 | | 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 ââinvisibleââ gold in arsenian pyrite...pyrite but 10 to 50% of gold is in the form of precious metal tellurides. Gold mineralization occurs in steeply...tellurium-bearing minerals, sylvanite, calaverite, krennerite, petzite, hessite, coloradoite, melonite, native |  | | 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...two ore mineral stagesis dominatedby calaverite,krennerite,sylvanitc,andnativetellurium;the second,by petzite...H2S,COa, and HaTe, with lossof H2Sthe main causeof gold deposition. Assuming only partialequilibriumin the |  | | Journal (article/letter/editorial) | | assemblages............................... Conclusions Vatukoula PACE 1460 ....................................ite Coloradoite-calaverite-petzite Coloradoite-gold Sylvanite-hessite Petzite-sylvanite-hessite It...Tellurium-empressite Tellurium-sylvanite Calaverite-gold Empressite-hessite Hessite-silver Instead,one wouldexpectto...Sylvanite-hessite Sylvanite-empressite Petzite-hessite Gold-hessite Gold-petzite The close correlationbetween these...Coloradoire--gold Sylvaniteâ˘petzite Sylvanite--empressite Sylvaniteâ˘hessite Coloradoiteâ˘gold--petzite C |  | | 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...((AuAg)2Te4), krennerite ((Au,Ag)Te2), and native tellurium from the alkaline igneous rock-related Emperor gold |  | | 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,â Department of Geological and Atmospheric...Canada N6G 4X8 Abstract Gold is found in three different forms in the Emperor gold deposit: as âinvisibleâ...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 (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 ⢠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) | | Wallârock alteration at the Emperor goldâsilver telluride deposit, Fiji a M. Ahmad & J. L. Walshe b...Wallârock alteration at the Emperor goldâsilver 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) | | University] at 23:14 19 October 2014 Vindicator Mine, Cripple Creek, Teller County, Colorado I n terms...specimens of essentially massive gold tellurides associated with coarse native gold. Cripple Creek, on the other...that resemble cuneiform characters. Sylvanite is gold-silver telluride with the composition (Au,Ag)2Te4...published analyses commonly show minor variations in the gold and silver content, and the presence of such other...Sylvanite alters to loosely coherent pseudomorphs of gold. Sylvanite is almost unknown in the eastern United |  | | Report (issue) | | Krennerite (Au, Ag)Te2 c 2001-2005 Mineral Data Publishing, version 1 Crystal Data: Orthorhombic. Point...corresponds to (Au1.02 Ag0.02 )ÎŁ=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 |  | | 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...Spectral reflectivity values increase with increasing gold content In spite of deviations from stoichiometry...sylvanite is clearly separated from those of krennerite and ol calaverite. Nagyagite corresponds to the...correction procedure. Pure elements as well as synthetic gold and silver tellurides, kindly made available by |  | | Report (issue) | | AuTe2 . Polymorphism & Series: Dimorphous with krennerite. Occurrence: Typically in veins in low-temperature...deposits. Association: Altaite, coloradoite, krennerite, rickardite, other tellurides, pyrite, arsenopyrite...Co.; at the Spotted Horse mine, Maiden, Fergus Co., and the Mayflower mine, Tobacco Root Mountains, Madison...Teller Co.; the Central City district, Gilpin Co.; Gold Hill, Boulder Co.; and the Bessie G and Mayday mines...the San Francisco mine, 145 km north of Hermosillo, Sonora, Mexico. At the El Indio mine, east of La Serena |  | | 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-northeastâtrending Viti Levu lineament. They are spatially associated with...4â4.6 Ma) and having a shoshonitic affinity. The gold mineralization in both deposits is spatially and |  | | Report (issue) | | group. Association: Altaite, calaverite, krennerite, petzite, gold, pyrite, chalcopyrite, sphalerite, galena...Distribution: In the USA, in Colorado, at the Good Hope mine, Vulcan, Gunnison Co.; in the La Plata district...the Cresson mine, Cripple Creek district, Teller Co.; in California, at the Norwegian mine, near Tuttletown...Tuttletown, and the Jamestown mine, Tuolumne Co.; in Nevada, at the Twin Creeks and Getchell mines, Potosi...Potosi district, Humboldt Co.; from the Outlaw mine, Round Mountain district, Nye Co.; and at the Gus Schave |  | | Report (issue) | | 5.265 Z=1 X-ray Powder Pattern: Robb-Montbray mine, Canada. 2.82 (100), 1.549 (60), 2.06 (50), 1.918...Stanislaus mine, California, USA; corresponding to (Ni0.99 Ag0.02 )ÎŁ=1.01 Te2.00 . (2) Strathcona mine, Canada;... calaverite, coloradoite, krennerite, tellurobismuthite, montbrayite, gold, pyrite, chalcopyrite, pentlandite...Calaveras Co., and the Jamestown mine, Tuolumne Co.; in Colorado, at the Cresson mine, Cripple Creek, Teller Co...from the Campbell mine, Bisbee, Cochise Co. In Ontario, Canada, from the Strathcona mine at Sudbury; in |  | 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 |  | | 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. SCaâ˘ELLrâ˘ANN...Commonwealth Min. and Metall. Congress,Vol. 2. VATUKOULA, FIJI couldbeexpected in oresof the Sir: Markham |  | | Journal (issue) | | . . . . 277 by D. London The Emperor mine, Vatukoula, Viti Levu, Fiji . . . . . . . . . . . . . . ....sale of the book. The first print, entitled âThe Mine with the Iron Door,â 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)...ârunnerâ is someone who ârunsâ with minerals from the mine or other exposure to dealers, to sell specimens |  | | Journal (article/letter/editorial) | | the low-sulfidation epithermal Emperor gold deposit, Vatukoula, Fijiââ (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 302â304) noted that...general sense, I had found that the gold-rich assemblage calaverite-krennerite-sylvanite occurred in the upper...the silver-rich assemblage petzitehessite-native gold extended down to deeper levels. They then commented |  | 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 AuâAgâTe: an integrated analytical study of gold ore from the Golden Mile, Kalgoorlie, Australia...assemblage calaveriteâsylvaniteâhessite in a sample of gold ore from the Golden Mile deposit, Kalgoorlie, Australia...(1965). Introduction Epizonal and mesozonal gold and goldâsilver telluride deposits spatially associated...igneous rocks are among the largest resources of gold in the world. They include Golden Mile, Kalgoorlie...Clout et al., 1990; Shackleton et al., 2003), Emperor, Fiji (e.g., Ahmad et al., 1987; Pals and Spry, 2003) |  | | 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 Connoisseurâs Choice (Cook |  | | Journal (article/letter/editorial) | | oldest telluride sample analyzed to date. The age of gold mineralization in the Kalgoorlie-Norsemanarea has...method. By studyingten samples of both gold telluride and gold quartz lode material, many possibledouble...productsaccumulate Turek obtained(2,460â˘.._80)10 of gold mineralization. The availability of an and appear...dominant phases probably being coloradoiteand krennerite (G. A. Travis, written commun., 1969). A part...Tellurides from Vatukoula, Fiji: Through the generouscooperationof O. H. Marshall of Emperor Gold Mining Company |  | | Journal (article/letter/editorial) | | 1007/s00710-006-0128-6 The goldâvanadiumâtellurium association at the Tuvatu goldâsilver prospect, Fiji: conditions...Cook Summary The Tuvatu goldâtelluride 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 Âź 1 ppb, Te Âź 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.......................... |  | | Journal (article/letter/editorial) | | Calaverite, modulated structure, valence fluctuations, krennerite introduction Calaverite was first identified...references therein). Calaverite belongs to the group of gold-silver tellurides with the chemical formula Au1âxAgxTe2...calaverite, AuTe2 (the monoclinic polymorph); krennerite, AuTe2 (the orthorhombic polymorph); and sylvanite...experimental data of Cabri (1965), calaverite, krennerite, and sylvanite contain 0.00 to 2.8 wt%, 3.4 to...minerals occur in several epizonal and mesozonal gold and gold-silver telluride deposits including the Golden |  | 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 Auâ(Ag)âtellurides (calaverite, sylvanite, krennerite, and petzite) form a major part of quartzâtelluride |
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Emperor Mine, Vatukoula, Vatukoula Gold Field, Viti Levu, Fiji