 | | 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,† Department of Geological and Atmospheric...Canada N6G 4X8 Abstract Gold is found in three different forms in the Emperor gold deposit: as “invisible”...submicrometer-size inclusions of gold in arsenian pyrite, as visible native gold and/or electrum, and as tellurides...mass spectroscopy (SIMS) show that pyrite from Emperor is among the most Au- (up to 11,057 ppm Au), Te- |  | | 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) | | 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 ‘‘invisible’’ gold in arsenian pyrite...pyrite but 10 to 50% of gold is in the form of precious metal tellurides. Gold mineralization occurs in steeply...where the flatmake intersects steep structures. Gold-rich tellurides preceded the formation of silver-rich |  | | 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) | | 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 Sylvanite•petzite Sylvanite--empressite Sylvanite•hessite Coloradoite•gold--petzite C |  | | 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-northeast–trending Viti Levu lineament. They are spatially associated with...4–4.6 Ma) and having a shoshonitic affinity. The gold mineralization in both deposits is spatially and |  | | 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 |  | | Journal (issue) | | . . . . 277 by D. London The Emperor mine, Vatukoula, Viti Levu, Fiji . . . . . . . . . . . . . . ....sale of the book. The first print, entitled “The Mine with the Iron Door,” 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)...“runner” is someone who “runs” 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, Fiji’’ (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 302–304) noted that...that, in a general sense, I had found that the gold-rich assemblage calaverite-krennerite-sylvanite occurred...the silver-rich assemblage petzitehessite-native gold extended down to deeper levels. They then commented |  | | Book (edition) | | I. Groves Potassic Igneous Rocks and Associated Gold-Copper Mineralization Fourth Edition Mineral Resource...Groves • Potassic Igneous Rocks and Associated Gold-Copper Mineralization Fourth Edition 123 Daniel...association of these rocks with major epithermal gold and porphyry gold-copper deposits. In recent years, there...rocks with iron oxide copper-gold (IOCG) deposits, intrusion-related gold deposits (IRGDs), and possibly...possibly even Carlin-type gold deposits. Despite this current interest, there is no comprehensive textbook |  | | Book (edition) | | I. Groves Potassic Igneous Rocks and Associated Gold-Copper Mineralization Springer Authors Dr. Daniel...association of these rocks with major epithermal gold and porphyry gold-copper deposits. Despite this current interest...investigating their associations with a variety of gold and copper-gold deposits, worldwide. About twothirds of...Potassic Igneous Rocks as Considered in this Book Field Recognition of Potassic Igneous Rocks 3 Tectonic...Study: Potassic Alkaline Lamprophyres with Elevated Gold Concentrations from the Karinya Syncline, South |  | 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) | | pre-treatment of telluride-rich gold ores. Keywords: Sylvanite, gold, dissolution-reprecipitation, exsolution...as porphyry copper systems or intrusion-related gold deposits, The importance of interface-coupled dissolution...some Ag and Cu sulfides, selenides, and tellurides. Gold and Au-Ag tellurides are important accessory minerals...showed that calaverite, AuTe2, can be transformed to gold over a wide range of hydrothermal conditions. At...pseudomorphic manner via a coupled calaverite dissolution–gold precipitation mechanism, with calaverite dissolution |  | | Book (edition) | | Potassic Igneous Rocks and Associated Gold-Copper Mineralization Springer Berlin Heidelberg New York...I. Groves Potassic Igneous Rocks and Associated Gold-Copper Mineralization 3rd, Updated and Enlarged...overview of the Bajo de la Alumbrera porphyry copper-gold deposit before the commencement of mining operations...Daniel, 1962 - Potassic igneous rocks and associated gold-copper mineralization / Daniel MUller, David I....ISBN-13:978-3-642-64075-9 (hardcover) 1. Rocks, Igneous. 2. Gold ores. 3. Copper ores. I. Title. II. Groves, D. I |  | | Book | | I. Groves Potassic Igneous Rocks and Associated Gold-Copper Mineralization Second Updated and Enlarged...Miiller, Daniel: Potassic igneous rocks and associated gold copper mineralisation / Daniel Mt~ller ; David I...association of these rocks with major epithermal gold and porphyry gold-copper deposits. Despite this current interest...investigating their associations with a variety of gold and copper-gold deposits, worldwide. About twothirds of...Igneous Rocks as Considered in this Book . . . . . Field Recognition of Potassic Igneous Rocks . . . . . |  | | Journal (article/letter/editorial) | | Geology Vol. 88, 1993, pp. 1017-1052 The PorgeraGold Mine, PapuaNew Guinea:MagmaticHydrothermalto EpithermalEvolutionof...reflectpartialoxidationof a fluidwith bulk (•34S • 4 per mil. Gold is suggested to havebeen transportedasa chloridecomplexin...1990 hasexceeded1 millionouncesAu per year. The mine alsocontainssubstantial reservesof • i i i , ....hydrothermalbreccias,containing abundantnative gold (Auø) and Au-Ag tellurides. These veins crosscut...pletionsof Ta, Nb, andTi in arcmagmas becomeunandhigh field strengthelementabundances, includ- stable.Conclusiveevidencefor |  | | Book (edition) | | I. Groves Potassic Igneous Rocks and Associated Gold-Copper Mineralization Fifth Edition Mineral Resource...Groves • Potassic Igneous Rocks and Associated Gold-Copper Mineralization Fifth Edition 123 Daniel...association of these rocks with major epithermal gold and porphyry gold-copper deposits. Even more recently, there...copper-gold (IOCG) deposits, intrusion-related gold deposits (IRGDs) and even Carlin-type gold deposits...variety of both arc-related and non-arc gold and copper-gold deposits, worldwide. About one-third of |  | | Journal (article/letter/editorial) | | subaqueous volcanic construction, the Archean Hunter Mine Group, Abitibi greenstone belt W.U. Mueller a,*...accepted 10 November 2001 Abstract The Archean Hunter Mine Group (HMG) is a 6–7 km-thick south-facing volcanic...intraplate oceanic volcanic chains (e.g. Hawaii– Emperor chain), volcanic complexes forming at and near...several lesser known deposits at Normetal, Hunter Mine and Louvicourt (Chartrand and Cattalani, 1990; Pilote...facies mapping. This study focuses on the Hunter Mine Group (HMG) in the Archean Abitibi greenstone belt |  | | Journal (article/letter/editorial) | | Occurrences of Native Tellurium from Epithermal Gold Deposits in Japan Masataka Nakata1 and Kosei Komuro2...occurrences of native tellurium in the epithermal gold ores from Teine, Kobetsuzawa, Mutsu, Kawazu, Suzaki...mineral species. The other telluriferous epithermal gold deposits not in association with native tellurium...ores and alteration envelopes. Keywords: epithermal gold deposit, EPMA, Iriki, Kawazu, Kobetsuzawa, Mutsu...Telluriferous minerals found in some epithermal gold deposits of the Japanese Islands are native tellurium |  | | Report (issue) | | British Solomon Islands Protectorate • • 167 • • • • Fiji • • • • • • • • 170 • • • • • Guyana • • • • • 173...the Geological Survey . . . Department at Suva, Fiji . Fig. 1 Availability of one-inch geological maps...the earth sciences can be undertaken in a broader field than hitherto. Both the former surveys have, in...the earth sciences, especially in the economic field. The scientific and technical work of the Institute...Tanzania. 1. The Geological Map of Great Britain A. FIELD INVESTIGATIONS During the year 1966, the primary |  | Fornadel, Andrew P., Voudouris, Panagiotis Ch., Spry, Paul G., Melfos, Vasilios (2012) Mineralogical, stable isotope, and fluid inclusion studies of spatially related porphyry Cu and epithermal Au-Te mineralization, Fakos Peninsula, Limnos Island, Greece. Mineralogy and Petrology, 105 (1) 85-111 doi:10.1007/s00710-012-0196-8 | Journal (article/letter/editorial) | | later high- to intermediatesulfidation epithermal gold system. This style of mineralization is similar...sediment-hosted gold, lowto high-sulfidation epithermal gold, intrusion-related gold, and porphyry Cu±Mo±Au...mineralization, including Silicic (quartz, pyrite, marcasite, minor alunite, ziron, anatase) Advanced argillic...alkaline intrusive rocks at the Tuvatu deposit, Fiji (Scherbarth and Spry 2006) (Fig. 8b). Advanced...microcrystalline quartz along with disseminated pyrite, marcasite, and subordinate amounts of alunite, zircon, and |  | Keith, Manuel, Smith, Daniel J., Doyle, Keiran, Holwell, David A., Jenkin, Gawen R.T., Barry, Tiffany L., Becker, Joseph, Rampe, Jason (2020) Pyrite chemistry: A new window into Au-Te ore-forming processes in alkaline epithermal districts, Cripple Creek, Colorado. Geochimica et Cosmochimica Acta, 274. 172-191 doi:10.1016/j.gca.2020.01.056 | Journal (article/letter/editorial) | | Porgera and Ladolam (Papua New Guinea) and Vatukoula (Fiji) (Richards and Kerrich, 1993; Kelley et al...commonly classified as an “alkaline-hosted” or “gold-telluride” sub-group of low-sulfidation epithermal...salinity and higher oxidation states (stability field of hematite and pyrite) enhancing the mobilization...(2) Cresson (Ruby stockpile) and (3) the historic mine site of Vindicator Valley (Fig. 1). The sample set...electronic supplement (electronic supplement, Table A4). Gold was analyzed by a number of methods (XRF, Leicester; |  | Voudouris, Panagiotis Christos, Melfos, Vasilios, Spry, Paul G., Moritz, Robert, Papavassiliou, Constantinos, Falalakis, George (2011) Mineralogy and geochemical environment of formation of the Perama Hill high-sulfidation epithermal Au-Ag-Te-Se deposit, Petrota Graben, NE Greece. Mineralogy and Petrology, 103 (1) 79-100 doi:10.1007/s00710-011-0160-z | Journal (article/letter/editorial) | | Athens, 15784 Athens, Greece G. Falalakis Thracean Gold Mining S.A., 123 Democratias Ave., 68100 Alexandroupolis...kawazulite-tetradymite, goldfieldite, and native gold), followed by the formation of an intermediate-sulfidation-type...fluids with time. The kawazulite/ tetradymitess-gold association at Perama Hill suggests that it formed...from native gold ore); and the telluride-enriched deposits (where some proportion of the gold may occur...occur as Au-(Ag)-tellurides, or as native gold/Au-minerals paragenetically tied with tellurides of other elements |  | | 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 |  | | Journal (article/letter/editorial) | | tetrahedrite-group minerals, galena and native gold=electrum. The St Demetrios mineralization includes...enargite, chalcopyrite, goldfieldite, and native gold. Tellurides were deposited at logfTe2 values of...and Ag-bearing tellurides, together with native gold. The Kassiteres-Sappes area occurs about 25 km NW...is one of the most promising districts for future gold exploitation in Greece. Exploration activities by...over twenty individual prospects with epithermal gold mineralization (Bridges et al., 1997; Border et |  | | Journal (article/letter/editorial) | | 72(4), pp. 953–970 Gold-bismuth-telluride-sulphide assemblages at the Viceroy Mine, Harare-Bindura-Shamva...Accepted 15 October 2008] ABSTR ACT Gold mineralization at the Viceroy Mine is hosted in extensional veins...metabasalts of the Archaean Arcturus Formation. The gold mineralization is generally made up of banded or...(Bi6Te2S), bismuthinite (Bi2S3), native Bi, native gold, maldonite (Au2Bi), and jonassonite (AuBi5S4). The...342ºC, in the normal range of mesothermal, orogenic gold deposits worldwide. However, melting temperatures |
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