Olof Martinsson, Luleå University of Technology...Alazar Y. Billay Modelling target maps of future gold occurrences with combination of categorical and...area of the Kristineberg VHMS deposit, Skellefte district, Sweden .......................................A. Massive Zn-Cu-Pb deposits in the Røros ore district, Norway: setting and formation ............. |  | | Book (edition) | | OX5 1 GB, UK 225 Wyman Street, Waltham, MA 02451, USA Copyright © 2015, 2008 Elsevier B.V. All rights reserved...Average Hardness Soft minerals, such as galena or gold, are very difficult to polish without any scratches;...certain degree of bending, while some metals, such as gold, may be deformed into very thin sheets. The term...intergrowth of sphalerite (medium grey) and chalcopyrite (yellow); black smoker. Right (bottom): Fibrous radially...then replaced. Right (top): “Dusty” chalcopyrite (yellow) in sphalerite (grey); black smoker. Right (second |  | | Report (issue) | | BONANZA ORES OF THE COMSTOCK LODE, VIRGINIA CITY, NEVADA. By EDSON S. BASTIN. INTRODUCTION. ' \ 1 i ) ...periods in the long and diversified history of mining on the Comstock lode the engineering problems of...of handling the treacherous floods of hot mine waters and the problems involved in the struggles for...all others in influencing the progress of deep mining. Yet more fundamental than these or other problems...comparatively poor in gold and silver, then little encouragement to deep mining is offered. With the steady |  | | Report (issue) | | 8494 LjJ I en S5 ^s CALIFORNIA STATE MINING BUREAU. Henry G. Hanks, State Mineralogist. ...provide for the establishment and maintenance of a Mining Bureau," approved April 16, 1880. to : I have...For the past year, satisfactory progress The Mining Bureau Museum floor. and thoroughly still ...abroad which cannol be The publications of the Mining Bureau should be sold supplied. at actual cost—...there are a large number of pamphlets, circulars, mining companies' reports, proceedings of societies, etc |  | | Journal (article/letter/editorial) | | of Geology and Mineral Deposits, University of Mining and Metallurgy, Cracow, Poland Precious Metal...limestone located in the western part of the Lubin mine have been investigated. They contain: A u - A g...native lead and plumbian gold which is related to an admixture of AuPb2, electrum (Ag2Au). Clausthalite...Kupferlagerstdtten des Zeehstein (Kupferschiefer}, Polen Gold und PGE-fahrende Proben yon organogenem Kalkstein...Sobolevskit (PdBi), gediegen Blei und bleireiches Gold. Letzteres ist mit einer AuPb2-Ag2 Au-Verwachsung |  | | Book (edition) | | Chapters on the Coeur d'Alene Mining District, the Blackbird Mining District, and the Sawtooth Mountains...Chapters on the Coeur d'Alene Mining District and the Blackbird Mining District, and to Ben Sheppard for reviewing...reviewing the chapter on the Blackbird Mining District. Those who contributed photographs, or specimens...or a vein of massive pyrite and chalcopyrite in a mine, so references such as these were not included....for a particular mineral may be a certain mine, but that mine may now have a new name, or may now be a |  | | Journal (issue) | | GOLD PROSPECTING BUYER'S GUIDE Toll Free: (800)257-4211 suoolv. Inc. Toll Free Fax: (800)257-4244...1¾'x% ' ......... ....... 0.40 WONDER GOLD PAN - 85% more gold trapping area than conventional pans....action and trapping. High impact green color for best gold visibility. Weighs just 16 oz. M0500 .. ..........lb ............ $12.95 GOLD MAGNET -For attracting magnetic sands from gold concentrates. Unique design........ $6.95 GOLD BOTTLE SNIFTER - A hand tool for extracting gold and values from a gold pan with suction |  | | Journal (issue) | | Place Tucson, AZ 85741 ‘ Continued on page 111 Gold! Introduction G old notes from the e d i t o r ...Birch 5 California The history of crystallized gold in C a lif o r n ia ................ 33 by W. C...otable gold occurrences of G eorgia & A labam a . . . . 65 by R. B. C ook N o rth C arolina gold ........hat's new in gold? Venezuelan gold (by W. E. W ilson) .......................... 89 A rizona gold (by W. E...89 Siberian gold (by W. E. W ilson) ................................. 89 C alifornia gold (by D. L e ic |  | | Book (edition) | | Silicides Copper I/A.01-10 4 Silver I/A.01-20 6 Gold I/A.01-40 8 Auricupride I/A.01-50 10 Amalgam I/A...Alloys and Alloy-like Compounds, with Copper, Silver, Gold and Nickel Algodonite II/A.01-10 Domeykite II/A...Tellurium < 1:1, Tellurides with Copper, Silver and Gold Linnaeite II/D.01-20 320 Polydymite II/D.01-30 322...Silver and Gold Series I/A.01-10 Copper I/A.01-15 Allabogdanite I/A.01-20 Silver I/A.01-40 Gold I/A.01-50...Silver and Gold Series I/A.01-10 Copper I/A.01-15 Allabogdanite I/A.01-20 Silver I/A.01-40 Gold I/A.01-50 |  | | Journal (issue) | | Cooper Nottingham, England Anthony R. Kampf L.A. County Mus. of Nat. Hist. Los Angeles, CA Joseph A. Mandarino...Articles Large barite crystals from the Elandsrand gold mine, South A fr ic a ...............................rhodochrosite, Benitoite, Gold L.A. County Paterson (NJ), Brumado district Museum, Himalaya mine $10 (Brazil), Bosch...Pit (PA-MD), Mcguinnessite v Pereta Mine (Italy), Cetine Mine (Italy) v Mineral Fraud, LeadhillsWanlockhead...$10 v .15/#5 Jacupiranga mine (Brazil), Jensen quarry (CA), Cunha Baixa mine, Paulkerrite $10 .16/#4 |  | | Journal (article/letter/editorial) | | Epithermal Au-Ag Deposits, Ancestral Cascades Arc, USA: Evidence for a Primitive Mantle Volatile Source...Epithermal Au-Ag Deposits, Ancestral Cascades Arc, USA: Evidence for a Primitive Mantle Volatile Source...Epithermal Au-Ag Deposits, 2 Ancestral Cascades Arc, USA: 3 Evidence for a Primitive Mantle Volatile Source...Laboratory, P.O. Box 25046, MS 973, Denver, CO 80225, USA *Corresponding Author: amanning@usgs.gov Phone:...37 epithermal Au-Ag deposits in southwestern Nevada, USA. Ar and Ne are mainly atmospheric, 38 whereas |  | | Report (issue) | | " ; ^,- • ^... -'--' . CALIFORNIA STATE MINING BUREAU. Henry G. FIFTH Hanks, State Mineralogist...provide for the establishment and maintenance of a Mining Bureau," approved April 16, 1880. I have the honor... REPORT. The Act creating the California State Mining- Bureau, approvides for an annual report by the...statistical information in reference to mines and mining as shall be deemed important." In obedience to...Mineralogist, has been prepared. The prosperity of the Mining Bureau, and the growth and progress of the State |
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