 | | Journal (article/letter/editorial) | | Matangkaka manganese deposit, Ambitle Island, Feni Island Group, Papua New Guinea: a Quaternary epithermal...Matangkaka manganese deposit, Ambitle Island, Feni Island Group, Papua New Guinea: a Quaternary epithermal...Matangkaka manganese deposit, Ambitle Island, Feni Island Group, Papua New Guinea: a Quaternary epithermal...deposit from Ambitle Island in the Feni Island Group, New Ireland Province, Papua New Guinea. Ambitle is a small...small volcanic island that has undergone Quaternary explosive and effusive volcanic activity. Oldest |  | | Journal (article/letter/editorial) | | Late Quaternary geology of Ambitle Volcano, Feni Island Group, Papua New Guinea a I. D. Lindley a Research...Late Quaternary geology of Ambitle Volcano, Feni Island Group, Papua New Guinea, Australian Journal of Earth...Late Quaternary geology of Ambitle Volcano, Feni Island Group, Papua New Guinea I. D. LINDLEY Downloaded...University, Canberra, ACT 0200, Australia Ambitle Volcano (new name) is the most recently active of four...Tanga Feni (TLTF) alkalic volcanic province, located in the New Ireland Basin, Papua New Guinea. Ambitle |  | | Journal (article/letter/editorial) | | hydrothermal fluids in Tutum Bay, Ambitle Island, Papua New Guinea Thomas Pichler a a,),1 , Jan Veizer...associated with volcanic islands. The hydrothermal system at Ambitle Island, Papua New Guinea provides an excellent...abundance and well below their concentrations in island-arc volcanics. Arsenic concentrations, on the other...protoferrihydrite is apparently altered to Fe-smectite and hematite, and As-bearing minerals are formed. Contact with...Hydrothermal system; Shallow water; Arsenic; Papua New Guinea 1. Introduction Massive sulfides, Mn-oxyhydroxides |  | | Journal (article/letter/editorial) | | hosted in alkaline rocks (Ladolam, Lihir Island, Papua New Guinea; Simmons and Brown, 2006). The alkaline-hosted...the Ladolam epithermal Au deposit, Lihir Island, Papua New Guinea (Müller et al., 2001). The Porgera Mugearite...(Richards, 1990) from the Porgera Au deposit (Papua New Guinea). The Cripple Creek Phonolite is part of the...hydrothermal system (Smith et al., 2010), on Savo island, Solomon Islands. With the exception of the Andesite, all...Ca2+ + 3 OH− Epidote muscovite 8 microcline hematite In Ca-poor lithologies (e.g. Cripple Creek Phonolite) |  | Rancourt, Denis G., Fortin, Danielle, Pichler, Thomas, Thibault, Pierre-Jean, Lamarche, Gilles, Morris, Richard V., Mercier, Patrick H.J. (2001) Mineralogy of a natural As-rich hydrous ferric oxide coprecipitate formed by mixing of hydrothermal fluid and seawater: Implications regarding surface complexation and color banding in ferrihydrite deposits. American Mineralogist, 86 (7) 834-851 doi:10.2138/am-2001-0707 | Journal (article/letter/editorial) | | margin of Ambitle Island (4°05'S, 153°40'W), one of the Feni islands in the southernmost island group of...of the Tabar-Feni chain, off the coast of Papua New Guinea. The island is part of a Quaternary stratovolcano...deposits, tuffs, and scoriae) dip radially from the island, presumably extending 836 RANCOURT ET AL.: MINERALOGY...laboratory experiments HFO evolves directly to hematite or goethite (Cornell and Schwertmann 1996). Overall...(Munsell Soil Color Charts 1994 edition, GretagMacbeth, New Windsor, NY) but not in a simple way that can easily |  | | Journal (article/letter/editorial) | | volcanic system on the southwest section of the island of Dominica, Lesser Antilles. We have conducted...hydrothermal sites occur along the flanks of volcanic islands and the tops of seamounts (Dando and Leahy, 1993;...systems associated with the submerged flanks of island arc volcanoes are ideal environments to study the...hydrothermal area located in the southwest section of the island of Dominica, Lesser Antilles (Fig. 1). While preliminary...one of the islands that comprise the Lesser Antilles archipelago, one of only two active island arc systems |  | | Journal (article/letter/editorial) | | 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...bornite assemblages, including elevated magnetite (±hematite) and native gold contents (Sillitoe 2000a). The...Cadia, NSW, Australia Au–Cu Skarn Lukas Canyon, New Mexico Foley Ridge and Annie Creek, South Dakota...by Eaton and Setterfield 1993). b Porgera, Papua New Guinea (inspired by Richards and Kerrich 1993, and |  | Chi Fru, Ernest, Kilias, Stephanos, Ivarsson, Magnus, Rattray, Jayne E., Gkika, Katerina, McDonald, Iain, He, Qian, Broman, Curt (2018) Sedimentary mechanisms of a modern banded iron formation on Milos Island, Greece. Solid Earth, 9 (3). 573-598 doi:10.5194/se-9-573-2018 | Journal (article/letter/editorial) | | mechanisms of a modern banded iron formation on Milos Island, Greece Ernest Chi Fru1,2 , Stephanos Kilias3 ...the Cape Vani sedimentary basin (CVSB) on Milos Island, Greece, displays banded rhythmicity similar to...similar to the MFIF. Raman spectroscopy pairs hematite-rich grains in the NFIF with relics of a carbonaceous...signature in the MFIF could not be directly coupled to hematite by mineralogy. The NFIF, which postdates large-scale...(a) Geotectonic map showing the position of Milos Island, along the Hellenic Volcanic Arc (HVA). Arrows |  | Canet, Carles, Prol-Ledesma, Rosa María, Proenza, Joaquín Antonio, Rubio-Ramos, Marco Antonio, Forrest, Matthew J., Torres-Vera, Marco Antonio, Rodríguez-Díaz, Augusto Antonio (2005) Mn–Ba–Hg mineralization at shallow submarine hydrothermal vents in Bahía Concepción, Baja California Sur, Mexico. Chemical Geology, 224 (1) 96-112 doi:10.1016/j.chemgeo.2005.07.023 | Journal (article/letter/editorial) | | hydrothermal venting is associated with volcanic islands, or occurs on the top of seamounts (e.g., Hoaki... exemplified by the rhyolitic caldera of Taupo, New Zealand (de Ronde et al., 2002), and the Crater Lake...of lowtemperature hydrothermal vents in volcanic island settings (Michard et al., 1993; Savelli et al....the shallow (5–10 m depth) vents on Ambitle Island, Papua New Guinea, protoferrihydrite is associated with...with Fe-smectite and hematite and precipitates over a temperature range of 60 to 93 8C owing to mixing |  | Abd El-Rahman, Yasser, Gutzmer, Jens, Li, Xian-Hua, Seifert, Thomas, Li, Chao-Feng, Ling, Xiao-Xiao, Li, Jiao (2020) Not all Neoproterozoic iron formations are glaciogenic: Sturtian-aged non-Rapitan exhalative iron formations from the Arabian–Nubian Shield. Mineralium Deposita, 55 (3) 577-596 doi:10.1007/s00126-019-00898-0 | Journal (article/letter/editorial) | | volcanic and volcaniclastic rocks of an intra-oceanic island-arc setting host multiple, thin iron-formation...as low-temperature exhalites on the floor of an island-arc basin. The iron formations were deposited during...Cryogenian . Exhalite . Hydrothermal . Iron formations . Island arc . Sturtian glaciation Introduction Iron formation...from the Neoproterozoic (900 to 600 Ma) producing hematite and magnetite iron formations and jasper, which...succession, which is interlayered with the BIF, as island-arc-related tuffaceous sedimentary rocks. This |  | Dekov, Vesselin M., Kamenov, George D., Savelli, Carlo, Stummeyer, Jens, Thiry, Médard, Shanks, Wayne C., Willingham, Amanda L., Boycheva, Tanya B., Rochette, Pierre, Kuzmann, Ernő, Fortin, Danielle, Vértes, Attila (2009) Metalliferous sediments from Eolo Seamount (Tyrrhenian Sea): Hydrothermal deposition and re-deposition in a zone of oxygen depletion. Chemical Geology, 264 (1) 347-363 doi:10.1016/j.chemgeo.2009.03.023 | Journal (article/letter/editorial) | | volcanic island; F = Filicudi volcanic island; S = Salina volcanic island; L = Lipari volcanic island; P =...calcalkaline volcanism developed in the Aeolian Islands, adjacent seamounts and minor submerged volcanic...western sector from Enarete–Eolo seamounts to the islands of Alicudi–Filicudi– Salina, and the fault zone...B = birnesite, C = chlorite, G = goethite, H = hematite; I = illite, K = kaolinite, M = maghemite; Pl...contribution from a hard mineral like goethite or hematite. The lack of a strong decrease of the IRM120 after |  | | Journal (article/letter/editorial) | | Pb–Zn–Cu–Au–Ag–Te mineralization on western Milos Island, Aegean Volcanic Arc, Greece: Mineralogical, geological...Tellurides Western Milos Island Aegean Volcanic Arc a b s t r a c t Milos Island contains several epithermal...Reviews 53 (2013) 159–180 1. Introduction Milos Island, located in the southern Aegean Sea, is part of...and Evia, Sifnos, Mykonos, Tinos, and Kythnos Islands (Bonsall et al., 2011; Skarpelis, 2002; Tombros...Tombros et al., 2007; Voudouris et al., 2011). Milos Island is one of the most densely mineralized areas 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...on 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) | | hydrothermal manganese oxide and barite deposit, Milos Island, Greece J. R. Hein, M. G. Stamatakis and J. S....Cape Vani Mn oxide and barite deposit on Milos Island offers an excellent opportunity to study the three-dimensional...characteristics of a shallow-water hydrothermal system. Milos Island is part of the active Aegean volcanic arc. A 1...fractures along with barite. Milos Island is part of the Cyclades group of islands and is located about 150 km...of Athens (Fig. 1). Milos, Santorini and other islands constitute the Aegean volcanic arc—the volcanically |  | | Journal (article/letter/editorial) | | 2, 2004 The Junggar immature continental crust province and its mineralization—Wang Jingbin, Wang Yuwang...quartz veins of the Yangshan gold deposit in Gansu province and its geological significance— Qi Jinzhong,...the BaguamiaoShuangwang fold orefield, Shaanxi Province, China— Wang Haishan and Liu Xun 476 Geological...related Cu-Au mineralization in Tongling, Anhui Province—Wu Ganguo, Zhang Da, Li Dongxu, Zhang Xiangxin...Genesis of the Xinqiao gold-sulfide orefield, Anhui Province, China —Zang Wenshuan, Wu Ganguo, Zhang Da, Li |  | | Journal (article/letter/editorial) | | contaminated subsurface systems: Application of a new 3D partial-equilibrium model BGTK J.T. MCGUIRE1 AND...potential are zones of increased rates of TEAPs. A new 3-D partial equilibrium model BGTK was used to quantitatively...well tested packages RT3D[2] and PHREEQC[3]. This new model allows for 1) biodegradation of organic matter...conditions is a question which remains to be addressed. New experimental insights on the mechanisms of bacterially...Valsami-Jones@nhm.ac.uk) 2 University of Westminster, 115 New Cavendish Street, London W1M 8JS, UK (mceldows@westminster |  | | Journal (article/letter/editorial) | | (average 0.34), reaching values up to 1.94 in the hematite zone. Investigation of the mineral chemistry (SEM-EDS)...Fe–Ni-laterite deposits are located in the Turkish province of Manisa (Fig. 1). Fe–Ni ore reserves are currently...locally transported limonite zone; and 5) a goethite–hematite duricrust (Fig. 4a, b). Nickel laterites are a...Balkan Peninsula, and Gordes and Çaldag (Manisa province) in Turkey, and those overlain by Cretaceous limestones...material types (saprolite–nontronite–limonite–hematite) (Alevizos, 1997; Mountrakis, 1983; Ozcan, 2009; |  | Handley, Kim M., McBeth, Joyce M., Charnock, John M., Vaughan, David J., Wincott, Paul L., Polya, David A., Lloyd, Jonathan R. (2013) Effect of iron redox transformations on arsenic solid-phase associations in an arsenic-rich, ferruginous hydrothermal sediment. Geochimica et Cosmochimica Acta, 102. 124-142 doi:10.1016/j.gca.2012.10.024 | Journal (article/letter/editorial) | | investigations of hydrothermal sediments from Nea Kameni Island at Santorini have identified abundant HFO, and sediment...similar ferruginous environment (Tutum Bay, Papua New Guinea) with high arsenic concentrations, up to 6%...marine embayment on the northwest side of Nea Kameni island (see Bostrom and Widenfalk, 1984; Varnavas and...more crystalline Fe(III) minerals (e.g. goethite, hematite) may also be respired by Fe(III)-reducing bacteria...(1984) The origin of iron-rich muds at the Kameni Islands, Santorini, Greece. Chem. Geol. 42, 203– 218. Boyd |  | | Journal (article/letter/editorial) | | oxides as well as in formation/precipitation of new iron phases that can potentially carry remanence..., 1991; Fig. 2). As evolutionary development of new Tertiary species must have taken some time, it had... and/or maghemite, transformation of which to hematite at temperatures anywhere between 375 and 575 °C...magnetization; the following transformation of maghemite to hematite is marked by a decay in Ms(T) between 430 and...frontiers. Cambridge University Press, Cambridge and New York. Egli, R., 2004. Characterization of individual |  | BĄK, KRZYSZTOF, KOWALCZYK, JOANNA, WOLSKA, ANNA, BĄK, MARTA, NATKANIEC-NOWAK, LUCYNA (2018) Iron and silica enrichments in the middle Albian neptunian dykes from the High-Tatric Unit, Central Western Carpathians: an indication of hydrothermal activity for an extensional tectonic regime. Geological Magazine, 155 (1) 1-19 doi:10.1017/s0016756815001132 | Journal (article/letter/editorial) | | coming from the host limestone, consists mainly of hematite crystals which are associated with low crystalline...Panasis software. Analyses of the main minerals (hematite, quartz, calcite, dolomite) were carried out using...crystals, skeletal debris and rare crystals of hematite. The dimensions of the carbonate particles ranged...colouration was due to the occurrence of scattered hematite crystals (Fig. 5a, c), which were also found along...the dykes indicated a predominant occurrence of hematite (Table 1). They were detected in crystalline thin |  | Catalano, Jeffrey G., Zhang, Zhan, Park, Changyong, Fenter, Paul, Bedzyk, Michael J. (2007) Bridging arsenate surface complexes on the hematite (012) surface. Geochimica et Cosmochimica Acta, 71 (8) 1883-1897 doi:10.1016/j.gca.2007.01.015 | Journal (article/letter/editorial) | | com/locate/gca Bridging arsenate surface complexes on the hematite (0 1 2) surface q Jeffrey G. Catalano a,* , Zhan...on the hematite (0 1 2) surface is investigated. The structure and termination of the hematite (0 1 2)-water...sample preparation, and is not intrinsic to the hematite (0 1 2) surface. X-ray standing wave (XSW) measurements...determine the registry of adsorbed arsenate to the hematite structure, and thus the binding site and geometry...of the two distinct terminations present at the hematite surface. Although this geometry is consistent |  | Álvaro, J. Javier, Ezzouhairi, Hassan, Ayad, N. Ait, Charif, A., Popov, Leonid, Ribeiro, M. Luisa (2008) Short-term episodes of carbonate productivity in a Cambrian uplifted rift shoulder of the Coastal Meseta, Morocco. Gondwana Research, 14 (3) 410-428 doi:10.1016/j.gr.2008.04.003 | Journal (article/letter/editorial) | | (Fig. 4C), and patchy cemented by goethite and hematite. The top of each Fig. 4. Photomicrographs of...quartzofeldspathic and subsidiary volcanogenic and hematite grains. These are set in a matrix rich in mica...1995; Daesslé et al., 2000), mid-oceanic ridges, island arcs, back-arc basins and hot-spot volcanoes (Glasby... 2002. The Purana Basins of southern Cratonic Province of India — a case for Mesoproterozoic fossil rifts...Mineral Resources of Nova Scotia, New Brunswick, and Prince Edward Island, 2nd ed. Macmillan, London. 694 |  | | Book (edition) | | .... 396 II.3. Sumatra - Offshore Forearc and islands............................................................. 496 II.4. Sunda Shelf (incl. 'Tin islands', Singkep, Karimata) ....................................... 1338 VII. BANDA SEA, LESSER SUNDA ISLANDS........................................................................ 1507 VIII. WEST PAPUA (WEST NEW GUINEA)............................................................ 1516 VIII.1. New Guinea General and West Papua ................................. |  | | Book | | Originally published by Springer-Verlag Berlin Heidelberg New York in 1990. The use of registered names, trademarks...which speculation is idle, but within which useful new insights regarding the relationship of certain ores...application of plate tectonic concepts can pinpoint new metal deposits. The main tool available to the exploration...more limited utility in terms of the search for new mineral districts. The problem of the geographic...Deposits in Island Arcs .. . The Panguna Porphyry Copper Deposit, Bougainville, Papua New Guinea ....... |  | Peck, W. H., Volkert, R. A., Mansur, A. T., Doverspike, B. A. (2009) Stable Isotope and Petrologic Evidence for the Origin of Regional Marble-Hosted Magnetite Deposits and the Zinc Deposits at Franklin and Sterling Hill, New Jersey Highlands, United States. Economic Geology, 104 (7) 1037-1054 doi:10.2113/econgeo.104.7.1037 | Journal (article/letter/editorial) | | the Zinc Deposits at Franklin and Sterling Hill, New Jersey Highlands, United States WILLIAM H. PECK,1...University, Hamilton, New York 13346 Jersey Geological Survey, P.O. Box 427, Trenton, New Jersey 08625 Abstract...Abstract Mesoproterozoic marble in the New Jersey Highlands hosts small magnetite deposits that occur...Introduction ROCKS of Mesoproterozoic age in the New Jersey Highlands host more than 400 magnetite deposits...Isotope data were interpreted in the context of new geochronologic data that permit a refined tectonic |
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