 | | Journal (article/letter/editorial) | | replaced by Au-Ag sulfide, locally identified as uytenbogaardtite (Ag3AuS2), and/or by acanthite, with both...West Java, Indonesia, and Nazareño, ShilaPaula district, southern PerĂș, in order to examine the spatial...collected from surface exposures and underground mine levels. The mineralogy was determined from polished...using Co-K radiation. X-ray powder data of uytenbogaardtite and acanthite were obtained using the Debye-Scherrer...observed in the mineralized bodies cut by underground mine galleries (500, 550, 600, 650, and 690 m.a.s.l.) |  | | Report (issue) | | Uytenbogaardtite Ag3 AuS2 c 2001-2005 Mineral Data Publishing, version 1 Crystal Data: rims. Tetragonal...3 100.1 100.0 100.00 (1) Comstock Lode, Nevada, USA; by electron microprobe. (2) Zmeinogorsk, Russia;...Distribution: In Indonesia, from Tambang Sawah, Benkoelen district, Sumatra [TL], and on Java, at the Pongkor AuâAg...deposit and in the Cirotan AuâAgâSnâW deposit. In the USA, in Nevada, from the Comstock Lode, Virginia City...Bullfrog district, Nye Co., and in the Life Preserver mine, Tolicha district; from the Equity mine, near |  | | Journal (article/letter/editorial) | | naumannite (Ag2Se), petrovskaite (AuAgS), uytenbogaardtite (Ag3AuS2), fischesserite (Ag3AuSe2), an unnamed...chloride (Ag2Cl), and unnamed Ag±Au minerals. Uytenbogaardtite and petrovskaite occur with high-fineness...only deposit in the Hauraki Goldfield where uytenbogaardtite and petrovskaite have been identified, and...and a variety of iron oxyhydroxide minerals. Uytenbogaardtite can form under supergene and hypogene conditions...conditions, and textural relationships between uytenbogaardtite and associated highfineness electrum may be |  | | Journal (article/letter/editorial) | | intermediate composition produce petrovskaite, uytenbogaardtite, and solid solutions Ag2-xAuxS (0.5 < x <...the wide variations in Au and Ag contents in uytenbogaardtite and petrovskaite from different deposits are...All rights reserved. Keywords: AgâAuâS melt; uytenbogaardtite; petrovskaite; solid solutions Ag2-xAuxS ...al., 1976). In the 1980s, Au-Ag sulfides, uytenbogaardtite, and petrovskaite were discovered (Barton...ÂșC), ÎČ-acanthite (Ag2S, α â ÎČ at 177 ÂșC), ÎČ-uytenbogaardtite (Ag3AuS2, α â ÎČ at 183 ÂșC), and ÎČpetrovskaite |  | | Journal (article/letter/editorial) | | (Au-quartz). Dark rims around native gold are uytenbogaardtite (Ag3AuS2) or petrovskaite (AgAuS), or a mixture...mixture of acanthite (Ag2S) with uytenbogaardtite or uytenbogaardtite with petrovskaite. In the ore samples...depend on the primary fineness of native Au: uytenbogaardtite forms after gold of fineness above 380â°, whereas...presence of uytenbogaardtite or petrovskaite, or a mixture of acanthite with uytenbogaardtite or uytenbogaardtite...Au-quartz-sulfide, and other deposits. Keywords: Uytenbogaardtite, petrovskaite, native gold, fineness, reactions |  | | Journal (article/letter/editorial) | | sulfides have been studied insufficiently [3]. Uytenbogaardtite (αAg3AuS2) and petrovskaite (αAgAuS) discovered...associations with AuâAgsulfides, and compositions of uytenbogaardtite and petrovs kaite is given in [6]. Wide variations...more complex gold and silver sulfides, namely uytenbogaardtite and petrovskaite. The genesis of Auâ Agsulfides...in experiments. Phases: Ac, acanthite; Uy, uytenbogaardtite; Pet, petrovskaite; Au1 â yAgy, alloy (y is...composi tions of Ag1.5Au0.5S (or Ag3AuS2) (uytenbogaardtite) and Ag1.63Au0.37S (table) are observed in |  | | Report (issue) | | 31 University of Nevada Press, Reno, Nevada 89557 USA Copyright © 2004 by University of Nevada Press Photographs...copyright © 2004 unless otherwise noted Map of Mining Districts and significant mineral occurrences of...Olivenite, 1.6-cm cluster, Majuba Hill Mine, Antelope district, Pershing County. N. Prenn collection. Photograph...production of environmental protection equipment. Mining and the discovery, identification, and development...to Nevada in 1929 and was actively involved in mining in the state and the western U.S. for the rest |  | | Book | | 353-416 257-320 321-384 225-288 137-224 CALIFORNIA ] 273-336 ARIZONA-IV ] 1-102 [ 17 / 1986...On a spectacular find of crocoite in the Adelaide mine, Dundas, Tasmania (by A. H. Chapman) 3:111-113 ADOLFSSON...Iaria from the Howard-Montgomery quarry, Howard County, Maryland (by J. S. White) 25:53-54 AFGHANISTAN...AJO Famous mineral localities: the New Cornelia mine, Ajo, Arizona (by W. J. Thomas & R. B. Gibbs) 14:283-298...Iron-manganese phosphates of the Williams pegmatites, Coosa County, Alabama (by P. B. Leavens & T. A. Simpson) 6:66-73 | | | Report (issue) | | 3i University of Nevada Press, Reno, Nevada 89557 USA Copyright© 2004 by Uni versity of Nevada Press Photographs...te, r.6-cm cluster, Majuba Hill Mine, Antelope district, Pershing County. N. Prenn coJlection. Photograph...percent of the state. Nevada's public lands offer mining, livestock grazing, wild horse viewing, .scenic...Road and Geologic Tours in th<' Las Vegas Area. Mining and the discovery, identification, and development...Vavis The Goodsprings (Yellow Pine) Mining District, Clark County John C. Kepper MINERAL CATALOG 91 |  | | Book (edition) | | McDonald Co\·er photo: \\ 7 ulfenite, Rowley Mine, Maricopa County, 4 cm high specimen, Evan and Melissa Jones...used mining districts as part of the locality description. These political and geographic district names...with a more descriptive term, metallic mineral district. This term shows the geochemical and mineralogical...reader to learn more about the geology of the district and to possibly predict the minerals that could...districts. Where possible, the metallic mineral district for each mineral locality is given for the mineral |  | | Book (edition) | | Wulfenite. Red Cloud mine, Silver district, Trigo Mountains, La Paz County, Arizona. Smithsonian Institution...and Second Editions PART 2 HISTORY OF ARIZONA MINING The Prehistoric Period 20 Arizona Under Spanish...Deposits The Bisbee District, Cochise County 64 70 The Tombstone District, Cochise County The Mammoth-St.... Anthony Mine, Tiger, Pinal County Uranium and Vanadium Deposits 80 Monument Valley 81 63 78 il S:...Breccia Pipes 87 Pegmatites 88 âMine Fireâ Minerals, United Verde Mine, Jerome Arizona Meteorites 93 PART | | | Book (edition) | | Wu!fenite. Red Cloud mine, Si/district, Trigo Mountains, La Paz County, Arizona. Smithsonian Institution...and Second Editions PART 2 HISTORY OF ARIZONA MINING AND MINERALOGY The Prehistoric Period 20 Arizona...Deposits 63 The Bisbee District, Cochise County 64 The Tombstone District, Cochise County 70 The Mammoth-St...Mammoth-St. Anthony Mine, Tiger, Pinal County 78 Uranium and Vanadium Deposits 80 Monument Valley 81 - âą Vll...Breccia Pipes 87 Pegmatites 88 "Mine Fire" Minerals, United Verde Mine, Jerome Arizona Meteorites PART |  | | Book (edition) | | Brazil, H Page 13: Gold, 35 mm.Eagle's est Mine, California, G Publi!>hed by Grdllit.u.o. Stefanikova43...abbreviations: Rep. (republic), prov. (province), co. (county), munic. (municipio), pref. (prefecture), dept...dept. (departement), dept. (departamento), dist. (district). Less common terms are not abbreviated, e.g....always included in text, except in the cases of the USA, UK, and the provinces Ontario and Quebec in Canada...are as follows: Mt. (mount or mountain), Mts. (mountains), R. (river), Is. (island), Vole. (volcano), Penin |  | | Book | | The original Turin Papyrus of the Egyptian gold mine (circa 1320 B.C.), the oldest geological map extant...script on the Turin Papyrus of the Egyptian gold mine (after Ball, 1942; see chapter 3). GOLD History...Inflation by Veins and Dikes at Grass Valley, California / 210 Econ. Geology 36:143,163-174 (1941) Contents...52-54 10-4 KNOPF, A.: The Mother Lode System of California / 281 Us. Geol. Survey Prof Paper 157, 1929,...Conglomerates of the Witwatersrand / 373 Inst. Mining and Metallurgy Trans. 25:261-291 (1916) 14-5 LIEBENBERG |  | | Report (issue) | | Aerial view of Main-Barton open pit, Jundee gold mine, WA, viewed from the east, June 1997. The pit is...Mackenzie Published by THE AUSTRALASIAN INSTITUTE OF MINING AND METALLURGY Level 3, 15-31 Pelham Street, Carlton...Australia 3053 iii © The Australasian Institute of Mining and Metallurgy 1998 The Institute is not responsible...and Angela Spry for The Australasian Institute of Mining and Metallurgy Printed by: RossCo Print Factory...Association Limited Papua New Guinea - Department of Mining and Petroleum Bureau of Resource Sciences Queensland |
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