 | Mortlock, Richard A., Froelich, Philip N., Feely, Richard A., Massoth, Gary J., Butterfield, David A., Lupton, John E. (1993) Silica and germanium in Pacific Ocean hydrothermal vents and plumes. Earth and Planetary Science Letters, 119 (3) 365-378 doi:10.1016/0012-821x(93)90144-x | Journal (article/letter/editorial) | | B.V., A m s t e r d a m [MK] Silica and germanium in Pacific Ocean hydrothermal vents and plumes Richard...Columbia University, Palisades, N Y 10964, USA b Pacific Marine Environmental Laboratory, National Oceanographic...7600 Sandpoint Way NE, Seattle, WA 98115, USA c Pacific Marine Environmental Laboratory, National Oceanographic...revision accepted July 22, 1993 ABSTRACT Dissolved silica (Si) and inorganic g e r m a n i u m (Ge) concentrations...vents on the East Pacific Rise (21°N EPR) and the Southern Juan de Fuca Ridge (45°N SJdFR: North and South |  | | Journal (article/letter/editorial) | | of Alaska Fairbanks, Fairbanks, AK 99775, USA *Pacific Marine Environmental Laboratory, NOAA, 7600 Sand...Concentrations of phosphate in fluids that emanate from ridge-axis hydrothermal systems are less than that in...Evidence for the removal of phosphate in each of six ridge-flank hydrothermal systems is based on systematic...porewater flow. The extent of removal is >80% in these ridge-flank systems. These removal processes are recorded...the oceanic crust. Bottom seawater flow through ridge-axis hydrothermal systems removes at most 0.4% of |  | | Report (chapter) | | following a magmatic intrusion EDWARD T. B A K E R Pacific Marine Environmental Laboratory, N O A A , 7600...1986 on the Cleft segment of the Juan de Fuca Ridge; 1991 at 10~ on the East Pacific Rise; and 1993 on...on the CoAxial segment of the Juan de Fuca Ridge. From the fragmentary observations at each site three...flux and composition remains poorly understood. Ridge-crest observations over the last few years have...are presently only three confirmed instances of ridge- crest eruptions that produced well-sampled examples |  | | Journal (article/letter/editorial) | | (1994) 19-36 Hydrothermal plumes along the East Pacific Rise, 8°40 ' to 11°50'N: Particle distribution...A. Feely, J.F. Gendron, E.T. Baker, G.T. Lebon Pacific Marine Environmental Laboratory, National Oceanic...volcanic eruption at the 9°45.52'N site on the East Pacific Rise (EPR) led us to investigate how the composition...characteristics of a ridge crest system during surface ship surveys. During the T R O U G H S (Tropical Ridge Observations...ll°50'N, of the EPR north and south of the Clipperton Transform Fault. Over the segment south of the Clipperton |  | | Journal (article/letter/editorial) | | (1995) 53-67 A three-component mixing model for ridge-crest hydrothermal fluids Henrietta N. Edmonds 1...hydrothermal fluid chemistry data set for sediment starved ridge axes is used to estimate endmember compositions...ll-13°N and 21°N East Pacific Rise, North and South Cleft Segment (Southern Juan de Fuca Ridge), TAG, and MARK...the discovery of hydrothermal activity on oceanic ridge axes [3,4]. Following this work the major trend...fluids collected to date from sediment starved ridge axes show significant departures in their chloride |  | Von Damm, K.L., Buttermore, L.G., Oosting, S.E., Bray, A.M., Fornari, D.J., Lilley, M.D., Shanks, W.C. (1997) Direct observation of the evolution of a seafloor âblack smokerâ from vapor to brine. Earth and Planetary Science Letters, 149 (1) 101-111 doi:10.1016/s0012-821x(97)00059-9 | Journal (article/letter/editorial) | | occurring on very young crust at 9â16.8âN, East Pacific Rise, was sampled in 1991 and 1994. In 199 I, at...smokers; hydrothermal processes; mid-ocean ridges; East Pacific Rise 1. Introduction Phase mechanism ...from vents on the southern end of Cleft Segment, Juan de Fuca Ridge (JdFR) in 1984 [l] and even higher...recently reported from the northern end of Cleft Segment [2]. Of the - 77 vents sampled worldwide, -...end of the traverse. 9â and IOâ north latitude on the East Pacific Rise CEPR) [6]. With the exception of |  | | Journal (article/letter/editorial) | | southern Juan de Fuca Ridge (SJFR) and the TAG Hydrothermal Field on the Mid-Atlantic Ridge are influenced...source rock composition, brineâseawater mixing and complex interplay among various metals and minerals deposited...and Ga that result from higher temperatures and complex refining processes within a large vent mound. Copyright...hydrothermal solutions from the southern Juan de Fuca Ridge (SJFR) and the Trans-Atlantic Geotraverse...Hydrothermal Field at 26°N on the Mid-Atlantic Ridge (MAR) are presented within the context of pertinent |  | | Journal (article/letter/editorial) | | hydrothermal from the East Pacific Rise at 13âN PH. JEAN-BAPTISTE â and Y. FOUQUETâ âLaboratoire de Modklisation...Climat et de lâEnvironnement, CEA-Saclay, DSM/LMCE, %FREMER, (Received DRO/GM, October Centre 6, de Brest...trapped in hydrothermal sulfides from the East Pacific Rise ( 13âN) were measured. Two extraction techniques...hydrothermal sites have been located along mid-ocean ridges. The chemistry of the hydrothermal fluids...volcanoes, are not yet fully available in the deep ocean. Nevertheless, time-series of physical parameters |  | Ishibashi, Junichiro, Wakita, Hiroshi, Okamura, Kei, Nakayama, Eiichiro, Feely, Richard A., Lebon, Geoffrey T., Baker, Edward T., Marumo, Katsumi (1997) Hydrothermal methane and manganese variation in the plume over the superfast-spreading southern East Pacific Rise. Geochimica et Cosmochimica Acta, 61 (3) 485-500 doi:10.1016/s0016-7037(96)00304-3 | Journal (article/letter/editorial) | | Hydrothermal over the superfast-spreading southern East Pacific Rise JUNICHIRO ISHIBASHI,â HIROSHI WAKITA, â KEI...along the southern East Pacific Rise between 13â50â and 18â4OâS during the 1993 RIDGE FLUX Cruise. Many...anomalies which overlie more than half of the surveyed ridge crest. The CHJMn ratio in the plumes shows wide...Science Ltd 1. INTRODUCTION The southern East Pacific Rise (SEPR) between 13â2OâS (the Garrett Transform...and 19âs is known as one of the fastest spreading ridge segments on the global ridgecrest system. Recent |  | | Journal (article/letter/editorial) | | prominent 20km-long NEâSW-striking felsic volcanic ridge. Elemental composition and particle morphology were...SOMMAIRE Nous documentons la prĂŠsence de particules en suspension ĂŠmanant de panaches hydrothermaux dans le...le champ dâactivitĂŠ hydrothermale de lâest du bassin de Manus, en Papouasie Nouvelle GuinĂŠe; nous avons...avons ĂŠchantillonnĂŠ ce matĂŠriau lors de relevĂŠs par transmissomĂŠtrie CTD au cours dâexpĂŠditions marines en...ĂŠvents, une crĂŞte orientĂŠe NEâSO longue de 20 km et faite de roches volcaniques felsiques. La composition |  | | Book | | 01636083 0 geny G. Gurvich Sediments of the World Ocean Fundamental Theory of Deep-Sea Sedimentation 4V... Gurvich Metalliferous Sediments of the World Ocean Fundamental Theory of Deep-Sea Hydrothermal Sedimentation... Gurvich Metalliferous Sediments of the World Ocean Fundamental Theory of Deep-Sea Hydrothermal Sedimentation...1. Metalliferous sediments from the Southeast Pacific.7 1.1.1. Conditions of formation.7 1.1.2. Lithologic...part of the East Pacific Rise.51 1.3. Metalliferous sediments from the Juan de Fuca Ridge.61 1.4. Metalliferous |  | | Journal (article/letter/editorial) | | deposited by fallout from hydrothermal plumes in silica-rich seawater, in which plume-derived Fe oxyhydroxide...settling of large (~200 Âľm) colloidal particles of silica-iron oxyhydroxide. Concentrations of chalcophile...are enriched in U, V, P, and Mo relative to the North American Shale Composite, reflecting a predominantly...oxyhydroxides necessary for the flocculation of silica and sea-floor deposition of the gel precursor of...studies of ancient submarine-hydrothermal iron silica deposits have â Corresponding author: e-mail, |  | | Journal (article/letter/editorial) | | source of iron-sulphide-bearing nanoparticles to the ocean Mustafa YĂźcel1,3 *, Amy Gartman1 , Clara S. Chan2...high-temperature fluids emanating from vents in the East Pacific Rise and the Eastern Lau Spreading Center. We show...be transported over long distances in the deep ocean. Increasing efforts have been invested recently...the importance of vent-derived iron for global ocean biogeochemistry has been debated, as iron is a vital...distributions in the Southern Ocean4 . In the South Pacific, a hydrothermal source was attributed to the 50% |  | | Report (volume) | | (08) 379-0444 Fax (08) 379-4634) India Affiliated East-West Press pvt Ltd G-l/16 Ansari Road New Delhi...hydrothermal vent field: 29~ on the Mid-Atlantic Ridge 33 KRASNOV, S. G., CHERKASHEV,G. A., STEPANOVA...geographical studies of hydrothermal fields in the North Atlantic 43 BAKER,E. T. Characteristics of hydrothermal...the TAG and MARK sites (1986, 1990) Mid-Atlantic Ridge: a new solution chemistry model and a mechanism... ⢠GERMAN, C. R. Venting from the Mid-Atlantic Ridge at 37~ the Lucky Strike hydrothermal site 87 JAMES |  | | Journal (article/letter/editorial) | | Copyright ° VOLCANOES, FLUIDS, AND LIFE AT MID-OCEAN RIDGE SPREADING CENTERS Annu. Rev. Earth Planet. Sci...washington.edu Key Words hydrothermal vents, mid-ocean ridge, microorganisms, extremophiles, submarine eruptions...associated with active volcanism along the global mid-ocean ridge network has fundamentally shifted concepts of...geological, chemical, and biological processes at mid-ocean ridge spreading centers. This change has been brought...perhaps is nowhere more evident than at mid-ocean ridge spreading centers. From investigation of active |  | Charlou, J.L, Donval, J.P, Douville, E, Jean-Baptiste, P, Radford-Knoery, J, Fouquet, Y, Dapoigny, A, Stievenard, M (2000) Compared geochemical signatures and the evolution of Menez Gwen (37°50â˛N) and Lucky Strike (37°17â˛N) hydrothermal fluids, south of the Azores Triple Junction on the Mid-Atlantic Ridge. Chemical Geology, 171 (1) 49-75 doi:10.1016/s0009-2541(00)00244-8 | Journal (article/letter/editorial) | | the Azores Triple Junction on the Mid-Atlantic Ridge J.L. Charlou a,) , J.P. Donval a , E. Douville a...Centre de Brest, BP 70, 29280 Plouzane, ´ ´ ´ France b LSCE, CEA-CNRS UMR 1572, Centre dâetudes de Saclay...Azores Triple Junction Ĺ˝ATJ. on the Mid-Atlantic Ridge Ĺ˝MAR.. Hydrothermal fluids were collected at the...concentrations of cations, H 2 S Ĺ˝1.8 mmolrkg., metals and silica Ĺ˝8â11.5 mmolrkg., due to the lower temperature...Hydrothermal processes; Mantle degassing; Mid-ocean ridges; Mid-Atlantic Ridge 1. Introduction In recent years, |  | Kuhn, T, Herzig, P.M, Hannington, M.D, Garbe-SchĂśnberg, D, Stoffers, P (2003) Origin of fluids and anhydrite precipitation in the sediment-hosted Grimsey hydrothermal field north of Iceland. Chemical Geology, 202 (1) 5-21 doi:10.1016/s0009-2541(03)00207-9 | Journal (article/letter/editorial) | | the sediment-hosted Grimsey hydrothermal field north of Iceland T. Kuhn a,*, P.M. Herzig a, M.D Hannington...Iceland to the southern Kolbeinsey Ridge. The TFZ is characterized by a ridge jump of 75 km causing widespread...1016/S0009-2541(03)00207-9 of the Mid-Atlantic Ridge where it crosses the Iceland hotspot. The axial...Reykjanes Ridge offshore (Fig. 1). To the north there is no obvious offshore expression of the ridge, and...and the link between the Kolbeinsey Ridge and the neovolcanic zone is characterized by a 75-km-wide oblique |  | Koschinsky, Andrea, Seifert, Richard, Halbach, Peter, Bau, Michael, Brasse, Sabine, de Carvalho, Leandro M, Fonseca, Nuno M (2002) Geochemistry of diffuse low-temperature hydrothermal fluids in the North Fiji basin. Geochimica et Cosmochimica Acta, 66 (8) 1409-1427 doi:10.1016/s0016-7037(01)00855-9 | Journal (article/letter/editorial) | | diffuse low-temperature hydrothermal fluids in the North Fiji Basin ANDREA KOSCHINSKY,1,* RICHARD SEIFERT...HALBACH,1 MICHAEL BAU,3 SABINE BRASSE,2 LEANDRO M. DE CARVALHO,4 and NUNO M. FONSECA5 1 FR Geochemie,...specially designed Hydro Bottom Station in the North Fiji Basin and analyzed for gases, major and minor...Submarine discharge of two-phase-separated fluids from ridge-crest vents, chloride- and metal-enriched brines...including the Juan de Fuca Ridge (JFR) in the East Pacific (Massoth et al., 1989), the East Pacific Rise (EPR) |  | James, Rachael H., Green, Darryl R.H., Stock, Michael J., Alker, Belinda J., Banerjee, Neil R., Cole, Catherine, German, Christopher R., Huvenne, Veerle A.I., Powell, Alexandra M., Connelly, Douglas P. (2014) Composition of hydrothermal fluids and mineralogy of associated chimney material on the East Scotia Ridge back-arc spreading centre. Geochimica et Cosmochimica Acta, 139. 47-71 doi:10.1016/j.gca.2014.04.024 | Journal (article/letter/editorial) | | mineralogy of associated chimney material on the East Scotia Ridge back-arc spreading centre Rachael H. James...mineralogy of associated chimney material on the East Scotia Ridge back-arc spreading centre, Geochimica et Cosmochimica...of associated 2 chimney material on the East Scotia Ridge back-arc spreading centre 3 Rachael H. James1*...University, London, Ontario, N6A 3K7, Canada 3 Ocean and Earth Science, National Oceanography Centre...European Way, Southampton, SO14 3ZH, Current address: Ocean and Earth Science, National Oceanography Centre |  | Evans, Guy N., Tivey, Margaret K., Monteleone, Brian, Shimizu, Nobumichi, Seewald, Jeffrey S., Rouxel, Olivier J. (2020) Trace element proxies of seafloor hydrothermal fluids based on secondary ion mass spectrometry (SIMS) of black smoker chimney linings. Geochimica et Cosmochimica Acta, 269. 346-375 doi:10.1016/j.gca.2019.09.038 | Journal (article/letter/editorial) | | Unit, Institut Français de Recherche pour l'Exploitation de la Mer, Centre de Brest, TechnopĂ´le Brest...on the Eastern Lau Spreading Center and Valu Fa Ridge. The chalcopyrite black smoker chimney linings investigated...fields including those along the southern East Pacific Rise between 17°34âS and 17°37âS (AT-03, Leg 28)...28), the Main Endeavour Field on the Juan de Fuca Ridge (AII-118, Leg 22; AT-03, Leg 30), the Lucky Strike...the Mid-Atlantic Ridge (DIVA1), the Beebe/Piccard vent field on the Mid-Cayman Rise (AT18-16), the Vienna |  | de Ronde, Cornel E. J., Massoth, Gary J., Butterfield, David A., Christenson, Bruce W., Ishibashi, Junichiro, Ditchburn, Robert G., Hannington, Mark D., Brathwaite, Robert L., Lupton, John E., Kamenetsky, Vadim S., Graham, Ian J., Zellmer, Georg F., Dziak, Robert P., Embley, Robert W., Dekov, Vesselin M., Munnik, Frank, Lahr, Janine, Evans, Leigh J., Takai, Ken (2011) Submarine hydrothermal activity and gold-rich mineralization at Brothers Volcano, Kermadec Arc, New Zealand. Mineralium Deposita, 46 (5) 541-584 doi:10.1007/s00126-011-0345-8 | Journal (article/letter/editorial) | | Brothers Volcano, Kermadec Arc, New Zealand Cornel E. J. de Ronde & Gary J. Massoth & David A. Butterfield &...which is available to authorized users. C. E. J. de Ronde (*) : G. J. Massoth : B. W. Christenson : R...Lupton : R. P. Dziak : R. W. Embley : L. J. Evans Pacific Marine Environmental Laboratory, National Oceanic...Newport, OR 97365-5258, USA D. A. Butterfield Pacific Marine Environmental Laboratory, National Oceanic...Introduction Convergent plate margins in the western Pacific region are dominated by the IzuâBoninâMariana and |  | | Report (chapter) | | are generally more shallow than plumes over mid-ocean ridges (MORs). The chemical signatures of plumes...boundaries (i.e. the c. 60 000 km-long system of mid-ocean ridge ( M O R ) spreading centres) clearly affect the...700 vol- canoes, of which over 200 are submarine (de R o n d e et al. 2003). Arguably, the most pron o...arcs emanate from the western basin of the Pacific Ocean, where three intra-oceanic arcs ( I z u - B...et al. 1989; Worthington 1998; Glasby et al. 2000; de R o n d e et al. 2003). While island arcs in adjacent |  | | Journal (article/letter/editorial) | | Woods Hole, MA 02543, USA Department of Applied Ocean Physics and Engineering, Woods Hole Oceanographic...two vent sites on the northern Cleft Segment of the Juan de Fuca Ridge. Continuous records of fluid temperatures...resulting from periodic shifts in currents from north to south, and the subsequent northward or southward...Time-series temperature measurements made at mid-ocean ridge hydrothermal vent sites have pro- 0012-821X...focused hydrothermal ÂŁow and the development of sul¢de deposits [13^17]. Measurements in high temperature |  | Ishibashi, Jun-Ichiro, Wakita, Hiroshi, Nojiri, Yukihiro, Grimaud, Daniel, Jean-Baptiste, Philippe, Gamo, Toshitaka, Auzende, Jean-Marie, Urabe, Tetsuro (1994) Helium and carbon geochemistry of hydrothermal fluids from the North Fiji Basin spreading ridge (southwest Pacific) Earth and Planetary Science Letters, 128 (3) 183-197 doi:10.1016/0012-821x(94)90144-9 | Journal (article/letter/editorial) | | hydrothermal fluids from the North Fiji Basin spreading ridge (southwest Pacific) Jun-Ichiro Ishibashi a,...Laboratoire de Geoehimie dex Eatcc, Universite de Paris 7, 75251 Paris Cedex 05, France d Laboratoire de Modelisation...Climat et de l'Ent,ironnement, DSM-CEA/Saclay, 91191 Gifsur Y,~ette Cedex, France e Ocean Research Institute...Abstract The North Fiji Basin is one of the active marginal basins in the southwestern Pacific. Hydrothermal...emanations were located at two sites on the Central ridge of the basin. High-temperature fluids (230-290°C) |  | | Journal (article/letter/editorial) | | hydrothermal fluids from the slowspreading Mid-Atlantic Ridge: Implications of medium-term stability Andrea Koschinsky...hydrothermal fluids from the slow-spreading Mid-Atlantic Ridge: Implications of medium-term stability, Chemical...hydrothermal fluids from the slow-spreading MidAtlantic Ridge: Implications of medium-term stability Andrea Koschinsky...geological settings at the slow-spreading Mid-Atlantic Ridge (MAR) indicate a surprising re medium-term stability...hydrothermal systems at the fast-spreading East-Pacific Rise Jo (EPR). Possibly, fluid pathways and |
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