 | | Journal (article/letter/editorial) | | within the Tavua Caldera,Fiji* P. C. EATON* WesternMiningCorporation (Fiji), Vatukoula, Fiji AND T. N...shoshonitic Tavuacalderain Viti Levu, Fiji, definesthe volcaniccenterof the Tavua volcano.The calderaoccursat...calderaoccursat the intersectionof the northeast-trending Viti Levu lineament anda northwest-trending lineament,locallymanifested...malactivity. Porphyry-style, subeconomic copper-gold mineralization andassociated alterationoccurred...the intersectionof the Nasivishearzoneandthe Viti Levu lineament,the 4.4 M oz adularia-sericite-style |  | | 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...propylitic assemblage is characterized by chlorite, ankerite, magnetite and pyrite. The K-silicate assemblage |  | | 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,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...mass spectroscopy (SIMS) show that pyrite from Emperor is among the most Au- (up to 11,057 ppm Au), Te- |  | | 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 (article/letter/editorial) | | Porphyry Cu-Style Mineralization, Navilawa Caldera, Fiji Nathan A. Forsythe 1 , Paul G. Spry 1, * 1 2 *...is the remnant of a shoshonitic volcano on Viti Levu, Fiji, and sits adjacent to the low-sulfidation Tuvatu...caldera occurs along the Viti Levu lineament, approximately 50 km SW of the Tavua caldera, which hosts the...the giant low-sulfidation Emperor epithermal AuâTe deposit. Both calderas host alkaline rocks of nearly...mineralization that occurred in multiple stages. The gold mineralization in these locations is spatially and |  | | 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 |  | Orovan, Evan A., Cooke, David R., Harris, Anthony C., Ackerman, Ben, Lawlis, Erin (2018) Geology and Isotope Geochemistry of the Wainaulo Cu-Au Porphyry Deposit, Namosi District, Fiji. Economic Geology, 113 (1) 133-161 doi:10.5382/econgeo.2018.4546 | Journal (article/letter/editorial) | | Wainaulo Cu-Au Porphyry Deposit, Namosi District, Fiji* Evan A. Orovan,1,2,â David R. Cooke,1,2 Anthony...Wainaulo Cu-Au porphyry deposit of the Namosi district, Fiji, hosts distinct styles of alteration and mineralization...part of the Namosi district in southeast Viti Levu Island, Fiji. The district is confined within the Special...Au1 B N 2.5 km Vanua Levu Yasawa Islands 1 2 3 Taveuni 4 17°S Emperor 9.88 Moz Au N 100 km...purple rectangle; approximate field of view for B) in the southeast of Viti Levu Island. Other major mineral |  | | 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 |  | Sung, Y.-H., Ciobanu, C. L., Pring, A., BrĂźgger, J., Skinner, W., Cook, N. J., Nugus, M. (2007) Tellurides from Sunrise Dam gold deposit, Yilgarn Craton, Western Australia: a new occurrence of nagyĂĄgite. Mineralogy and Petrology, 91 (3) 249-270 doi:10.1007/s00710-007-0199-z | Journal (article/letter/editorial) | | in The Netherlands Tellurides from Sunrise Dam gold deposit, Yilgarn Craton, Western Australia: a new...University of Oslo, Oslo, Norway 5 Sunrise Dam Gold Mine, AngloGold Ashanti Ltd, Laverton, Australia 2...and post-D4 veinlets in the world-class orogenic gold deposit at Sunrise Dam, Eastern Goldfields Province...association of telluride assemblages and native gold is interpreted in terms of remobilization of ore...products, have implications for ore processing and gold recovery, as well as for the genetic interpretation |  | | Journal (article/letter/editorial) | | Ludington Cripple Creek and other alkaline-related gold deposits in the southern Rocky Mountains, USA: inÂŻuence...vein, breccia, disseminated, skarn, and porphyry gold deposits form a belt in the southern Rocky Mountains...(CMB). Other alkaline igneous rocks and associated gold deposits formed later, during the transition from...important factor in the formation of all of the gold deposits was the near-surface emplacement of relatively...USA magmas may have resulted in more productive gold deposits due to more eÂcient magmatic-hydrothermal |  | | Journal (article/letter/editorial) | | MINERALOGY OF THE BELLEROPHON-NELSON TELLURIDE-BEARING GOLD DEPOSIT, ST. IVES CAMP, YILGARN CRATON, WESTERN...discovered Bellerophon-Nelson telluride-bearing gold deposit at the St. Ives camp, Western Australia...Stages II and III contain economic gold mineralization, and the gold grains are strongly associated with...surround the mineralized veins, and trace amounts of gold precipitated in these altered rocks. The albite...have similar occurrences to native gold. In addition to native gold, telluride and sulfosalt minerals |  | Sung, Y.-H., Brugger, J., Ciobanu, C. L., Pring, A., Skinner, W., Nugus, M. (2009) Invisible gold in arsenian pyrite and arsenopyrite from a multistage Archaean gold deposit: Sunrise Dam, Eastern Goldfields Province, Western Australia. Mineralium Deposita, 44 (7) 765-791 doi:10.1007/s00126-009-0244-4 | Journal (article/letter/editorial) | | ARTICLE Invisible gold in arsenian pyrite and arsenopyrite from a multistage Archaean gold deposit: Sunrise...Springer-Verlag 2009 Abstract The Sunrise Dam gold mine (11.1 Moz Au) is the largest deposit in the Archaean...whereas arsenopyrite contains up to 5,767 ppm (n=19). Gold in arsenopyrite (D4a stage) was coprecipitated and...brugger@adelaide.edu.au M. Nugus Sunrise Dam Gold Mine, AngloGold Ashanti Australia Ltd, Laverton, Western...Seoul 156-706, South Korea remained as âinvisible goldâ (nanoparticles and/or latticebound) during subsequent |  | Ronacher, E., Richards, J. P., Reed, M. H., Bray, C. J., Spooner, E. T. C., Adams, P. D. (2004) Characteristics and Evolution of the Hydrothermal Fluid in the North Zone High-Grade Area, Porgera Gold Deposit, Papua New Guinea. Economic Geology, 99 (5) 843-867 doi:10.2113/gsecongeo.99.5.843 | Journal (article/letter/editorial) | | Fluid in the North Zone High-Grade Area, Porgera Gold Deposit, Papua New Guinea E. RONACHER,â ,* J. P....Guinea Abstract The ~20-million-ounce (Moz) Porgera gold deposit, Papua New Guinea, is hosted by 6-m.y.-old...sedimentary rocks in which the intrusions were emplaced. Gold-bearing veins occur in three stages: (1) magnet...magnetite-sulfide-carbonate Âą quartz veins with minor gold (prestage I), (2) base metal-sulfide-carbonate Âą...veins (stage I), and (3) quartz-roscoelite-pyrite-gold veins and breccias (stage II). Stage II veins are |  | Yin, Chao, Liu, Jiajun, Carranza, Emmanuel John M., Zhai, Degao, Guo, Yuncheng (2019) Mineralogical constraints on the genesis of the Dahu quartz vein-style Au-Mo deposit, Xiaoqinling gold district, China: Implications for phase relationships and physicochemical conditions. Ore Geology Reviews, 113. 103107 doi:10.1016/j.oregeorev.2019.103107 | Journal (article/letter/editorial) | | Dahu quartz vein-style AuMo deposit, Xiaoqinling gold district, China: Implications for phase relationships...INFO ABSTRACT Keywords: Dahu quartz vein-style gold-molybdenum deposit Xiaoqinling region Au-Ag-Te-Mo-Bi-S...China. It is characterized by enrichment of native gold, molybdenite, telluride and Bi-sulfosalt. The current...quartz-pyrite-molybdenite, (III) sulfide-telluride-sulfosalt-gold, and (IV) carbonate-barite. The telluride minerals...telluride minerals, Bi-sulfosalt minerals and native gold were formed in a relatively reduced condition. The |  | Nikolaev, Yu. N., Prokofâev, V. Yu., Apletalin, A. V., Vlasov, E. A., Baksheev, I. A., Kalâko, I. A., Komarova, Ya. S. (2013) Gold-telluride mineralization of the Western Chukchi Peninsula, Russia: Mineralogy, geochemistry, and formation conditions. Geology of Ore Deposits, 55 (2) 96-124 doi:10.1134/s1075701513020049 | Journal (article/letter/editorial) | | Mestor ozhdenii, 2013, Vol. 55, No. 2, pp. 114â144. GoldâTelluride Mineralization of the Western Chukchi...mineralization in the Chukchi Peninsulaâwas studied. Gold occurs in native form and as telluride compound...are the major ore minerals of the goldâtelluride assemblage; native gold is superimposed on them. Altaite...epithermal deposits, where a substantial amount of gold is chemically bound with tellurium rather than occuring...1987; Richards, 1995). Owing to the high grade of gold in ore, these deposits are of economic and scientific |  | Kuzhuget, Renat V., Ankusheva, Natalia N., Pirajno, Franco, Mongush, Andrey A., Butanaev, Yuri V., Suge-Maadyr, Nadezhda V. (2022) The Ulug-Sair Gold Occurrence (Western Tuva, Russia): Mineralogy, Ore Genesis, and S-O Isotope Systematics. Minerals, 12 (6) 712 doi:10.3390/min12060712 | Journal (article/letter/editorial) | | minerals Article The Ulug-Sair Gold Occurrence (Western Tuva, Russia): Mineralogy, Ore Genesis, and...Butanaev, Y.V.; Suge-Maadyr, N.V. The Ulug-Sair Gold Occurrence (Western Tuva, Russia): Mineralogy, Ore...origin remains debated. Mineralization consists of goldâsulfideâquartz veins in the host sedimentary rocks...early goldâsulfideâquartz with pyrite, chalcopyrite, galena, gold, and electrum; and a late goldâtell...salinity of 0.18â6.1 wt % NaCl eq. at 200â400 ⌠C. Gold-bearing mineral assemblages were formed at P ~ 0 |  | | Journal (article/letter/editorial) | | alteration evidence for two gold mineralisation events at the New Celebration gold deposits in Western Australia...alteration evidence for two gold mineralisation events at the New Celebration gold deposits in Western Australia...alteration evidence for two gold mineralisation events at the New Celebration gold deposits in Western Australia...at 14:16 15 February 2015 2 The New Celebration gold deposits (2 Moz Au) are located within the Boulder...Eastern Goldfields Province, Western Australia. The gold deposits are hosted by ultramafic rocks (komatiite) |  | Tombros, S., St. Seymour, K., Williams-Jones, A. E., Spry, P. G. (2007) The Genesis of Epithermal Au-Ag-Te Mineralization, Panormos Bay, Tinos Island, Cyclades, Greece. Economic Geology, 102 (7) 1269-1294 doi:10.2113/gsecongeo.102.7.1269 | Journal (article/letter/editorial) | | veins that extend for at least 500 m. In places, gold telluride mineralization occurs in hydraulic breccias...Spry and Scherbarth, 2006). Unexploited low-grade gold-silver telluride mineralization at Panormos Bay...Panormos Bay precious metal system and epithermal gold-silver telluride mineralization elsewhere that is...epidote, muscovite, albite, ankerite, barite, galena, sphalerite, native gold, and native silver. The crustification...quartz, chlorite, epidote, muscovite, albite, ankerite, barite, galena, sphalerite, and native precious |  | MAGLAMBAYAN, Victor B., ISHIYAMA, Daizo, MIZUTA, Toshio, IMAI, Akira, ISHIKAWA, Yohei (1998) Geology, Mineralogy, and Formation Environment of the Disseminated Gold-Silver Telluride Bulawan Deposit, Negros Occidental, Philippines. Resource Geology, 48 (2) 87-104 doi:10.1111/j.1751-3928.1998.tb00009.x | Journal (article/letter/editorial) | | Mineralogy, and Formation Environment of the Disseminated Gold-Silver Telluride Bulawan Deposit, Negros Occidental...pipes and along faults. Mineralization consists of gold-silver telluride ores that are hosted by the carbonate-...mainly as disseminations, but unlike many epithermal gold deposits, lack classical epithermal colloform and...are associated mostly with calcite and dolomite-ankerite minerals. Fluid inclusions in quartz and calcite...and low salinity fluids. (Cooke et al., 1996), Emperor (Ahmad et al., 1987), Gies and Golden Sunlight |  | Shelton, Kevin L., So, Chil-Sup, Haeussler, G. Ted, Chi, Se-Jung, Lee, Kyeong-Yong (1990) Geochemical studies of the Tongyoung gold-silver deposits, Republic of Korea; evidence of meteoric water dominance in a Te-bearing epithermal system. Economic Geology, 85 (6) 1114-1132 doi:10.2113/gsecongeo.85.6.1114 | Journal (article/letter/editorial) | | barren.Ore gradesaverage12 g/metricton goldwith a gold/silverratioof 1:11. StageII iscomposed of fiver...1981, 1986; So and Shelton, 1987a, b; Shelton et gold-richmesothermat golddeposits(Sheltonet at., at....Sugakiet al., 1986). Geochemicalstudiesof Koreantype gold-silverdepositsindicatethat golddeposition occurredat...Geochemicalstudiesof epithermaldepositsindicate that gold-silverdepositionoccurredat temperatures of â˘240øC...1987a). The Tongyoungmine is one of many vein-type gold-silver-bearing epithermalsystems in the Republic |  | | Book | | Papua-New Guinea (speci fically Bougainville), and Fiji. Cyprus, Ceylon, the Philippines, and Japan are...27 Tasmania 13 New Zealand 2 Bougainville.... 1 Fiji 1 New Caledonia... 2 46 102 At the head of each...Boettcher, T. J. Casadevall, Peter Deines, D. P. Gold, D. M. Kerrick, M. L. Keith, A. W. Rose, C. P. Thornton...50, p. 164-168 Heim, Î., 1 9 3 4 , The molybdenum mine at Azegour: Soc. Econ. Geol., v. 29, p. 76-83..., Allanite et epidote dans des corneennes de la mine d'Azegour, Haut-Atlas: Serv. Geol. Maroc. Notes |  | Zukowski, W., Cooke, D. R., Deyell, C. L., McInnes, P., Simpson, K. (2014) Genesis and Exploration Implications of Epithermal Gold Mineralization and Porphyry-Style Alteration at the Endeavour 41 Prospect, Cowal District, New South Wales, Australia. Economic Geology, 109 (4) 1079-1115 doi:10.2113/econgeo.109.4.1079 | Journal (article/letter/editorial) | | Genesis and Exploration Implications of Epithermal Gold Mineralization and Porphyry-Style Alteration at... Australia 2 Barrick 3 Mineral Gold of Australia, Cowal Gold Mine, New South Wales, Australia Deposit...a deep-level, structurally controlled epithermal gold deposit hosted by Early Ordovician subaqueous volcanosedimentary...pyroxene-bearing dikes, are temporally related to gold mineralization. Postmineralization intrusions are...alteration to lower-temperature epithermal-style gold mineralization. Early magnetite and garnet-bearing |  | Alexis N'dri, Koffi, Zhang, Dehui, Zhang, Tao, Soh Tamehe, Landry, Serge Kouamelan, Kouamelan, Wu, Mingqian, Roger Assie, Konan, Koua, Kadio Aka D., Nicaise Kouamelan, Alain, Zhang, Jilin (2021) Gold mineralization in the northern margin of the North China Craton: Influence of alkaline magmatism and regional tectonic during Middle Paleozoic-Mesozoic. Ore Geology Reviews, 133. 103969pp. doi:10.1016/j.oregeorev.2020.103969 | Journal (article/letter/editorial) | | journal homepage: www.elsevier.com/locate/oregeorev Gold mineralization in the northern margin of the North...P. 582 Abidjan 22, Cote dâIvoire, China h China Gold Group Resources Co Ltd, Beijing 100011, China b...R T I C L E I N F O A B S T R A C T Keywords: Gold deposit North China Craton Variscan Indosinian Yanshanian...associated with numerous gold mineralization during Devonian to Cretaceous. The origin of gold mineralization is...magmatic-hydrothermal origin. For this study, we focused on four gold districts including the Daqingshan, Zhangjiakou |  | | Journal (article/letter/editorial) | | Yilgarn Craton: hosts to ancient alkali porphyry gold deposits? Walter Witt, Kevin Cassidy, Yong-Jun Lu...Yilgarn Craton: hosts to ancient alkali porphyry gold deposits?, Ore Geology Reviews (2017), doi: http://dx...Yilgarn Craton: hosts to ancient alkali porphyry gold deposits? Walter Witt1,4, Kevin Cassidy2, Yong-Jun...mineralized. Disseminated and fracture-controlled gold mineralization associated with Syenitic Group intrusions...origin of gold in and around Syenitic Group intrusions and the apparent absence of significant gold or copper |
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