 | | Journal (article/letter/editorial) | | the low-sulfidation epithermal Emperor gold deposit, Vatukoula, Fiji D. W. Pals and P. G. Spry Department...The epithermal, low sulfidation Emperor gold telluride deposit in Fiji, hosted by Late Miocene-Early Pliocene...western flank of the Tavua Caldera. Gold is largely in the form of āāinvisibleāā gold in arsenian pyrite...pyrite but 10 to 50% of gold is in the form of precious metal tellurides. Gold mineralization occurs in steeply...and R1 reveal that tellurium-bearing minerals, sylvanite, calaverite, krennerite, petzite, hessite, coloradoite |  | | Journal (article/letter/editorial) | | assemblages............................... Conclusions Vatukoula PACE 1460 ....................................Coloradoite-calaverite-petzite Coloradoite-gold Sylvanite-hessite Petzite-sylvanite-hessite It shouldbe emphasizedthat...accessory minerals. The assemblages tellurium-sylvanite and sylvanite-empressite are probablygoodexamplesof this...Tellurium-calaverite Tellurium-empressite Tellurium-sylvanite Calaverite-gold Empressite-hessite Hessite-silver Instead...assemblages: Calaverite-sylvanite Calaverite-petzite Sylvanite-petzite Sylvanite-hessite Sylvanite-empressite Petzite-hessite |  | | Journal (article/letter/editorial) | | Mineralogical and GeochemicalStudiesof the Emperor Gold Telluride Deposit, Fiji M. AHMAD, NorthernTerritoryGeological...Mba Volcanics,of Mioceneage,in the north of Viti Levu, Fiji. The veinsfilledfracturesthat developedmainlyin...are dominantly quartzwith minorpyrite,tellurides,gold,sphalerite,arsenopyrite,chalcopyrite,tetrahedrite...H2S,COa, and HaTe, with lossof H2Sthe main causeof gold deposition. Assuming only partialequilibriumin the...It is located at Vatukoula about 8 km inland from the northern coastof Viti Levu, Fiji (Fig. 1). THE |  | | Journal (article/letter/editorial) | | Invisible Gold and Tellurium in Arsenic-Rich Pyrite from the Emperor Gold Deposit, Fiji: Implications...Implications for Gold Distribution and Deposition DAVID W. PALS, PAUL G. SPRY,ā Department of Geological and Atmospheric...Canada N6G 4X8 Abstract Gold is found in three different forms in the Emperor gold deposit: as āinvisibleā...submicrometer-size inclusions of gold in arsenian pyrite, as visible native gold and/or electrum, and as tellurides...tellurides (calaverite, krennerite, sylvanite, and petzite). Similarly, Te occurs as invisible tellurium |  | | Journal (article/letter/editorial) | | epithermal and orogenic gold deposits: application to the Emperor gold-telluride deposit, Fiji Andrew P. Fornadel...epithermal and orogenic gold deposits: application to the Emperor gold-telluride deposit, Fiji, Ore Geology Reviews...epithermal and orogenic gold deposits: application to the Emperor gold-telluride deposit, Fiji Andrew P. Fornadela...Tellurides; Native tellurium; Emperor deposit; Fiji; Epithermal gold deposits; orogenic gold deposits 1 ABSTRACT...of 99.9999% Te metal, for located samples of sylvanite ((AuAg)2Te4), krennerite ((Au,Ag)Te2), and native |  | | Journal (issue) | | 8(1):3-8 Secondary copper minerals of the Crusader mine, north-west Queensland. Sharpe, James L. and Williams...suite of secondary minerals from the Nifty copper mine, Western Australia. Downes, P.J., Shields, P. and...7(1 ): 19-26 ā¢ Kasolite from the British Empire mine, Arkaroola, South Australia. Plimer, Ian R., Besley...Marshall, Brian. 7(1):3-13 Minerals ofthe Vatukoula gold mines, Fiji. Lawrence, Laurie J., Sharpe, James L...Prince Lyell Mine, Mt Lyell, Queenstown 7(2):82-83W Red Lead Mine, Dundas 7(1}:37W Renison Mine 7(l):37W |  | | Journal (article/letter/editorial) | | Wallārock alteration at the Emperor goldāsilver telluride deposit, Fiji a M. Ahmad & J. L. Walshe b...Wallārock alteration at the Emperor goldāsilver telluride deposit, Fiji, Australian Journal of Earth...Wall-rock alteration at the Emperor gold-silver telluride deposit, Fiji M. AHMAD1 AND J. L. WALSHE2 1...Box 4, Canberra, ACT 2601, Australia. In the Emperor mine area, widespread propylitic alteration was followed...alteration. INTRODUCTION The gold-silver telluride lodes at the Emperor mine are typical of epithermal deposits |  | | Journal (article/letter/editorial) | | Characteristics of the Tuvatu Gold-Silver Telluride Deposit, Fiji: Comparisons with the Emperor Deposit NANCY L. SCHERBARTH*...The Tuvatu gold-silver telluride deposit with reserves of 13 t Au is the second largest gold deposit in...in Fiji after the large Emperor gold telluride deposit (production, and proven and probable reserves of...occur along the >250-km east-northeastātrending Viti Levu lineament. They are spatially associated with...4ā4.6 Ma) and having a shoshonitic affinity. The gold mineralization in both deposits is spatially and |  | | Journal (article/letter/editorial) | | edu Sylvanite Downloaded by [The Aga Khan University] at 23:14 19 October 2014 Vindicator Mine, Cripple...specimens of essentially massive gold tellurides associated with coarse native gold. Cripple Creek, on the other...important of which is sylvanite. A historically significant Cripple Creek sylvanite specimen has been nominated...current availability from several unusual sources. Sylvanite is a silver-white to steel-gray mineral with a...2ā2.0) and brittle and has a density of 8.16. Sylvanite is monoclinic (2/m), and crystals are commonly |  | | Journal (issue) | | . . . . 277 by D. London The Emperor mine, Vatukoula, Viti Levu, Fiji . . . . . . . . . . . . . . ....sale of the book. The first print, entitled āThe Mine with the Iron Door,ā depicts a fantasy underground...underground collecting scene at the famous lost gold mine in the Catalina Mountains above Tucson. The print was...scene at the Old uma mine near Tucson (appropriate, inasmuch as he wrote the Old uma mine chapter in the book)...ārunnerā is someone who ārunsā with minerals from the mine or other exposure to dealers, to sell specimens |  | | Journal (article/letter/editorial) | | MAY-JUNE, 1970 NEW ELECTRON PROBE AND OPTICAL DATA ON GOLD TELLURIDES of Geology,University E. F. Sfuuprt,...variations in specimens from difierent deposits. Gold contents are frequently higher than suggested by...increasing gold content In spite of deviations from stoichiometry, the compositional fieid of sylvanite is clearly...correction procedure. Pure elements as well as synthetic gold and silver tellurides, kindly made available by...pleochroism, facilitale microscopic determination of sylvanite. The material investigated during the present |  | | Report (issue) | | volcanic fumaroles. Association: carbonates. Gold, sylvanite, empressite, altaite, pyrite, galena, alabandite...Peninsula, Russia. Large cleavages at the Kochbulak gold deposit, Chatkal-Kuramin Mountains, eastern Uzbekistan...Magnolia, Gold Hill, Ballarat, and Central districts, Boulder Co.; and at the Vulcan mine, Gunnison Co...Moctezuma (Bambolla) mine, 12 km south of Moctezuma, Sonora, Mexico. From the El Indio mine, east of La Serena...Australia. In the Teine mine, northwest of Sapporo, Hokkaido, and in the Kawazu mine, near Sizewka, Shizuoka |  | Zhang, Jian, Zhang, Yao, Richmond, William, Wang, Hai-peng (2010) Processing technologies for gold-telluride ores. International Journal of Minerals, Metallurgy, and Materials, 17 (1). 1-10 doi:10.1007/s12613-010-0101-6 | Journal (article/letter/editorial) | | 1007/s12613-010-0101-6 Processing technologies for gold-telluride ores Jian Zhang1), Yao Zhang1), William...accepted: 1 March 2009) Abstract: Gold telluride ores are important gold refractory ores due to the presence...The classification and main physical properties of gold telluride ores were described, and possible treatment...procedures are much easier for gold tellurides compared to other refractory gold-bearing ores. For the conventional...pretreatment such as oxidation is required to achieve high gold recovery. Roasting is a relatively simple but not |  | | Report (issue) | | Z = 16 X-ray Powder Pattern: Empress Josephine mine, Colorado, USA. 2.70 (100), 2.23 (80), 3.81 (60)...100.53 100.7 100.1 100.00 (1) Empress Josephine mine, Colorado, USA; average of two analyses, corresponding...low-temperature gold-poor hydrothermal vein deposits. Association: Tellurium, sylvanite, petzite, hessite...(Empress Josephine mine, Colorado, USA); pyrite, rodalquilarite (Tombstone, Arizona, USA); gold, tellurium,...the Empress Josephine mine, Kerber Creek district [TL], and the Klondike mine, Finley Gulch, both in |  | | Report (issue) | | Total 99.62 100.00 100.30 100.00 (1) Zavodinskii mine, Kazakhstan. (2) San SebastiaĢn, Mexico. (3) BotesĢ§...Association: Calaverite, sylvanite, altaite, petzite, empressite, rickardite, gold, tellurium, pyrite, galena...from the Zavodinskii mine, near Ziryanovsk, Altai Mountains. In the Bereznyakov gold deposit and the Yaman-Kasy...Australia. In the Emperor mine, Vatukoula, and in the Tuvatu AuāAgāTe deposit, Viti Levu, Fiji Islands. At...Occidental, Phillipines. In Chile, from the Condorriaco mine, near Coquimbo, and in the Wendy open pit, El Indio-Tambo |  | | Report (issue) | | corresponds to (Au1.02 Ag0.02 )Ī£=1.04 Te2.00 . (2) Moose mine, Cripple Creek, Colorado, USA; Fe is from pyrite;...Calaverite, coloradoite, sylvanite, krennerite, petzite, hessite, tellurium, gold, pyrite, quartz. Distribution:...the Konstantin-Ovkoye gold deposit, Krasnoyarskii region, and the Bereznyakov gold deposit, Southern Ural...mines in Cripple Creek, Teller Co.; the Smoky Hill mine, Boulder Co.; the Central City district, Gilpin...Campbell mine, Bisbee, and at Tombstone, Cochise Co., Arizona; from the Golden Sunlight mine, near Whitehall |  | | Journal (article/letter/editorial) | | the low-sulfidation epithermal Emperor gold deposit, Vatukoula, Fijiāā (2003) by D. W. Pals and P. G...paper on telluride mineralogy in the Emperor gold mine in Fiji, Pals and Spry (2003) referred several...distribution of individual tellurides in the Emperor mine, Pals and Spry (2003, pp 302ā304) noted that...sense, I had found that the gold-rich assemblage calaverite-krennerite-sylvanite occurred in the upper part...the silver-rich assemblage petzitehessite-native gold extended down to deeper levels. They then commented |  | | Journal (article/letter/editorial) | | schistosehost-rockand having spentonly a few monthsin the field to questionthe gradationalboundaries.It would also...use to the south-east and the Jaduguda(uranium) mine and textural modifications. to the north-west,and...exploration geologist. The migmatization of the field, and there is some evidenceof a silicifica- conceptleads...the outcropor to the greatestdepth reachedby this field independently of migmatization. G. A. SCaā¢ELLrā¢ANN...Commonwealth Min. and Metall. Congress,Vol. 2. VATUKOULA, FIJI couldbeexpected in oresof the Sir: Markham |  | Zhao, J., Brugger, J., Xia, F., Ngothai, Y., Chen, G., Pring, A. (2013) Dissolution-reprecipitation vs. solid-state diffusion: Mechanism of mineral transformations in sylvanite, (AuAg)2Te4, under hydrothermal conditions. American Mineralogist, 98 (1) 19-32 doi:10.2138/am.2013.4209 | Journal (article/letter/editorial) | | diffusion: Mechanism of mineral transformations in sylvanite, (AuAg)2Te4, under hydrothermal conditions Jing...experimentally the transformation of Au-Ag-telluride sylvanite to Au-Ag alloy under hydrothermal conditions,...the sample textures and the reaction kinetics. Sylvanite transformed to Au-Ag alloy over all hydrothermal...alloy preserved the external dimensions of the sylvanite grains. The resulting Au-Ag alloy was porous,...calaverite, (Au0.93Ag0.07)Te2. The transformation of sylvanite to Au-Ag alloy follows a complex reaction path |  | Bindi, L., Rossell, M. D., Van Tendeloo, G., Spry, P. G., Cipriani, C. (2005) Inferred phase relations in part of the system Au?Ag?Te: an integrated analytical study of gold ore from the Golden Mile, Kalgoorlie, Australia. Mineralogy and Petrology, 83 (3) 283-293 doi:10.1007/s00710-004-0065-1 | Journal (article/letter/editorial) | | system AuāAgāTe: an integrated analytical study of gold ore from the Golden Mile, Kalgoorlie, Australia...rare contact assemblage calaveriteāsylvaniteāhessite in a sample of gold ore from the Golden Mile deposit...stable hessite-bearing assemblage is hessiteā sylvanite, which formed from the breakdown of the -phase...-phase below 120 C, stā¬ utzite Ć¾ -phase, or sylvanite Ć¾ stā¬utzite Ć¾ -phase, as predicted by Cabri (1965)...(1965). Introduction Epizonal and mesozonal gold and goldāsilver telluride deposits spatially associated |  | | 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 |  | | Journal (article/letter/editorial) | | 1007/s00710-006-0128-6 The goldāvanadiumātellurium association at the Tuvatu goldāsilver prospect, Fiji: conditions...Cook Summary The Tuvatu goldātelluride prospect is one of several epithermal gold systems along the >250...>250 km northeast trending Viti Levu lineament, Fiji, which are genetically associated with alkalic magmatism...conditions of formation of the telluride-native gold stage at Tuvatu (250 C, Au Ā¼ 1 ppb, Te Ā¼ 1...coexistence of roscoelite and calaverite in epithermal gold systems elsewhere. The presence of magnetite with |  | | 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.......................... |  | | Report (issue) | | Sylvanite (Au, Ag)2Te4 c 2001-2005 Mineral Data Publishing, version 1 Crystal Data: Monoclinic. Point...14.62(2) Ī² = 145.35(5)ā¦ X-ray Powder Pattern: Fiji Islands. 3.05 (100), 2.15 (50), 2.25 (30), 1.989...typically among the last minerals formed. Association: Gold, calaverite, krennerite, altaite, hessite, petzite...At Glava, VaĢrmland, Sweden. In the Bereznyakov gold deposit and the Yaman-Kasy CuāZnāpyrite deposits...Ural Mountains, Russia. In Canada, from the Dome mine, Porcupine, Ontario. In the USA, in California, |  | Liu, Junlai, Zhao, Shengjin, Cook, Nigel J., Bai, Xiangdong, Zhang, Zhaochong, Zhao, Zhidan, Zhao, Haibin, Lu, Jun (2013) Bonanza-grade accumulations of gold tellurides in the Early Cretaceous Sandaowanzi deposit, northeast China. Ore Geology Reviews, 54. 110-126 doi:10.1016/j.oregeorev.2013.03.003 | Journal (article/letter/editorial) | | com/locate/oregeorev Bonanza-grade accumulations of gold tellurides in the Early Cretaceous Sandaowanzi deposit...28 March 2013 Keywords: Gold tellurides Epithermal deposit Bonanza-grade gold mineralization Sandaowanzi...China a b s t r a c t The Sandaowanzi epithermal gold deposit (0.5 Moz or ca. 14 tons), located at the... is unique in that nearly all the gold (>95%) is contained in gold tellurides mostly in bonanza grade...coarse-grained Auā(Ag)ātellurides (calaverite, sylvanite, krennerite, and petzite) form a major part of |
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Emperor Mine, Vatukoula, Vatukoula Gold Field, Viti Levu, Fiji