 | | Journal (article/letter/editorial) | | Telluride mineralization at Ashanti gold mine, Ghana R. J. BOWELL, R. P. FOSTER Department of Geology...Road, London SW7 5BD Abstract Gold mineralization at the Ashanti Mine occurs in shear zones which are...zone. However, gold-rich telluride mineralization in veins in the hangingwall of the Obuasi ore zone at...at Ashanti appears to have post-dated development of the major gold-bearing shear zone. Complex assemblages...assemblages of goethite, chalcocite, coloradoite, calaverite, sylvanite, kostovite, petzite, stutzite, hessite |  | | 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,...the Justice mine, in the Ashanti goldfields of southwestern Ghana, chemical weathering of gold-bearing sulfide-rich...geochemical features that are diagnostic. In this type of gold mineralization, the most abundant sulfides are arsenopyrite |  | Masurel, Quentin, ThĆ©baud, Nicolas, Miller, John, Ulrich, Stanislav, Roberts, Malcolm Peter, BĆ©ziat, Didier (2017) The Alamoutala Carbonate-Hosted Gold Deposit, KĆ©dougou-KĆ©nieba Inlier, West Africa. Economic Geology, 112 (1) 49-72 doi:10.2113/econgeo.112.1.49 | Journal (article/letter/editorial) | | 112, pp. 49ā72 The Alamoutala Carbonate-Hosted Gold Deposit, KĆ©dougou-KĆ©nieba Inlier, West Africa Quentin...Perry Avenue, Kensington, WA 6152, Australia Ashanti Australia Limited, Asset Development-Brownfields...31400 Toulouse, France Abstract The Alamoutala gold deposit is located in the KĆ©dougou-KĆ©nieba inlier...microtextural data, however, indicate that economic gold mineralization is shear hosted and occurred during...magnetite-bearing skarn was overprinted by a region-wide orogenic gold event in the late Eburnean. Introduction |  | | Journal (article/letter/editorial) | | of native gold and electrum, the gold telluride calaverite may well be the most important gold ore mineral...development of all other Colorado gold districts. Unlike most gold deposits, weathering of those characterized...fine-grained and dull, mustard-colored secondary gold that is disbursed as tiny particles as the individual...most exciting gold occurrences are either dominated by or contain significant amounts of gold tellurides...tellurides. Sylvanite, another important gold telluride, was featured in a previous Connoisseurās Choice (Cook |  | Asadi, H. H., Voncken, J. H. L., KĆ¼hnel, R. A., Hale, M. (2000) Petrography, mineralogy and geochemistry of the Zarshuran Carlin-like gold deposit, northwest Iran. Mineralium Deposita, 35 (7) 656-671 doi:10.1007/s001260050269 | Journal (article/letter/editorial) | | Carlin-like gold deposit, northwest Iran Received: 13 May 1999 / Accepted: 2 February 2000 Abstract Gold mineralisation...colloform arsenical pyrite, colloform sphalerite, coloradoite, and arsenicĀ±antimonyĀ±mercuryĀ±thallium-bearing...and a Tl-mineral, probably christite. Most of the gold at Zarshuran is detectable only by quantitative...electron microprobe and bulk chemical analyses. Gold occurs mainly in arsenical pyrite and colloform...solid solution or as nanometre-sized native gold. Metallic gold is found rarely in hydrothermal quartz and |  | | Report (issue) | | 2 osmium 190.2 iridium 192.2 platinum 195.1 gold 197.0 mercury 200.5 thallium 204.4 lead 207.2............................. R6 Iron Oxide-Copper-Gold Deposits............................................................................. R9 Orogenic Gold Deposits......................................................................... R11 Carlin-Type Gold Deposits..................................................................................... R15 Mine Waste Characteristics.......................... |  | Liu, Yuan, Li, Sheng-Rong, Santosh, M., Xu, Hong, Li, Chang-Ping, Liu, Shunhao (2019) Ore-forming physicochemical conditions of tellurium-gold deposits: A case study from the Guilaizhuang deposit, eastern North China. Geological Journal, 54 (4) 2400-2418 doi:10.1002/gj.3303 | Journal (article/letter/editorial) | | Oreāforming physicochemical conditions of telluriumāgold deposits: A case study from the Guilaizhuang deposit...Beijing, Beijing, China 3 Telluriumāgold deposits differ from normal gold mineralization in their significant...between Au and Te. The Guilaizhuang gold deposit is a major telluriumāgold deposit in the Shandong Province...tellurium, Guilaizhuang Mining Company, Shandong Gold Conglomerate, Pingyi, Shandong, China Correspondence...1212011220926 Handling Editor: S. Li altaite, coloradoite, petzite, and calaverite. Here, we investigate |  | | Catalog/List | | ARSENIOSIDERITE orange brown crusts on Hidalgoite (Gold Hill Mine Tooele County Utah USA) lxl f2.5O lx2 f5.OO...purple-brown crystalline masses (Colebrook Hill Mine,Roseberry, Tasmania) lxl fl.5O lx2 f3 2x2 f6.OO...BOKITE black to dark brown masses (Monumnt No 2 Mine Apache County 1/2 x 1/2 f3.5O lxl f5 C266 DEFERNITE...C269 CHABAZITE good covering location. (Ramsley Mine lxl fl.5O lx2 f3 of glassy micros Devon) 2x2 f6...f3.50 C273 COLORADOITE Mine, Cripple C274 DIAMOND good yellow cubic (Wishasha Mine Zaire) f6 C275 |  | | Journal (article/letter/editorial) | | Geology, v. 110, pp. 315ā335 Gold Mineralization at the Syenite-Hosted Beattie Gold Deposit, Duparquet, Neoarchean...Abitibi greenstone belt, consists of two styles of gold mineralization: lithology controlled and structure...associated with arsenian pyrite and arsenopyrite, with gold being in solid solution within the spongy As-rich...cherty veins, and polymetallic veins. In this facies gold is visible as electrum filling microfractures of...hydrothermal fluids that led to sulfide precipitation and gold deposition in As-rich pyrite and arsenopyrite. A |  | | Journal (article/letter/editorial) | | Original Article (Au, Ag)Te2 Minerals from Epithermal Gold Deposits in Japan Kosei KOMURO1 and Masataka NAKATA2...(AuAgTe4) and krennerite ((Au, Ag)Te2) in epithermal gold telluride ores from Suzaki, Kawazu and Teine are...Japanese Islands can be divided into four types: native goldācalaverite at Date and Agawa, krennerite( native...indicates that (Au, Ag)Te2 minerals in epithermal gold telluride mineralization would have been formed...tellurium-containing ļ¬uid would scavenge dilute gold. Keywords: epithermal gold deposit, EPMA, calaverite, krennerite |  | Xu, Wen-Gang, Fan, Hong-Rui, Hu, Fang-Fang, Santosh, M., Yang, Kui-Feng, Lan, Ting-Guang, Wen, Bo-Jie (2014) Gold mineralization in the Guilaizhuang deposit, southwestern Shandong Province, China: Insights from phase relations among sulfides, tellurides, selenides and oxides. Ore Geology Reviews, 56. 276-291 doi:10.1016/j.oregeorev.2013.06.010 | Journal (article/letter/editorial) | | journal homepage: www.elsevier.com/locate/oregeorev Gold mineralization in the Guilaizhuang deposit, southwestern...2013 Keywords: Gold mineralization Sulļ¬de Telluride Selenide Phase relation Guilaizhuang gold deposit China...Guilaizhuang gold deposit is composed of limestone- and breccia-type ores. In the limestone ores, gold is hosted...whereas in the breccia ores, tellurides are the main gold carriers. Selenium often isomorphously substitutes...by phase diagrams at 250 Ā°C, the temperature for gold precipitation in the Guilaizhuang deposit. According |  | Alfonso, Pura, Ccolqque, Elsa, Garcia-Valles, Maite, MartĆnez, Arnau, Yubero, Maria Teresa, Anticoi, Hernan, Sidki-Rius, Nor (2023) Mineralogy and Mineral Chemistry of the Au-Ag-Te-(Bi-Se) San Luis Alta Deposit, Mid-South Peru. Minerals, 13 (4) 568 doi:10.3390/min13040568 | Journal (article/letter/editorial) | | was carried out in the San Luis Alta telluriderich gold deposit, mid-south Peru, to contribute towards determining...mineralization is considered an intrusion-related gold deposit located in the Arequipa segment of the Coastal...pyrite with minor chalcopyrite and galena. Native gold and telluride minerals are abundant. Mineral chemistry...mineralogy of veins was classified into four stages. Gold occurs in the three last stages either in large... more frequently, in grains of less than 10 Āµm. Gold appears as grains encapsulated in pyrite, Fe oxides |  | | Journal (article/letter/editorial) | | Geology, v. 115, no. 2, pp. 241ā277 Gold Remobilization: Insights from Gold Deposits in the Archean Swayze...upgrading of Au that is widely applicable to orogenic gold settings. Data for the Jerome deposit indicate that...development coincident with the presence of native gold and accessory sulfide phases, that are strongly...0.5 to 5 in early pyrite to ā9 in the new native gold (900 Au fineness) and (2) incorporation of Ag into...39 historic deposits sampled, along with native gold filling structurally favorable sites in vein quartz |  | | Report (issue) | | ~I . ā¢ -WAR PERIOD ~ 7.7.. . ~4-2 . I OJL GOLD ā¢ (1913- 1919) ā¢ ā¢ ' 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 ā¢ā¢ā¢ ā¢ ā¢ā¢ ā¢ ā¢ā¢ 8 MARKETING OF GOLD IN RECENT YEARS ā¢ā¢ā¢ ā¢ā¢ā¢ ā¢ ā¢ā¢ 9 PRICE OF GOLD . -...ā¢ā¢ā¢ Egypt and Anglo-Egyptian Sudan Gold Coast Colony and Ashanti ... Nigeria ā¢ ā¢ā¢ ā¢ā¢ā¢ ā¢ā¢ā¢ ā¢ā¢ā¢ Rhodesia |  | | Catalog/List | | from Wales,Clinozoisite,Colemanite crystals,Coloradoite, Bismuth nuggets,Danburite, Potassic pargasite...black-brown cleavage Yakutia. Russin 5mmĀ£2 Rawhide Mine, MohavcCounty, Ā½xY,Ā£3 Arizona , US.A . l.x2 50p...group AlS0/4 Al S0/4 ā New East Whcal Russell mine, Devon .England Madagascar Railway cutting nearCreston...in Porphyl)Ā·. Pure grey metallic mass San Jose Mine. Oruro, Bolivia 6x6mm Ā£3 23 ANHYDRITE Rich white...Variety Francolitc.rich mass of micro ā Holmbush Mine. Kelly Bray . Cornwall crystals over the main surface |  | | 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, Lakeļ¬eld, ON...GmbH & Co. KG, Oberursel, Germany Y. Choi, Barrick Gold Corporation, Toronto, ON, Canada F. Habashi, Department |  | | Journal (article/letter/editorial) | | Hagemann Gold mineralisation throughout about 45 Ma of Archaean orogenesis: protracted flux of gold in the...largest Archaean orogenic lode gold system in the world (50 M oz produced gold). The Golden Mile deposit comprises...comprises three major styles of gold mineralisation: Fimiston, Oroya and Charlotte styles. Fimiston-style...pyrite, native gold, 17 diļ¬erent telluride minerals (AuāAg tellurides contain 25% of total gold), tourmaline...zones of intense shear zone foliation, very high gold grades (up to 100,000 g/t Au) and the common association |  | Vikentyev, Ilya, Vikentāeva, Olga, Tyukova, Eugenia, Nikolsky, Maximilian, Ivanova, Julia, Sidorova, Nina, Tonkacheev, Dmitry, Abramova, Vera, Blokov, Vyacheslav, Spirina, Adelina, Borisova, Diana, Palyanova, Galina (2021) Noble Metal Speciations in Hydrothermal Sulphides. Minerals, 11 (5) 488 doi:10.3390/min11050488 | Journal (article/letter/editorial) | | 2021 Abstract: A significant part of the primary gold reserves in the world is contained in sulphide ores...ores, many types of which are refractory in gold processing. The deposits of refractory sulphide ores...main potential source of gold production in the future. The refractory gold and silver in sulphide ores...metals (NM) not thoroughly investigated. For gold and gold-bearing deposits of the Urals, distribution...various forms of invisible goldāwhich includes nanoparticles and chemically bound goldāin sulphides is discussed |  | | Journal (article/letter/editorial) | | the western part of the Urals in the Mednogorsk region, which is considered to be a part of the Sakmara...tellurobismuthite, altaite, coloradoite, sylvanite, native tellurium, AgCu-As sulfosalts, and native gold have been found...this subzone may contain disseminated inclusions of gold and sulfosalts. Bands of tellurobismuthite crystals...galena (Fig. 8F). In some chimneys, sylvanite, native gold, native tellurium, and C -Teārich lƶllingite are...precipitation is about 250Ā°C (Afifi et al., 1988). Native gold would precipitate when the temperature decreases |  | | Book (volume) | | Jixiang Sui Geochemistry of Tourmaline from the Laodou Gold Deposit in the West Qinling Orogen, Central China:...Polufuntikova and Lyudmila Yu. Kryuchkova Disseminated GoldāSulļ¬de Mineralization in Metasomatites of the Khangalas...Kardashevskaia Types of Tellurium Mineralization of Gold Deposits of the Aldan Shield (Southern Yakutia,...Bukhanova, Galina A. Palyanova and Valery M. Chubarov Gold Mineralization at the Maletoyvayam Deposit (Koryak...Borovikov, Nikolay Karmanov and Sergei Kuznetsov Native Gold in the Chudnoe Au-Pd-REE Deposit (Subpolar Urals |  | | Journal (volume) | | Report. 392 Ashanti Rivers and Concessions 305 {c.l.) .... Ashio Mine, Japan 154 Associated Gold Mines of...Developments 118 Auckland Letter Abosso Gold Accounts, Gold Mine Africa, In South Central Air-Blasts on...Report Hill Proprietary Hill Proprietary's Iron Mine Hill, Hill, . . ... {c.l.) {p.t.) British...Burma Mines Burma Ruby Mines Burnham M. H Modem Mine 264 *230 Report. *230 Report. Valuation 383, 441...Cemented Ore Ernest Williams .... 437 Centenillo Lead Mine 401 Central Chile Copper Report .... *233 Central |  | | Journal (volume) | | J. Beringer Assay of Tin Ores Report Associated Gold Mines of W.A Blowers for Blast-Furnaces (c.l.) Austin...L. S. Austin (c.l.) R. Rumbold (c.l.) Pioneer on Gold Coast C. R. Keyes (p.t.) 327 78 W Blast-Purnaces...Botallack Mine (p.t.) (c.l.) Report BradenW Cost of Mining in Chile (c.l.) Brakpan Mine, Survey of...Heavy Stamps (p.t.) Caldecott, W. A Presentation of Gold Medal Caldecott, W. A. .Rotary Filter for Cyanide...Geology of W. Forstner(c./.) Camborne Letter Bird Mine 5 Bird Report Canada, Mining Laws of... Canada |  | | Book | | GOLD Top: The original Turin Papyrus of the Egyptian gold mine (circa 1320 B.C.), the oldest geological...Papyrus of the Egyptian gold mine (after Ball, 1942; see chapter 3). GOLD History and Genesis of Deposits...deposits. Includes bibliographies and index. 1. Gold ores. 2. Gold. I. Title. TN420.B63 1987 553.4'1 86-15675...GENERAL GEOCHEMISTRY OF GOLD AND TYPES OF AURIFEROUS DEPOSITS General Geochemistry of Gold / 11 Auriferous Deposits...CHAPTER 2: GOLD DURING THE PREĀ·CLASSICAL (PRIMITIVE) PERIOD (5000 o.c.-600 o.c.) . 23 Gold Deposits in |  | | Conference Proceedings (Volume) | | Cover photograph: View of the Aitik open pit copper mine in the very north of Sweden. Mining operations started...copper, 51 700 tonnes of silver and 1,9 tonnes of gold. Photo: Olof Martinsson, LuleĆ„ University of Technology...Baruch Spiro & Jean-Jacques Orgeval Disseminated gold-sulfide mineralization of Verkhneniyajuskoe-2 deposit.... 1543 Nils F Jansson & Rodney L Allen Archean gold skarns in iron formation, Southern Cross greenstone...Neoproterozoic rocks in the Lufilian belt, Domes region, Zambia ...................................... |  | | Report (issue) | | 2 osmium 190.2 iridium 192.2 platinum 195.1 gold 197.0 mercury 200.5 thallium 204.4 lead 207.2...(clockwise starting at top left). Dry Lake Wind Power Project. This 63-megawatt-capacity facility in Arizona...Arizona was the first utility-scale power project. The large wind turbines use generators that contain strong....B3 Graph showing dates associated with all the mine sites on the U.S. Environmental Protection Agencyās...production, U.S. apparent consumption, and U.S. mine production of antimony from 1900 to 2012....... |
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