 | | Journal (article/letter/editorial) | | Sulfide Oxidation and Production of Gossans, Ashanti Mine, Ghana R. J. Bowell a a Department of Geology...Sulfide Oxidation and Production of Gossans, Ashanti Mine, Ghana, International Geology Review, 36:8, 732-752...Sulfide Oxidation and Production of Gossans, Ashanti Mine, Ghana1 R. J. BOWELL Department of Geology,...At the Justice mine, in the Ashanti goldfields of southwestern Ghana, chemical weathering of gold-bearing...geochemical features that are diagnostic. In this type of gold mineralization, the most abundant sulfides are arsenopyrite |  | | Book | | Ver' "\ ~~ âą THE MINERAL AND ROCK RESOURCES OF GHANA f btYON RALPH Dedicated to my parellfs for not...ISBN 90 6191 597 X paper edition only for sale in Ghana © 1985 A.A.Balkema, P.O.Box I 675, 3000 BR Rotterdam...REPUBLIC OF GHANA- GEOGRAPHY,PHYSIOGRAPHY,GEOLOGY AND GEOHYDROLOGY 6 3. THE MINERALRESOURCESOF GHANA - BACKGROUND...EXPLOITATION IN GHANA 572 12. TABLES OF SUMMARY OF MINERAL AND ROCK RESOURCESOF GHANA 577 13. LEGISLATION...590 APPENDIX 597 INDEX 602 V Preface The Ghana Geological SuJ;"vey DepaJ;"tment in 1.962, published |  | | Journal (article/letter/editorial) | | Australia), which is prospective for Tropicana-style gold mineralisation. By interpretation of indicator minerals...delineation of hydrothermal alteration associated with gold mineralisation (Witt et al., 2013). The HyLoggingâą...the regolith smectite weathers to kaolinite and goethite. Regolith cover in the AlbanyâFraser Orogen is...Kalgoorlie and 60 km northeast from the Tropicana gold deposit, in the Eastern Biranup Zone of the northeastern...subeconomic gold mineralisation in the Voodoo Child domain further to the southwest. Gold mineralisation |  | Latyuk, Elena, Melamud, Vitaliy, Lavrinenko, Anatoly, Makarov, Dmitriy, Bulaev, Aleksandr (2022) Non-Ferrous Metals and PGM Recovery from Low-Grade CopperâNickel Concentrate by Bioleaching and Further Cyanidation. Minerals, 12 (3) 340 doi:10.3390/min12030340 | Journal (article/letter/editorial) | | ferrivorans strains isolated from the sample of acid mine drainage from copperânickel deposit. At 40 ⊠C,...low-grade and refractory ores, refractory sulfide gold-bearing concentrates, and in some cases non-ferrous...stirred tank reactor (STR) biooxidation of refractory gold concentrates [1,7]. As dump and heap bioleaching...8â10], and can also be used to treat refractory gold-bearing ores [11]. STR biooxidation provides high...is usually used for processing refractory sulfide gold-bearing concentrates [1,7], but it has been successfully |  | | Journal (issue) | | dahllite, and francolite), foitite, fourmarierite, goethite. greifensteinite, hematite, heterosite, hureaulite...cryptomelane, dravite, elbaite, fluorapatite, goethite, magnesiohornblende, microcline, muscovite, quartz...(green, blue), eosphorite, fluorapatite, foitite, goethite, hematite, hydroxyl-herderite, magnesiohornblende... fluorite, gainesite (type location), galena, goethite, hematite, heterosite, hydroxylherderite, laueite...(and cleavelandite), almandine, fluorapatite, goethite, microcline, montebrasite, muscovite, quartz, |  | | Journal (article/letter/editorial) | | org/journal/aesccq Enhanced Immobilization of Arsenic from Acid Mine Drainage by Detrital Clay Minerals Liliana Lefticariu...substantially increased total As uptake by acid mine drainage (AMD) sediments. The As immobilization...mining-impacted areas. KEYWORDS: XANES, XRF, arsenic, acid mine drainage, bioremediation, nanoparticles, clay minerals...sediments, and ground waters.5â8 Notably, coal and ore mine wastes can contain high levels of As in association...macerals)10â12 constituents. Release of As in acid mine drainages (AMD) can be caused by oxidative weathering |  | | Journal (issue) | | .............. 127 by T. Szenics The El Dragon mine, Potosi, Bolivia .................................a label patch on the spine, hand-sewing or extra gold bars. Leather binding comes in three general styles:...and the possible variations in tooling (either in gold or âblind embossingâ) are infinite. Prices for full-leather...lettering (bars and lettering can usually be stamped in gold, black or white, or some of each). They will generally...cavities in a pegmatite about 2 miles north of Coarse Gold [sic], Madera County (some say 5 miles northeast |  | Alfonso, Pura, Anticoi, Hernan, Yubero, Teresa, Bascompta, Marc, Henao, Laura, Garcia-Valles, Maite, Palacios, Silvia, Yåñez, Juan (2019) The Importance of Mineralogical Knowledge in the Sustainability of Artisanal Gold Mining: A Mid-South Peru Case. Minerals, 9 (6) 345 doi:10.3390/min9060345 | Journal (article/letter/editorial) | | Mineralogical Knowledge in the Sustainability of Artisanal Gold Mining: A Mid-South Peru Case Pura Alfonso 1, *...Mineralogy and gold processing techniques from several mining areas of the Nazca-Ocoña gold belt, Mid-South...Peru, were investigated to assess the efficiency of gold extraction methods in relation to their mineralogy...this belt are intrusion gold related to mineralization in quartz veins. Native gold occurs as micrometric...these occurrences, gold tellurides also occur and they are abundant in San Luis. Gold processing is carried |  | | Book (edition) | | Gold Ore Processing Project Development and Operations Second Edition Edited by Mike D. Adams Fugue...Editor: Amy Shapiro Editorial Project Manager: Marisa LaFleur Production Project Manager: Mohanapriyan Rajendran...Western Australian School of Mines, Curtin University (Gold Technology Group), Perth, WA, Australia S. Ellis...Previously AngloGold Operation, Brakpan, South Africa Ashanti, Ergo C.A. Fleming, SGS Minerals, LakeïŹeld, ON...GmbH & Co. KG, Oberursel, Germany Y. Choi, Barrick Gold Corporation, Toronto, ON, Canada F. Habashi, Department |  | | Journal (article/letter/editorial) | | Compaction of peat cover over desulfurized gold mine tailings changes: Arsenic speciation and mobility...increasingly used to control the generation of contaminated mine drainage from tailings impoundment facilities. Their...peat, an easily accessible material at northern gold mine sites, was evaluated as organic cover to potentially...associated with the use of peat covers to reclaim neutral mine tailings bearing As. Biochemical and hydrogeological...time. Slight changes proved to have high impacts on mine drainage quality. Keywords: Organic materials Arsenic |  | | Journal (issue) | | by W. E. Wilson Pink amethyst from the El Choique mine, Patagonia, Argentina ............................Martino & A. Oteiza The Copper World and Mohawk mine, Northeastern San Bernardino County, California...387 COVER: WULFENITE, 11.5 cm, from the Jianshan mine, Ruoqiang County, Kuruktag Mountains, Bayinguoling...WULFENITE with Mimetite, 1.7 cm, from the Rowley mine, Maricopa County, Arizona. Wish Wang collection...(deceased) Philip G. Rust (deceased) SENIOR FELLOWS Gold Level Scott A. Rudolph (2019) Paradise Woods (2019) |  | | Journal (issue) | | CIRCULATION, SALES & FINANCE Jean C. Spence SADDLEBACK MINE Peter Briscoe âą David McCallum âą Paul Nicholson...Editorial Board. fEITKNECHTITE FROM BENALLT MANGANESE MINE Publication ofinformation on a collecting site...0952-2409 Tom Cotterell 49 NORTH DEVON UNITED MINE Mike Rumsey âą Mike Savage 53 PIUNTING DY Ratcliff&...omwall, the mothballed , rkings of South Crofty Mine have prung to life and a new decline is being driven...specimen mineralogy, are inextricably linked. Tho ·e region "ith long and extensive histories of metal mining |  | | Journal (issue) | | Australia Zaire Botswana USSR S. Africa Namibia Brazil Ghana CAR Indonesia Sierra Leone Liberia Venezuela Ivory...overnight, diamonds (like other tangibles, such as gold and silver) became a fashionable GEMS &. GEMOLOGY...areas are also active (seemap). Although the Argyle mine has given Australia the lead in total rough production...quantity, quality' and value, it is the most important mine to have gone into production in the past 148 Past...are also mined in smaller quantities 111 Brazil! Ghana! the Central African Republic! Indonesia! Sierra |  | | Journal (article/letter/editorial) | | AROUND URANIUM ORE BODIES IN THE ALLIGATOR RIVERS REGION OF THE NORTHERN TERRITORY OF A U S T R A L I A...around uranium ore bodies in the Alligator Rivers Region of the Northern Territory of Australia -- Analogue...the Fe minerals (predominantly ferrihydrite and goethite). Substantial 234U/23sU and 23°Th/234U fractionation...investigations around U ore bodies in the Alligator Rivers region of the Northern Territory of Australia (Fig. 1)...disequilibria in the region (Shirvington, 1980; Dickson and Snelling, 1980). Accounts of the project have been presented |  | | Journal (article/letter/editorial) | | term âcristallierâ used in the book doesnât do it justice either. Perhaps the best term is the German âStrahler...Haute-Savoie (High Savoy) department in the RhĂŽne-Alpes region of France, abutting as it does on both Switzerland...story about the discovery of axinite in the rugged region known as Les Aiguilles de LâArgentiĂšre (the Needles...who have an interest in the mineralogy of that region will find it worthwhile. Quintin Wight Ottawa,...toward Koblenz, and the mines described are in the region between two tiny villages: MĂŒsen in the Siegerland |  | | Journal (issue) | | Article - M. Nelson, Grand Canyon Mining: Orphan Mine and Halotrichite 16 Presidential Matters 20 ...[Zn3(AsO4)2 · 8H2O]. The specimen came from the Ojuela Mine, MapimĂ, MapimĂ Municipality, Durango, Mexico. ...köttigite, water-clear selenite gypsum (S) and goethite (G). Width FOV ~ 1cm. Photo: M. Nelson Contact:...and tennantite (Moore, 2004). Miners also found gold associated with some of the copper-bearing ore (Burbank... 1941). Above: Silver ore from the Yankee Girl mine. Courtesy of the Denver Museum of Nature & Science |  | | Book | | 15 ADVANCES IN GOLD ORE PROCESSING i Cover photograph (C) Mike Adams, 2005. Gold pour at AGR Matthey... DEVELOPMENTS IN MINERAL PROCESSING 15 ADVANCES IN GOLD ORE PROCESSING MIKE D. ADAMS MUTIS LIBER PTY LTD...& Associates, Perth, Australia S. Ellis Barrick Gold of Australia, Perth, Australia S.L. Chryssoulis...Goldstrike Mines Inc, Elko, USA S. Flatman AngloGold Ashanti, Ergo Operation, South Africa vi Contributors...LakeïŹeld, Ontario, Canada T. Gibbons AngloGold Ashanti Australia Limited, Perth, Australia S. Gray Gekko |  | | Report (issue) | | guidebook is a resumĂ© of the general geology of the region and is intended to provide general information...along or close to the principal highways in the region. The locations and means of access are indicated...for the account of the colourful history of the Mine Centre area; and (3) W. J. Ransom, Public Relations...extensive literature available on the geology of the region. For those who wish to go beyond the scope of this...the Sapawe Lake area, with notes on some iron and gold deposits of Rainy River District; Ont. Dept. Mines |  | | Book | | For each fine mineral specimen recovered from a mine, quarry, or canyon wall there must be millions lying...The most common sulfide mineral, pyrite (âfoolâs goldâ), is found in cubes (1) and also in an uncommon...and metallic luster, pyrite is often mistaken for gold, but simple tests showing its brittleness and high...it was first discovered, in a zinc-iron-manganese mine. aly If we imagine one axis of a cube shortened...difficult to recognize. Crystals of the precious metals gold (17) and silver (18) are usually flattened and elongated |  | | Journal (issue) | | thought of reprinting it as a literature reclamation project, but in all these years weâve never found a set...as well. Letâs help him do it by supporting the project. Printing of the Mineral Collector is scheduled...Pocket,â a recreation of a pocket in the Elmwood mine near Carthage, Tennessee. A space of several cubic...by David Wilber is there, and also the âSeahorseâ gold nugget. The secret which allowed such an amazing...collection; Van Pelt photo. Figure 3. The âSea Horse* gold nugget, 17 cm tall, from California. Sams collection; |  | | Journal (issue) | | Society meetings. The picture shows Jim panning for gold near Dartmoor in 2007, on one of the last field...actively mine millions of tonnes of sand and gravel aggregates from the seafloor, produce detrital gold, tin...significant sources of metals, but the technology to mine them economically did not exist and they became...geological surveys of ji the world and a flagship project of the 'International Year of Planet âąÂ·Â·= · - ·...their data are excited about this groundbreaking project. The project's aim is to create dynamic digital | | | Journal (issue) | | by WE. Wilson Pink amethyst from the El Choique mine, Pata gonia, Argenti na ..........................RECORD MARCH-APRIL 2020 The Copper World and Mohawk mine, Northeastern San Bernardino County, California...1 COVER: WULFENITE, 11.5 cm, from the Jianshan mine, Ruoqiang County, Kuruktag Mountains, Bayinguoling...WULFENITE with Mimetite, 1.7 cm, from the Rowley mine, Maricopa County, Arizona. Wish Wang collection...(deceased) Philip G. Rust (deceased) SENIOR FELLOWS Gold Level Scott A. Rudolph (2019) Paradise Woods (2019) |  | | Journal (issue) | | Poems by Pebble Pups 9-10 Article - Kalamazoo Mine 11 Secretaryâs Spot 14 Membership Application...famous âsandstone injectite dikes of the Pikes Peak regionâ) followed by a short field trip. Osborne Center...Mineral Show, Norris-Penrose Event Center, 1045 Lower Gold Camp Road, Colorado Springs, CO 80905. Sponsored...topaz, fluorite, albite, and the worldâs best goethite crystals, comprise the âbig sixâ minerals that... The specimen came from the Dorrisâs Smoky Hawk mine (Teller County, CO) and consists of a coating that |  | | Journal (volume) | | Digest.' Report Report .\bbontiakoon Mines Abosso Gold 248 303 Academy of Engineers, American 150 Adair...Separation (m.d.) .\mmonia. Leaching with .\nantapur Gold Field .-Vngio-American Corporation of South Africa...-Antarctic Geology Griffith Taylor .\ntelope Gold Mine Report -Antimony, Electrolytic -Antimony, Metallurgy...Ammonia (m.d.) 104, 20« BerridaCo. and Poldice Mine Billiton, Lode Tin at (m.d.) Blackwater Mines Report...Asphyxiation from Bleloch, W. B., and Vaal River Gold Estates Blount. B., on Chemical Balances Boleo Copper |  | | Journal (issue) | | 1st Vice President e have a two-part series on Gold scheduled for the January and February General Meetings...of Alaska with a presentation entitled âGlaciers, Gold, and Grizzlies.â The Lenzes were in Alaska in early...glaciers from land, sea, and air, and two different gold mining operations. Some of you may recall Continued.................................... 3 The Madison Mine, Madison, Carroll County, New Hampshire: An Addendum............................ 30 Carving a Simple Project .............................................. |
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