 | Delacour, Adélie, Früh-Green, Gretchen L., Frank, Martin, Gutjahr, Marcus, Kelley, Deborah S. (2008) Sr- and Nd-isotope geochemistry of the Atlantis Massif (30°N, MAR): Implications for fluid fluxes and lithospheric heterogeneity. Chemical Geology, 254 (1) 19-35 doi:10.1016/j.chemgeo.2008.05.018 | Journal (article/letter/editorial) | | o Sr- and Nd-isotope geochemistry of the Atlantis Massif (30°N, MAR): Implications for fluid fluxes and...Serpentinites Atlantis Massif Lost City A B S T R A C T The Atlantis Massif (Mid-Atlantic Ridge, 30°N) is...is an oceanic core complex marked by distinct variations in crustal architecture, deformation and metamorphism...southern ridge of the massif that underlie the peridotite-hosted Lost City Hydrothermal Field. Systematic...emplacement of the massif and hydrothermal activity associated with the formation of Lost City. Homogeneous |  | | Journal (article/letter/editorial) | | peridotites and gabbros at Lost City (30°N, MAR): Implications for hydrothermal alteration and microbial...the Lost City Hydrothermal Field at the southern face of the Atlantis Massif (Mid-Atlantic Ridge, 30°N)...microbial activity in this active, peridotite-hosted hydrothermal system. The serpentinized peridotites are characterized...high fluid fluxes during hydrothermal circulation and evolution of the Lost City system from temperatures...samples from near the base of hydrothermal carbonate towers at Lost City show d34S values that reflect |  | Früh-Green, Gretchen L., Orcutt, Beth N., Rouméjon, Stéphane, Lilley, Marvin D., Morono, Yuki, Cotterill, Carol, Green, Sophie, Escartin, Javier, John, Barbara E., McCaig, Andrew M., Cannat, Mathilde, Ménez, Bénédicte, Schwarzenbach, Esther M., Williams, Morgan J., Morgan, Sally, Lang, Susan Q., Schrenk, Matthew O., Brazelton, William J., Akizawa, Norikatsu, Boschi, Chiara, Dunkel, Kristina G., Quéméneur, Marianne, Whattam, Scott A., Mayhew, Lisa, Harris, Michelle, Bayrakci, Gaye, Behrmann, Jan-Hinrich, Herrero-Bervera, Emilio, Hesse, Kirsten, Liu, Hai-Quan, Ratnayake, Amila Sandaruwan, Twing, Katrina, Weis, Dominique, Zhao, Rui, Bilenker, Laura (2018) Magmatism, serpentinization and life: Insights through drilling the Atlantis Massif (IODP Expedition 357) Lithos, 323. 137-155 doi:10.1016/j.lithos.2018.09.012 | Journal (article/letter/editorial) | | serpentinization and life: Insights through drilling the Atlantis Massif (IODP Expedition 357) Gretchen L. Früh-Green...serpentinization and life: Insights through drilling the Atlantis Massif (IODP Expedition 357). Lithos (2018), doi:10...serpentinization and life: Insights through drilling the Atlantis Massif (IODP Expedition 357) Gretchen L. Früh-Greena...Zürich, Switzerland b Bigelow Laboratory for Ocean Sciences, East Boothbay, ME, USA c University...6151, Australia. Present address: Atmosphere and Ocean Research Institute, The University of Tokyo 5-1-5 |  | | Journal (article/letter/editorial) | | geochemistry of serpentinites and gabbros of the Atlantis Massif (IODP Site U1309) Adélie Delacour a,*,1, Gretchen...crust at the central dome of the Atlantis Massif (Mid-Atlantic Ridge, 30°N) were drilled during Expeditions...Expeditions 304 and 305 of the Integrated Ocean Drilling Program (IODP) and a 1.4 km section of predominantly...southern wall of the Atlantis Massif, which hosts the Lost City Hydrothermal Field, 5 km to the south....with the serpentinites and gabbros of the Lost City hydrothermal system. Our studies are consistent with |  | | Journal (article/letter/editorial) | | during serpentinization and metasomatism at the Atlantis Massif (MAR 30°N): Insights from B and Sr isotope...Abstract The Lost City hydrothermal system at the southern Atlantis Massif (Mid-Atlantic Ridge, 30°N) provides... the temporal evolution of ultramafic-hosted hydrothermal systems, and alteration conditions during formation...formation and emplacement of an oceanic core complex. Here we present B, O, and Sr isotope data to investigate...exhumation of lithospheric sequences within the Atlantis Massif. Our data indicate that extensive serpentinization |  | Lafay, Romain, Baumgartner, Lukas P., Stephane, Schwartz, Suzanne, Picazo, German, Montes-Hernandez, Torsten, Vennemann (2017) Petrologic and stable isotopic studies of a fossil hydrothermal system in ultramafic environment (Chenaillet ophicalcites, Western Alps, France): Processes of carbonate cementation. Lithos, 294. 319-338 doi:10.1016/j.lithos.2017.10.006 | Journal (article/letter/editorial) | | Petrologic and stable isotopic studies of a fossil hydrothermal system in ultramafic environment (Chenaillet...Petrologic and stable isotopic studies of a fossil hydrothermal system in ultramafic environment (Chenaillet...Petrologic and stable isotopic studies of a fossil hydrothermal system in ultramafic environment (Chenaillet...Chenaillet ophiolitic complex (Western Alps) represents parts of an oceanic core-complex of the Liguria-Piemonte...strongly oversaturated fluid due most likely to hydrothermal fluid cooling and decompression. MA Later |  | | Journal (article/letter/editorial) | | discoveries of serpentinite-hosted seafloor CE hydrothermal vent fields, where the released hydrogen is...peridotites have revealed that serpentinization is a complex 3 ACCEPTED MANUSCRIPT process with mineral modal...2014; Oyanagi et al., 2015). To identify these complex processes, textural MA observations of natural...variable degree of serpentinization are essential, and ocean-floor drilling provides an opportunity to observe...from the Central Indian Ridge and discussed its implications for a hydrothermal fluid-depending ecosystem |  | | Report (issue) | | Kasahara, Pavel Izbekov, and Johnathan Lees (Eds.) 173 Ocean Circulation: Mechanisms and Impacts—Past and Future...Ellen R. Stofan, and Thomas E. Cravens (Eds.) 177 Ocean Modeling in an Eddying Regime Matthew Hecht and...Hasumi (Eds.) 178 Magma to Microbe: Modeling Hydrothermal Processes at Oceanic Spreading Centers Robert... S. Reeve, and Lee D. Slater (Eds.) 185 Indian Ocean Biogeochemical Processes and Ecological Variability...John Gash, and Pedro Silva Dias (Eds.) 187 Surface Ocean–Lower Atmosphere Processes Corinne Le Quèrè and |  | | Journal (article/letter/editorial) | | 421 218 65406 MA ABSTRACT D Circulation of hydrothermal fluids within the oceanic crust is a major factor...massive sulfide have been reported along the mid-ocean ridges, showing AC CE effective mass transfer...at 250°C and 400 bars that placed an H2S-rich hydrothermal fluid into contact with four different rock...resulting in NU andradite formation. The stability field of sulfide in the H2-H2S activity plane is diminished...CE activities plot in the pyrrhotite stability field of the Fe-O-S phase diagram. We suggest that the |  | Chen, Zhi-qiang, Zhou, Huai-yang, Liu, Yang, Yang, Qun-hui, Li, Ji-wei, Dick, Henry J.B. (2013) Influence of igneous processes and serpentinization on geochemistry of the Logatchev Massif harzburgites (14°45′N, Mid-Atlantic Ridge), and comparison with global abyssal peridotites. International Geology Review, 55 (1) 115-130 doi:10.1080/00206814.2012.704674 | Journal (article/letter/editorial) | | geochemistry of the Logatchev Massif harzburgites (14◦ 45 N, Mid-Atlantic Ridge), and comparison with global...June 2012) We acquired bulk-rock analyses of Mid-Atlantic Ridge (MAR) harzburgites in order to understand...geochemical characteristics of these Logatchev Massif serpentinized and talc-altered harzburgites, and...between LREEs (e.g. La, Ce, Pr, and Nd) and high field strength elements (HFSEs; e.g. Nb and Zr), and positive...produced in the Opx–Ol–Sp melting field rather than to later hydrothermal alteration. The correlation between |  | | Book | | the Deep A Photographic Atlas of the Seafloor and Ocean Crust The deep oceans and global seafloor are truly...and fault zones in mountains a mile beneath the ocean surface, where bizarre landscapes host exotic life...components of the Earth’s ocean floor and the myriad environments found along mid-ocean ridges where new crust...explanations of how the various geological and hydrothermal features of the seafloor are formed through... Professor Karson has participated in numerous field projects and seafloor research cruises worldwide |  | | Journal (article/letter/editorial) | | online 14 November 2008 Keywords: Metasomatism Hydrothermal processes Serpentinite Rodingite Fluid–rock...becomes more affected by reactions with the gabbro, prehnite or epidote-ss replace garnet and tremolite replaces...mineralogical variability within rodingites from the ocean floor is mainly driven by steep activity gradients...Seyfried et al., 2007). Such fluids are known from mid-ocean ridge settings (Kelley et al., 2001; Kelley et al...a range of Ca–Al silicates, including zoisite, prehnite, grossular/hydrogrossular, and vesuvianite. Other |  | Halama, Ralf, Savov, Ivan P., Garbe-Schönberg, Dieter, Schenk, Volker, Toulkeridis, Theofilos (2013) Vesuvianite in high-pressure-metamorphosed oceanic lithosphere (Raspas Complex, Ecuador) and its role for transport of water and trace elements in subduction zones. European Journal of Mineralogy, 25 (2) 193-219 doi:10.1127/0935-1221/2013/0025-2281 | Journal (article/letter/editorial) | | high-pressure-metamorphosed oceanic lithosphere (Raspas Complex, Ecuador) and its role for transport of water and...occur in serpentinised peridotites of the Raspas Complex (Ecuador), which represents a piece of oceanic...LREE enrichments (LaN/SmN ¼ 1.2–5.5) point to hydrothermal alteration of the peridotite precursor rocks...gabbros and troctolites. Vesuvianite in the Raspas Complex formed by hydration and silica removal from gabbroic...subduction, vesuvianite, oceanic lithosphere, Raspas Complex, serpentinite, trace elements, fluid-rock interaction |  | Shibuya, Takazo, Komiya, Tsuyoshi, Anma, Ryo, Ota, Tsutomu, Omori, Soichi, Kon, Yoshiaki, Yamamoto, Shinji, Maruyama, Shigenori (2007) Progressive metamorphism of the Taitao ophiolite; evidence for axial and off-axis hydrothermal alterations. Lithos, 98 (1) 233-260 doi:10.1016/j.lithos.2007.04.003 | Journal (article/letter/editorial) | | Taitao ophiolite; evidence for axial and off-axis hydrothermal alterations Takazo Shibuya a,⁎, Tsuyoshi Komiya...downwards from the zeolite facies, through the prehnite–actinolite facies, greenschist facies and the...metamorphism was due to axial hydrothermal alteration at a mid-ocean ridge. Mineral assemblages and the...quartz-dominated, through epidote-dominated, to prehnite-dominated with increasing depth. Temperatures...off-axis hydrothermal alteration. Comparison between the Taitao ophiolite with its mid-ocean ridge (MOR) |  | Python, Marie, Ceuleneer, Georges, Ishida, Yoshito, Barrat, Jean-Alix, Arai, Shoji (2007) Oman diopsidites: a new lithology diagnostic of very high temperature hydrothermal circulation in mantle peridotite below oceanic spreading centres. Earth and Planetary Science Letters, 255 (3) 289-305 doi:10.1016/j.epsl.2006.12.030 | Journal (article/letter/editorial) | | lithology diagnostic of very high temperature hydrothermal circulation in mantle peridotite below oceanic...lower oceanic crust: Thermodynamic models of hydrothermal alteration, J. Geophys. Res. 103 (B1) (1998)...boundary between the fields of magmatic and hydrothermal crystallisations. © 2007 Elsevier B.V. All rights...spreading centres in the late seventies [2,3] hydrothermal circulation of seawater in the oceanic crust...earth (e.g. [4–6]). It is well established that hydrothermal circulation pervasively affects the mineralogical |  | | Journal (article/letter/editorial) | | China Craton: mantle wedge metasomatism during ocean–continent convergence Chao-Nan Hu & M Santosh To...China Craton: mantle wedge metasomatism during ocean–continent convergence, International Geology Review...China Craton: mantle wedge metasomatism during ocean–continent convergence Chao-Nan Hu a and M Santosha... K, La, and Ce with relative depletion of high field strength elements like Nb, Ta, Zr, and Hf in the...from rodingitized hornblende gabbro in Sandaogou complex show a wide range of ages as 412 Ma, 398 Ma, 383 |  | | Journal (article/letter/editorial) | | Pre-proof Environmental controls on mid-ocean ridge hydrothermal fluxes Laurence A. Coogan, William...J. Pester, Environmental controls on mid-ocean ridge hydrothermal fluxes, Chemical Geology (2019), https://doi...Pre-proof 1 Environmental controls on mid-ocean ridge hydrothermal fluxes *1Laurence A. Coogan, 2William...and 3Nicholas J. Pester 1 2 School of Earth and Ocean Sciences, University of Victoria, Victoria, Canada... ur na lP re High temperature hydrothermal fluxes at mid-ocean ridges are thought to be an important |  | | Journal (article/letter/editorial) | | reduction of CO2 to CH4. Four series of cold-seal hydrothermal experiments were performed from 1 to 3.5 kbar...effect may be particularly important on the deep ocean floors of planetary bodies where pressure may compensate...proposed to exist in basaltic and ultramafic hydrothermal systems along midocean ridges (Ingmanson and...process at hydrothermal conditions. Methane concentrations in natural and experimental hydrothermal systems...to enhance reaction yields in a variety of more complex organic reactions (e.g., Jenner, 2002). Early work |  | | Book | | 20 Metal complexation and ion association in hydrothermal fluids: insights from quantum chemistry and...temperatures and venting salinities at mid-ocean ridge hydrothermal systems T. Driesner 132 Using seafloor...as a tracer to map subseafloor fluid flow in the ocean crust A. T. Fisher and R. N. Harris 142 The potential...organic synthesis and biosynthesis at seafloor hydrothermal systems E. Shock and P. Canovas 161 vi Contents...the oil charge history of the North Sea and UK Atlantic margin. Hanor and Mercer describe the behaviour |  | | Book | | Hydrothermal Processes and Mineral Systems Hydrothermal Processes and Mineral Systems Franco Pirajno...springer.com To my wife Foreword The Earth is a complex and dynamic system that over 4.5 billion years...resources we depend on. Franco Pirajno’s book ‘‘Hydrothermal Processes and Mineral Systems’’ provides an...the development of life and extraterrestrial hydrothermal systems. Discovery and recovery of mineral resources...variety of water sources that participate in hydrothermal circulation systems (Chapter 1), the alteration |  | | Journal (article/letter/editorial) | | Gabbroic dikes in the ocean lithospheric mantle commonly undergo hydrothermal transformation to rodingites...becomes more affected by reactions with the gabbro, prehnite or epidote replace garnet and tremolite replaces...mineralogical variability within rodingites from the ocean floor is mainly driven by steep gradients in aqueous...solidii to form large plutons. Nature is undoubtably complex, and can produce exceptions to this model, but...applied to all tectonic settings, from the the mid-ocean ridges, to island arcs and continetal magmatism |  | Michalski, Joseph R., Onstott, Tullis C., Mojzsis, Stephen J., Mustard, John, Chan, Queenie H. S., Niles, Paul B., Johnson, Sarah Stewart (2018) The Martian subsurface as a potential window into the origin of life. Nature Geoscience, 11 (1) 21-26 doi:10.1038/s41561-017-0015-2 | Journal (article/letter/editorial) | | Perspective explores the possibility that the abundant hydrothermal environments on Mars might provide more valuable...today15,16. Yet, it is not simply a subsurface ocean itself that is intriguing in terms of the origin-of-life...reaction between fluids and silicate rocks at the ocean–silicate interface17 that might hold promise for...that terrestrial life originated not within an ocean environment but rather in vapour-dominated inland...Oldest life ? ? Intense impact bombardments 4 Hydrothermal activity ? Intense impact bombardments 0 1 |  | | Report (volume) | | outgassing, formation of magmatic, hydrothermal and epithermal ore deposits, ocean circulation, climate-related...volcanism currently operating on Earth, including mid-ocean ridge basalts, volcanism unassociated with plate...from continental extensional domains and continent–ocean transitions ......................................187Re–187Os ISOTOPE SYSTEM AND THE FORMATION OF MID-OCEAN RIDGE BASALT (MORB) .........................................................668 SULFIDES IN MID-OCEAN RIDGE BASALTS .................................. |  | | Book | | is a rapidly growing and truly interdisciplinary field at the interface between earth and life sciences...fuel formation, cycling of elements in the global ocean, fractionation of stable isotopes facilitating rock...in deep subseafloor, saline lakes, methane-rich ocean waters, deep sea sediments) and the textural, biological...and high radiation conditions prevail; and, in ocean waters that have high rates of anaerobic oxidation...blumenberg@zmaw.de Gerhard Bohrmann Research Center Ocean Margins, University of Bremen, Klagenfurter Strasse |  | | Book | | and Platinum in Basic Magmas . . 3.3.3 Bushveld Complex . . . . . . . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . 3.3.5 Sudbury Igneous Complex . . . . . . . . . . . . . . . . . . . . 3.4 Komatiite.... . . . . . . . . . . . . . . . . . . 142 4 Hydrothermal Deposits . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . . . . . . . 4.1 Hydrothermal Veins . . . . . . . . . . . . . . . . . . . . ....and Sandstone-Hosted Uranium Deposits . 4.15 Hydrothermal Systems on the Seafloor (Introduction) . . . |
|
