| | 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...kostovite, petzite, stutzite, hessite, altaite, rickardite, weissite and henryite were succeeded by a relatively | | | 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 | | | 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 Connoisseur’s Choice (Cook | | | 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) | Ore‐forming physicochemical conditions of tellurium–gold deposits: A case study from the Guilaizhuang deposit...Beijing, Beijing, China 3 Tellurium–gold deposits differ from normal gold mineralization in their significant...between Au and Te. The Guilaizhuang gold deposit is a major tellurium–gold deposit in the Shandong Province...tellurium, Guilaizhuang Mining Company, Shandong Gold Conglomerate, Pingyi, Shandong, China Correspondence...quartz‐pyrite stage, gold‐polymetallic sulfide stage, gold‐telluride stage, and carbonate stage. The gold‐telluride | | | 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 gold–calaverite at Date and Agawa, krennerite( native...indicates that (Au, Ag)Te2 minerals in epithermal gold telluride mineralization would have been formed...tellurium-containing fluid 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 Sulfide 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 °C, the temperature for gold precipitation in the Guilaizhuang deposit. According | | | 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 | | | 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 Agency’s...production, U.S. apparent consumption, and U.S. mine production of antimony from 1900 to 2012....... | | | Book (edition) | 35 mm, Linopolis, Brazil, H Page 13: Gold, 35 mm.Eagle's est Mine, California, G Publi!>hed by Grdllit...various degrees. less common are malleable (e.g gold). ductile (e.g. copper). sectile (e.g. chalcocite)...abbreviated, e.g. canton (Switzerland), vilayet (Turkey), region (Chile), kray and oblast (Russia). The country...by Mobutu, and is now the Katanga administrative region again. The former Kivu province is now divided...United States or of the Upper Silesian historical region in Poland, where the importance of ore-bearing | | | Book | 697 CHAPTER 16. GOLD DEPOSITS 16.1. Introduction 16.2. Distribution 16.3. Types of Gold Deposits 16.4.... Examples 16.5. Origin of Hydrothermal Gold Deposits 16.6. Metallogenesis 16.7. Summary 16.8. Recommended...form of earthy hematite) or valuable (e.g., native gold and gemstones) materials they contained at places...disseminating the information, the mine geologists and mine managers who have made the mine visits a rewarding experience...a generous grant toward the completion of this project. This book would not have been completed without | | | Report (issue) | photograph: Aerial view of Main-Barton open pit, Jundee gold mine, WA, viewed from the east, June 1997. The pit...Corporation Placer Granny Smith Pty Limited Delta Gold NL WMC Resources Limited Outokumpu Mining Australia...Acacia Resources Limited Otter Gold Mines Limited Nord Pacific Limited Peak Gold Mines 93 180, 183 and 185...Limited Acacia Resources Limited Delta Gold NL Homestake Gold of Australia Limited Pasminco Limited Placer...years the geology of the mineral deposits of the region is described in detail, under the auspices of The | | Gaines, Richard V., Skinner, H. Catherine W., Foord, Eugene E., Mason, Brian, Rosenzweig, Abraham, King, Vandall T. (1997) Dana's New Mineralogy (8th ed.) Wiley-Interscience. p.1872 | Book (edition) | have been undertaken. The initial stages of this project were undertaken by the late Horace Winchell of...present editor, Philip Manor, without whom this project would never have seen the light of day. Finally...applies only to opaque materials imperfectly metallic Gold, copper, tin The luster of diamond, other materials...when cut by a knife Gold, silver Ductile Sectile Flexible Elastic Brittle Gold, silver, copper Chlorargylite...Elements and Alloys GoL_p Group The members of the gold group are elements or intermetallic compounds that | | | Journal (volume) | zcv >- IIMDEX: Page. of Costa Rica Abanearez Gold Fields 206, 358, 511, 666, 1032 833 **2, 34, ...Abbontiakoon Mines, Ltd., company report Abosso mine. West Africa Acacia Mining Co., Colorado 270, ...prevention . . . Queen Co.'s mine, Arizona Accident Gold Mining Co., Subil mine, French Gulch, Rules, Copper...Accidents, coal-mine in United States Compensation for Workingmen's compensation Acid mine water Acidity...Pressure In smelting Co., Colorado Mine, Victor, Colorado, electric mine-signal system.. 49 Olancho county | | | Book | . . . . . . . . . . . . . 4.4 Intrusion-Related Gold, Polymetallic and Uraniferous Vein Systems and Breccia...Complexes. . . . . . . . . . . . 4.6 Iron Oxide-Copper-Gold-Rare Earth Elements-Uranium Mineral Systems . ..... . . . . . . . . . . . . . . . . . . . . . 6.5 Gold Skarns . . . . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . . . . . . . . . . 6.5.2 Gold Skarns in China . . . . . . . . . . . . . . . ..... . . . . . . . . . . . . . 963 9.4 Carlin-Type Gold Deposits . . . . . . . . . . . . . . . . . . . |
|