 | | Journal (issue) | | and mouth disease the trip to Namibia and Tsumeb mine was an unforgettable adventure and resounding success;...some delicious strawberries and cream. HOW TO FIND GOLD AND CATCH PIRANHA IN SOUTH AMERICA Peter Moore armed...from his school into the South American jungle in Guyana. This was a real physical and mental challenge... Peter had discovered that gold was the most important export for Guyana (formerly British Guiana) and...and arranged a collecting visit to the Omai Gold mine. This mine has been in operation for over a ·100 |  | | Journal (issue) | | Booming mine capadty to meet falling demand: RSI Copper NtuJ Y01't-"The growth in new copper mine capacity...increase of the last five years... [but] strong mine production growth and an ---------------------,...contribute to a real dollar decline in Western world mine operating costs over the rest of the decade." Another...AFP investment is the low-risk San Antonio copper mine, a part of Codelco's El Salvador division. San Antonio...Shops Div and formation of a new Radomiro Tomic mine division. Topics still under discussion include |  | | Journal (article/letter/editorial) | | 48, no. 2, 237–250, 1998 Intrusion-Related Vein Gold Deposits: Types, Tectono-Magmatic Settings and Difficulties...Difficulties of Distinction from Orogenic Gold Deposits Richard H. SILLITOE and John F. H. THOMPSON Abstract:...Abstract: A spectrum of intrusion-related vein gold deposits is recognized. Representative examples are...Such intrusions, which may host major bulk-mineable gold deposits, were emplaced along the landward sides...for vein and, by extrapolation, other styles of gold mineralization, not all of them fully appreciated |  | Barkov, Andrei Y., Shvedov, Gennadiy I., Flemming, Roberta L., Vymazalová, Anna, Martin, Robert F. (2017) Melonite from Kingash and Kuskanak, Eastern Sayans, Russia, and the extent of Bi-for-Te substitution in melonite and synthetic Ni(Te,Bi)2–x. Mineralogical Magazine, 81 (3) 695-705 doi:10.1180/minmag.2016.080.119 | Journal (article/letter/editorial) | | NiTe2, named after its type locality, the Melones mine, at Carson Hill in the Mother Lode Belt, Calaveras...accessory constituent of the ore at the Robb-Montbray mine in northwestern Québec, Canada. Although melonite...maucherite), native elements and alloys (copper, bismuth, awaruite, Au-Ag-Hg alloys), and various species...melonite from: Stanislaus mine, California, USA (Pemberton, 1983); Strathcona mine (Rucklidge, 1969), Sudbury...deposit, India (Krishna et al., 1980); Yokozuru mine, Japan (Shimada et al., 1981); Ivrea–Verbano complex |  | | Journal (article/letter/editorial) | | West Africa: The World’s Premier Paleoproterozoic Gold Province* Richard J. Goldfarb,1, 2,†Anne-Sylvie...approximate 10,000-metric ton (t) gold endowment, is one of the world’s great gold provinces and the largest...largest Paleoproterozoic gold-producing region. The gold resources are concentrated within the 2250 to 2000...major orebodies are best classified as orogenic gold deposit types, although there are paleoplacer and...belts, and perhaps local intrusionrelated gold systems. The gold-hosting, mainly greenschist metamorphic |  | | Journal (issue) | | Continued on page 4 Zinc mine output up, lead down: ILZSG London-World mine output of zinc rose 51,000mt...current LME three-months prices of about $6,370/ml "Mine production will at least stop falling next year..." one Malaysian trader added, pointing out that mine output is likely to match domestic consumption of...Dodge number one, followed by Freeport Copper & Gold. Other favorites were RTZ, BHP, Cyprus-Amax, Asarco...privatizing copper-zinc mine: The Hungarian government plans to sell a copper and zinc mine with estimated recoverable |  | | Journal (article/letter/editorial) | | Article Physicochemical Conditions of Formation for Bismuth Mineralization Hosted in a Magmatic-Hydrothermal...quiescent periods where Bi–Cu–Pb–Zn ore formed. Bismuth ore precipitation is characterized by Bi-sulfides...geothermobarometry, a thermodynamic model for bismuth species was constructed. Sulfur and tellurium fugacities...magmatic-hydrothermal breccias; bismuth mineralization; thermodynamic model; bismuth and tellurium fugacities;...Francisco de los Andes deposit hosts the largest bismuth concentration in a hydrothermal breccia Mendoza |  | | Journal (issue) | | Precious Metals Gold breaks free of trading range; buoyed by technicals New Yo,k-The gold price broke out...highest in several months. Gold Breaks Out O Trading Range Comex Nearby Gold Contract, $/oz 382 - - -......., 1..Jun 1-J\A 1-Aug 1-Sep 1-0d 1-Nov Gold has begun to show signs of life after languishing...catalyst for the move was the expiration of COMEX gold futures options. Most analysts noted that the initial...options play, as some traders attempted to boost spot gold above the $390 strike price of the expiring options |  | | Journal (issue) | | lion's share of that increase would come form new mine projects, notably the Voisey Bay discovery, of which...satisfactory levels. Subsequently, the incorporation of new mine production capacity could depress that price around...decade the startup will be required every year of a mine equivalent to the original Escondida project (320...completely harmless to the environment Phihppines copper mine to reopen: Atlas expansion projects designed to...copper mine in central Cebu province. Over the next 90 days, a due diligence study of the mine will be |  | | Journal (article/letter/editorial) | | identified by chemical microanalysis alone. Keywords: bismuth chalcogenides, tetradymite series, system Bi–Te–Se–S...par la Rédaction) Most-clés: chalcogénures de bismuth, série de la tétradymite, système Bi–Te–Se–S, systématique...Introduction Mineral species of bismuth with tellurium, selenium and sulfur (bismuth chalcogenides) occur in...magmatic, hydrothermal or metamorphogenic gold, copper–gold and polymetallic ores (Afifi et al. 1988b...of Bi tellurides and selenides as accessories in gold–silver ores of various types, as much as the material |  | Maslennikov, V. V., Maslennikova, S. P., Large, R. R., Danyushevsky, L. V., Herrington, R. J., Stanley, C. J. (2013) Tellurium-bearing minerals in zoned sulfide chimneys from Cu-Zn massive sulfide deposits of the Urals, Russia. Mineralogy and Petrology, 107 (1) 67-99 doi:10.1007/s00710-012-0230-x | Journal (article/letter/editorial) | | Au-Ag telluride and galena-fahlore with native gold assemblages. Decreasing amounts of pyrite, both...deposits, particularly in epithermal vein deposits of gold and silver (Afifi et al. 1988b; Ciobanu et al. 2006;...sylvanite, frohbergite, native tellurium, native gold, magnetite Pyrite, chalcopyrite, sphalerite, bornite...jalpaite, mackinstryite, stannoidite, mowsonite, native gold Pyrite, chalcopyrite, pyrrhotite, altaite, tellurobismuthite...coloradoite, shtützite, hessite, native tellurium, native gold, tennantite, tetrahedrite, magnetite, arsenopyrite |  | | Report (issue) | | ~I . • -WAR PERIOD ~ 7.7.. . ~4-2 . I OJL GOLD • (1913- 1919) • • ' LONDON: PRINTED AND PUBLISHED...technical information) relative to the production of Gold will form a part of the volume or volumes on the...Chairman of the .Lt\.dvisory Technical Committee on Gold. . (Signed) R. A. 8. REDMAYNE, Chairman of Governors...OF GOLD ••• • •• • •• 8 MARKETING OF GOLD IN RECENT YEARS ••• ••• • •• 9 PRICE OF GOLD . -...Kingdom • • • • •• ••• Egypt and Anglo-Egyptian Sudan Gold Coast Colony and Ashanti ... Nigeria • •• ••• ••• |  | | Journal (article/letter/editorial) | | architecture: tectonic foundations for East Asian orogenic gold Craig J. R. Hart1, Richard J. Goldfarb2 1 Mineral...USA Orogenic gold systems comprise the largest number of gold deposits and greatest gold endowment of...settings that do not fit current models for orogenic gold deposits. These uncertainties conspire to cause...sources regarded to be integral to the orogenic gold deposit model. The vast landmass of Eastern Asia...activity and overprinted by episodic magmatism. Gold deposits and districts formed preferentially in |  | | Book | | The Metallogeny of Lode Gold Deposits A Syngenetic Perspective Ulrich Kretschmar (Late) Former President...strongly in the theory of the syngenetic process in gold deposits. Laura Carter Kretschmar March 2015 I obtained...the Haileybury School of Mines and graduated as a gold medallist in 1965. From there I attended Queen’s...exploration targets, which led to the 1987 paper on gold in the Beardmore-Geraldton greenstone belt. This...17 countries, with most of the work being done on gold deposits. When my friend, Ulrich, passed away, I |  | | Book | | . . . . . . . . . . . . . . . . . . . . . . . Bismuth (Bi) . . . . . . . . . . . . . . . . . . . . ..... . . . . . . . . . . . . . . . . . . . . . . . Gold (Au) . . . . . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . . . . . . . . . . . . . Gold . . . . . . . . . . . . . . . . . . . . . . . ..... . . . . . . . . . . . . . . . Rod Zone – Jolu Mine – La Ronge Domain . . . . . . . . . . . . . . ....development . . . . . . . . . . . . . . . . . Seabee Mine, Laonil Lake . . . . . . . . . . . . . . . . . |  | | Book (edition) | | Australia Cover photo: Abandoned Open Pit Copper Mine, Casa Grande, Arizona, USA Courtesy of Jim Wark...122 References 126 Chapter 05 The Anatomy of a Mine 127 5.1 It All Begins in the Earth 129 5.2 Exploration–From...Project Impacts 344 10.7 Cultural Heritage Sites and Mine Development 353 10.8 The Special Nature of Community...and Social Impact Statement 446 15.2 Environmental Mine Audits 450 15.3 Sometimes Things Go Wrong 456 References...459 16.1 Changes in Landform 461 16.2 Mine Wastes 465 16.3 Mine Effluents, Acid Rock Drainage and Water |
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