 | | Journal (article/letter/editorial) | | 4 Alkalic IntrusiveRocksAssociatedwith the Mount Kare Gold Deposit, PapuaNew Guinea:Comparison with...thepresenceof quartz-roscoelite-Au veinsandbreccias, havespurredrecentexploration effortsat Mount Kare. The Mo...ments ([La/Yb]c, -9-28 at MountKare, 14-20 at Porgera),but relativelylow concentrations of K andTi on...presence ofexcess 4øArin igneousamphiboles onlyat Porgera,indicatethat,althoughrelated,the MountKare and...whichfallsin the middleof the rangeof illitc and roscoelite agesfromthePorgera Audeposit (5.1-6.1 Ma).Thisresult |  | | Journal (article/letter/editorial) | | associated with alkaline rocks, including the giant Porgera, Cripple Creek, Ladolam, Olympic Dam and Phalaborwa...examples is pointless. Furthermore, exploration for new unique deposits is difficult because their defining...numerous past-producers in the central Montana and New Mexico alkaline provinces of the western United States...mineralogical features, such as occurrence of roscoelite (vanadian mica), unusually elevated telluride...Cadia, NSW, Australia Au–Cu Skarn Lukas Canyon, New Mexico Foley Ridge and Annie Creek, South Dakota |  | | Book (edition) | | Control Number: 2015947403 Springer Cham Heidelberg New York Dordrecht London © Springer International Publishing...mineralization worldwide, which is reflected in numerous new case studies and research papers that have been published...Edition in 2000. This new updated and enlarged Fourth Edition incorporates new data and references from... Russia, and Turkey, including new maps and sections and v vi new plates of high-grade gold-copper...deposits hosted by potassic igneous rocks. Not only the new edition does incorporate the latest literature on |  | | Journal (article/letter/editorial) | | Geology Vol. 88, 1993, pp. 1017-1052 The PorgeraGold Mine, PapuaNew Guinea:MagmaticHydrothermalto EpithermalEvolutionof...PorgeraAu deposit,locatedin the highlandsof PapuaNew Guinea,containsproven andprobablereservesof 51.5 millionmetrictonsat...locally abundantAuø and Au-Ag tellurideswith roscoelite,pyrite, and minor barite in banded, vuggyqua...aturesof fluid inclusionsfrom stageII quartz-roscoelite-Au veins average146ø +_13øC (n = 519). Salinitiesfall...= 439), andinclusionsdirectlyassociated with roscoelite-Audepositiontypicallybelongto the higher salinitygroup |  | 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) | | the North Zone High-Grade Area, Porgera Gold Deposit, Papua New Guinea E. RONACHER,†,* J. P. RICHARDS...ADAMS** Porgera Joint Venture, Porgera, Papua New Guinea Abstract The ~20-million-ounce (Moz) Porgera gold...gold deposit, Papua New Guinea, is hosted by 6-m.y.-old alkalic intrusions and Cretaceous sedimentary rocks...± quartz ± Au veins (stage I), and (3) quartz-roscoelite-pyrite-gold veins and breccias (stage II). Stage...are economically the most significant. Quartz-roscoelite-pyrite-gold veins form high-grade zones associated |  | | Journal (article/letter/editorial) | | in high-grade ore zones at the Porgera gold deposit, Papua New Guinea Received: 24 February 2000 / Accepted:...separation in high-grade quartz±roscoelite±gold veins and breccias from the Porgera alkalic-type gold deposit...near-surface epithermal deposits, and indicate that the Porgera vein system was formed at greater depths and pressures...association with alkalic magmas. Introduction The Porgera gold deposit is located in a Pliocene fold and...and thrust belt that forms the highlands of Papua New Guinea (Fig. 1). With 10.8 million mined ounces of |  | | Journal (article/letter/editorial) | | and is characterized by the presence of quartz-roscoelite telluride veins in which gold-rich tellurides...1988; Gill and Whelan, 1989; Begg and Gray, 2002). A new trench (Vanuatu trench) was established on the western...filled with marcasite (mc) in a quartz (qtz)-roscoelite vein in the Nasivi SKL lode. G. Anhedral tennantite...coexisting with calaverite (cal) and petzite (pet) in roscoelite in the Upper Ridges lode. 0361-0128/98/000/000-00...1980) and those adjacent to the Porgera gold deposit, Papua New Guinea (Richards, 1990). In contrast, |  | | Journal (article/letter/editorial) | | of the Dongping Gold Telluride Deposit, Heibei Province, North China a Zhang Zhaoghong & Mao Jingwen...of the Dongping Gold Telluride Deposit, Heibei Province, North China, International Geology Review, 37:12...of the Dongping Gold Telluride Deposit, Heibei Province, North China ZHANG ZHAOGHONG Institute of Geology... is located in Chongli County, northern Hebei Province, about 160 km north west of Beijing. The exploration...discovery and early exploration, Dongping proved to be a new type of deposit for China; subsequently, more than |  | | Book (edition) | | mineralization worldwide, which is reflected in numerous new case studies and research papers that have been published...Edition in 2016. This new updated and enlarged Fifth Edition incorporates new data and references from...Canada, Chile, China, Iran and the USA, including new maps and sections and additional colour plates of...major deposits hosted by potassic igneous rocks. The new edition does not only incorporate the latest literature.... . . . . . . . . . . . . . . . . . 4.1 Roman Province (Italy): Example from a Continental Arc Setting |  | Ronacher, Elisabeth, Richards, Jeremy, Villeneuve, Michael, Johnston, Michael (2002) Short life-span of the ore-forming system at the Porgera gold deposit, Papua New Guinea: laser 40 Ar/ 39 Ar dates for roscoelite, biotite, and hornblende. Mineralium Deposita, 37 (1) 75-86 doi:10.1007/s00126-001-0231-x | Journal (article/letter/editorial) | | system at the Porgera gold deposit, Papua New Guinea: laser 40Ar/39Ar dates for roscoelite, biotite, and...Springer-Verlag 2001 Abstract The Porgera gold deposit, Papua New Guinea, is associated with sodic-alkalic...and, economically most important, (3) quartz–roscoelite-Au veins and breccias. Magmatic hornblende and...associated with the magnetite-sulfide ± Au veins, and roscoelite were dated using the laser 40Ar/39Ar step-heating...5.98±0.13 Ma (MSWD=2.7), and analyses of two roscoelite samples yielded dates of 5.92±0.09 Ma (MSWD=2 |  | Richards, Jeremy P., McCulloch, Malcolm T., Chappell, Bruce W., Kerrich, Robert (1991) Sources of metals in the Porgera gold deposit, Papua New Guinea: Evidence from alteration, isotope, and noble metal geochemistry. Geochimica et Cosmochimica Acta, 55 (2) 565-580 doi:10.1016/0016-7037(91)90013-u | Journal (article/letter/editorial) | | .oo Sources of metals in the Porgera gold deposit, Papua New Guinea: Evidence from alteration, isotope...in revisedform December 3, 1990) Abstract-The Porgera gold deposit is spatially and temporally associated...alkalic, epizonal Porgera Intrusive Complex (PIG), located in the highlands of Papua New Guinea (PNG). The highlands...volcano-sedimentary rocks of the Sepik terrane. Magmatism at Porgera probably occurred in response to the Late Miocene...associated with K-metasomatism, and later quartz-roscoelite veins carrying abundant free gold and tellurides |  | | Journal (article/letter/editorial) | | chemistry and processes at the Porgera gold deposit, Papua New Guinea Received: 28 November 1995 / Accepted:...Accepted: 17 July 1996 Abstract The Porgera gold deposit in Papua New Guinea is a world-class example of an...to those attending stage II ore deposition at Porgera (200– 300 bar, ~165 °C). These results are interpreted...Introduction Gold mineralization at the Porgera mine, Papua New Guinea (Fig. 1), is spatially, temporally... and genetically associated with the 6 Ma-old Porgera intrusive complex. This complex consists of an |  | | Journal (article/letter/editorial) | | southwest Pacific in the Acupan, [4], Porgera, [5,6], Mt. Kare [7], Ladolam [8], Emperor [9], and Tuvatu...Tonga arc and reversing to eastward subduction at New Hebrides [25]. The NE-trending Hunter Fracture Zone...diameter and cross-cut by the Upper Sabeto River Valley. It is located 21 km NE of Nadi, the third-largest...Transmitted light (plane polarized) image of roscoelite (Rsc) and pyrite (Py) in phyllic alteration,...abbreviations are after Whitney and Evans [38] except for roscoelite, which was not included in their study. Geosciences |  | | Journal (article/letter/editorial) | | in U.S.A. Geochronology of the Porgera gold deposit, Papua New Guinea: Resolving the effects of excess...Abstratt-Mesothermihe~~ gold monetization at Porgera in the hi~lands of Papua New Guinea (PNG), occurs in stoutly controlled...analyses of six separates of hydrothermal illite and roscoelite associated with gold mineralization yield apparent...deposition occurred within 1 Ma of magmatism at Porgera. Evidence for the evolution of a magmatic volatile... Late Miocene magmatism and mineralization at Porgera are thou8ht to have occurred shortly prior to or |  | | Journal (article/letter/editorial) | | associated with various vanadiumbearing minerals: roscoelite, karelianite, vanadian muscovite, Ti-free nolanite...show that the stability fields of calaverite, roscoelite, and karelianite converge in pH-f O2 space near...and likely explain the common coexistence of roscoelite and calaverite in epithermal gold systems elsewhere...has long been known since the identification of roscoelite [K(V3þ,Al,Mg)2AlSi3O10(OH)2] by Blake (1876)...Stuckslager gold deposit, Coloma district, California. Roscoelite and vanadium muscovite, are characterized by |  | Millonig, Leo J., Beinlich, Andreas, Raudsepp, Mati, Devine, Fionnuala, Archibald, Douglas A., Linnen, Robert L., Groat, Lee A. (2017) The Engineer Mine, British Columbia: An example of epithermal Au-Ag mineralization with mixed alkaline and subalkaline characteristics. Ore Geology Reviews, 83. 235-257 doi:10.1016/j.oregeorev.2016.12.023 | Journal (article/letter/editorial) | | homepage: www.elsevier.com/locate/oregeo The Engineer Mine, British Columbia: An example of epithermal Au-Ag...Boiling Alkaline Subalkaline Roscoelite Vanadium a b s t r a c t The Engineer Mine epithermal precious metal...previous studies, contains roscoelite in intimate association with electrum. Roscoelite, a vanadian mica, is...style of epithermal mineralization at the Engineer Mine we conducted detailed petrographic, mineralogical...studies. The principal ore assemblage of the Engineer Mine epithermal veins precipitated in response to boiling |  | | Journal (article/letter/editorial) | | Porphyry-Related Cu ± Au Deposits: Examples from New Guinea and Chile P. A. GOW†,* AND J. L. WALSHE CSIRO...porphyry-related copper and/or gold deposits in New Guinea and northern and central Chile occurred during...settings consisted of a Mesozoic passive margin in New Guinea, a Jurassic-Cretaceous back-arc basin in northern...include the Darai/Mendi Limestone or equivalents in New Guinea and the lavas of the Farellones Formation in...porphyry-related copper and/or gold deposits in New Guinea and central and northern Chile overprinted a |  | Mueller, Andreas G., Hagemann, Steffen G., Brugger, Joël, Xing, Yanlu, Roberts, Malcolm P. (2020) Early Fimiston and late Oroya Au–Te ore, Paringa South mine, Golden Mile, Kalgoorlie: 4. Mineralogical and thermodynamic constraints on gold deposition by magmatic fluids at 420–300 °C and 300 MPa. Mineralium Deposita, 55 (4) 767-796 doi:10.1007/s00126-019-00939-8 | Journal (article/letter/editorial) | | Fimiston and late Oroya Au–Te ore, Paringa South mine, Golden Mile, Kalgoorlie: 4. Mineralogical and thermodynamic...December 2018) is located in the Eastern Goldfields Province of the Archean Yilgarn Craton, Western Australia...are discussed with emphasis on the Porgera deposit in Papua New Guinea. Geologic setting The Kalgoorlie...district is located in the Eastern Goldfields Province of the Yilgarn Craton (inset in Fig. 1), a continental-margin...coordinates are mine grid. The inset map of Western Australia shows the Eastern Goldfields Province (EGP) in |  | | Report (Issue volume) | | + 4, Mineral Fe # — of Australia and™ Papua New Guinea ... Geology of the Mineral Deposits of Australia and Papua New Guinea The COVER PHOTOGRAPH shows an aerial view...the east coast of Lihir Island, New Ireland Province, Papua New Guinea. The Ladolam gold deposit lies...Resources Development Centre, Port Moresby, Papua New Guinea The Australasian Institute of Mining and...Mines — 1968 1968 and Papua New Ed. C.L. Knight 1974 1975 and Papua New Eds D.M. Traves and D. |  | | Journal (article/letter/editorial) | | stratiformCu, Mississippi Valley-typePb-Zn, lode Au, Carlin- and Porgera-typeAu, and epithermalAu-Ag...Until now, however,the internal sensitive.Usingthis new equipmentin a reconnaisof featuresof pyrite havenot...Elba, Mexico Italy Porgera, Porgera, Bingham, SnowLake, Porgera, Porgera, Porgera, Logrono, Utah Manitoba... 100.28 100.31 Abbreviations: PNG = PapuaNew Guinea,lettersA or D in parentheses aftersamplenumbers...metalsulfideveinswithminorfreegold,typeD = latequartz-roscoelite-Au-telluride veins(seeRichards et al., 1991,for |  | | Journal (article/letter/editorial) | | Philippines, Indonesia, New Guinea, and the volcanic island chains of the Solomon Islands, New Hebrides (Vanuatu)...BoyonganBayugo, Philippines; Golpu porphyry, Papua New Guinea) or are close to commencing production (e...in east Java and the Golpu porphyry deposit of New Guinea are among the largest Cu and Au deposits of the...Gosowong-Kencana, Gunung Pongkor, Kelian, Mesel, Mount Muro, and Wetar Au-(Ag) deposits (Garwin, 2002;...(Sutopo, 2013; Harrison et al., 2018). In Papua New Guinea, several major Cu and Au deposits have been |  | | Journal (article/letter/editorial) | | (Setterfield et al. 1991), and Ladolam and Porgera, Papua New Guinea (Müller et al. 2001, and Ronacher et...(Kroll et al. 2001, this volume) and Ok Tedi, Papua New Guinea (Rush and Seegers 1990). In this Thematic...release of gold. This Thematic Issue aims to provide new data on major gold and gold-copper deposits which...the Ladolam gold deposit at Lihir Island, Papua New Guinea, which is hosted by volatile-rich alkaline...the large alkaline rock-hosted Porgera gold deposit, Papua New Guinea, which has to date produced >280 |  | | Journal (article/letter/editorial) | | Yanacocha Ellndlo 20 21 22 23 24 25 Waihi Ladolam Porgera Kelian Baguio Hishikari * Bonanza part only +...gold, are Cripple Creek, Pueblo Viejo, Ladolam, Porgera, and Baguio (Table 2; Figure 3). Most of the large...Peru El Indio 295 Chile Waihi 230 New Zealand Ladolam 595 PNG Porgera -600 PNG Kelian >200 Indonesia Baguio...deposits occupy uncertain volcanic settings, which at Porgera is due to a complete absence of volcanic rocks...alkaline magmatism, which is basic and sodic at Porgera (Richards 1990), but potassic and, in part, more |  | | Journal (article/letter/editorial) | | southward, from Cripple Creek in Colorado through New Mexico. All of these deposits are on the eastern...LREE-enriched rocks of the Colorado (Yavapai) province have 208Pb/204Pb ratios that suggest these magmas...enrichment, explaining the presence of ¯uorite, roscoelite (vanadium-rich mica) and tellurides in the CMB...manifestation is the Rio Grande rift and Basin and Range province (Fig. 1). Most of the other alkaline-related gold...gold deposits in this region of Colorado and New Mexico formed during this tectonic transition (Fig. |  | Lu, Y.-J., Kerrich, R., Kemp, A. I. S., McCuaig, T. C., Hou, Z.-Q., Hart, C. J. R., Li, Z.-X., Cawood, P. A., Bagas, L., Yang, Z.-M., Cliff, J., Belousova, E. A., Jourdan, F., Evans, N. J. (2013) Intracontinental Eocene-Oligocene Porphyry Cu Mineral Systems of Yunnan, Western Yangtze Craton, China: Compositional Characteristics, Sources, and Implications for Continental Collision Metallogeny. Economic Geology, 108 (7) 1541-1576 doi:10.2113/econgeo.108.7.1541 | Journal (article/letter/editorial) | | Chung et al., 2005). The Emeishan flood basalt province is also shown in the inset as a shaded field (Emeishan...(b). Representative cross section of the Beiya Au mine (modified after Su et al., 2006, and Xu, 2007)....Evans et al. (2005). 40Ar/39Ar dating Secondary roscoelite (vanadium-bearing mica) coexisting with pyrite...2 zircon with a δ18O value of 8.2 ± 0.01‰ (1σ; Valley, 2003; Black et al., 2004). Zircon hafnium isotopes...isotopes Hf isotope analyses were carried out using a New Wave/ Merchantek UP-213 laser-ablation microprobe |
|
