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Petrologic And Stable Isotope Constraints On Fluid Rock Interaction Serpentinization And Alteration Of Oceanic Ultramafic Rocks
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Book Synopsis Petrologic and Stable Isotope Constraints on Fluid-rock Interaction, Serpentinization and Alteration of Oceanic Ultramafic Rocks by : Alessio Andrea Plas
Download or read book Petrologic and Stable Isotope Constraints on Fluid-rock Interaction, Serpentinization and Alteration of Oceanic Ultramafic Rocks written by Alessio Andrea Plas and published by . This book was released on 1997 with total page 502 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Subseafloor Biosphere at Mid-Ocean Ridges by : William S. D. Wilcock
Download or read book The Subseafloor Biosphere at Mid-Ocean Ridges written by William S. D. Wilcock and published by American Geophysical Union. This book was released on 2004-01-09 with total page 420 pages. Available in PDF, EPUB and Kindle. Book excerpt: Published by the American Geophysical Union as part of the Geophysical Monograph Series, Volume 144. Awareness has grown over the past several years that the subseafloor may harbor a substantial biosphere sustained by volcanic heat and chemical fluxes from the Earth's interior. This realization has profound scientific implications for questions concerning the origins of life, the true extent of Earth's biosphere, and the search for life on other planets. At mid-ocean spreading centers, the fluxes that sustain life are the highest, and the hydrothermal fluids in which micro-organisms grow are readily accessible on the seafloor. In addition, periodic volcanic eruptions flush fluids and microbes from the subsurface, and volcanic gases are believed to drive spectacular microbial blooms. Although ridges are challenging locations in which to work, they are unique in the oceans because of the diversity and dynamic nature of their subsurface environments.
Book Synopsis Stable Isotope Constraints on Fluid Rock Interaction During Metamorphism (Sifnos, Cyclades, Greece) by : Benita Putlitz
Download or read book Stable Isotope Constraints on Fluid Rock Interaction During Metamorphism (Sifnos, Cyclades, Greece) written by Benita Putlitz and published by . This book was released on 1998 with total page 280 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Field Trip Guide Books written by and published by . This book was released on 2004 with total page 580 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Bollettino Svizzero Di Mineralogia E Petrografia by :
Download or read book Bollettino Svizzero Di Mineralogia E Petrografia written by and published by . This book was released on 1998 with total page 544 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Metasomatism in Oceanic and Continental Lithospheric Mantle by : Massimo Coltorti
Download or read book Metasomatism in Oceanic and Continental Lithospheric Mantle written by Massimo Coltorti and published by Geological Society of London. This book was released on 2008 with total page 376 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Stable Isotopes and Fluid Processes in Mineralization by :
Download or read book Stable Isotopes and Fluid Processes in Mineralization written by and published by . This book was released on 1990 with total page 392 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Stable Isotope Investigations of Ophicarbonate Rocks, Bergell Aureole, Valmalenco by : Diego Pozzorini
Download or read book Stable Isotope Investigations of Ophicarbonate Rocks, Bergell Aureole, Valmalenco written by Diego Pozzorini and published by . This book was released on 1996 with total page 198 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Serpentine and Serpentinites by : Wallace Gary Ernst
Download or read book Serpentine and Serpentinites written by Wallace Gary Ernst and published by Geological Society of America. This book was released on 2004 with total page 620 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Proceedings of the Ocean Drilling Program by : Ocean Drilling Program
Download or read book Proceedings of the Ocean Drilling Program written by Ocean Drilling Program and published by . This book was released on 1996 with total page 574 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fluid-rock Interaction Processes During Subduction and Exhumation of Oceanic Crust by : Rauno Baese
Download or read book Fluid-rock Interaction Processes During Subduction and Exhumation of Oceanic Crust written by Rauno Baese and published by . This book was released on 2012 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Using Geochemical Data by : Hugh Rollinson
Download or read book Using Geochemical Data written by Hugh Rollinson and published by Cambridge University Press. This book was released on 2021-05-06 with total page 359 pages. Available in PDF, EPUB and Kindle. Book excerpt: This textbook is a complete rewrite, and expansion of Hugh Rollinson's highly successful 1993 book Using Geochemical Data: Evaluation, Presentation, Interpretation. Rollinson and Pease's new book covers the explosion in geochemical thinking over the past three decades, as new instruments and techniques have come online. It provides a comprehensive overview of how modern geochemical data are used in the understanding of geological and petrological processes. It covers major element, trace element, and radiogenic and stable isotope geochemistry. It explains the potential of many geochemical techniques, provides examples of their application, and emphasizes how to interpret the resulting data. Additional topics covered include the critical statistical analysis of geochemical data, current geochemical techniques, effective display of geochemical data, and the application of data in problem solving and identifying petrogenetic processes within a geological context. It will be invaluable for all graduate students, researchers, and professionals using geochemical techniques.
Book Synopsis Metasomatism and the Chemical Transformation of Rock by : Daniel Harlov
Download or read book Metasomatism and the Chemical Transformation of Rock written by Daniel Harlov and published by Springer Science & Business Media. This book was released on 2012-08-14 with total page 804 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fluid-aided mass transfer and subsequent mineral re-equilibration are the two defining features of metasomatism and must be present in order for metamorphism to occur. Coupled with igneous and tectonic processes, metasomatism has played a major role in the formation of the Earth’s continental and oceanic crust and lithospheric mantle as well as in their evolution and subsequent stabilization. Metasomatic processes can include ore mineralization, metasomatically induced alteration of oceanic lithosphere, mass transport in and alteration of subducted oceanic crust and overlying mantle wedge, which has subsequent implications regarding mass transport, fluid flow, and volatile storage in the lithospheric mantle overall, as well as both regional and localized crustal metamorphism. Metasomatic alteration of accessory minerals such as zircon or monazite can allow for the dating of metasomatic events as well as give additional information regarding the chemistry of the fluids responsible. Lastly present day movement of fluids in both the lithospheric mantle and deep to mid crust can be observed utilizing geophysical resources such as electrical resistivity and seismic data. Such observations help to further clarify the picture of actual metasomatic processes as inferred from basic petrographic, mineralogical, and geochemical data. The goal of this volume is to bring together a diverse group of geologists, each of whose specialities and long range experience regarding one or more aspects of metasomatism during geologic processes, should allow them to contribute to a series of review chapters, which outline the basis of our current understanding of how metasomatism influences and helps to control both the evolution and stability of the crust and lithospheric mantle.
Book Synopsis A Stable Isotope Investigation Into Fluid-rock Interaction During Regional Metamorphism in Western Dronning Maud Land by : Warren Peter Johnstone
Download or read book A Stable Isotope Investigation Into Fluid-rock Interaction During Regional Metamorphism in Western Dronning Maud Land written by Warren Peter Johnstone and published by . This book was released on 2001 with total page 368 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Economic Geology and the Bulletin of the Society of Economic Geologists by :
Download or read book Economic Geology and the Bulletin of the Society of Economic Geologists written by and published by . This book was released on 2005 with total page 958 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Petrogenesis of Metamorphic Rocks by : Kurt Bucher
Download or read book Petrogenesis of Metamorphic Rocks written by Kurt Bucher and published by Springer Science & Business Media. This book was released on 2013-04-17 with total page 298 pages. Available in PDF, EPUB and Kindle. Book excerpt: Metamorphic rocks are one of the three classes of rocks. Seen on a global scale they constitute the dominant material of the Earth. The understanding of the petrogenesis and significance of metamorphic of geological education. rocks is, therefore, a fundamental topic There are, of course, many different possible ways to lecture on this theme. This book addresses rock metamorphism from a relatively pragmatic view point. It has been written for the senior undergrad uate or graduate student who needs practical knowledge of how to interpret various groups of minerals found in metamorphic rocks. The book is also of interest for the non-specialist and non-petrolo gist professional who is interested in learning more about the geolo gical messages that metamorphic mineral assemblages are sending, as well as pressure and temperature conditions of formation. The book is organized into two parts. The first part introduces the different types of metamorphism, defines some names, terms and graphs used to describe metamorphic rocks, and discusses principal aspects of metamorphic processes. Part I introduces the causes of metamorphism on various scales in time and space, and some principles of chemical reactions in rocks that accompany metamorphism, but without treating these principles in detail, and presenting the thermodynamic basis for quantitative analysis of reactions and their equilibria in metamorphism. Part I also presents concepts of metamorphic grade or intensity of metamorphism, such as the metamorphic-facies concept.
Book Synopsis Mass Transfer and Chemical Interactions in Subduction Zones by : Emmanuel Avila Codillo
Download or read book Mass Transfer and Chemical Interactions in Subduction Zones written by Emmanuel Avila Codillo and published by . This book was released on 2023 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Subduction zones are important sites of material recycling on Earth, with volatiles playing key roles in mass transfer processes and magma formation. This thesis investigates outstanding questions associated with a continuum of interrelated processes that occur as oceanic plates descend in subduction zones by integrating petrological and geochemical constraints from exhumed high-pressure rocks and erupted arc magmas, high pressure-temperature laboratory experiments, and thermodynamic calculations. Chapters 2 and 3 investigate the fluid-mediated reactions between mafic and ultramafic rocks at conditions relevant to the slab-mantle interface and show that Mg-metasomatism of mafic rocks to form chlorite-rich assemblages is favored and is likely more pervasive in subduction zones than in oceanic settings. Contrary to common belief, talc is unlikely to form in high abundance in ultramafic rocks metasomatized by Si-rich slabderived fluids. This means that talc-rich assemblages formed via Si-metasomatism along the slabmantle interface are less likely to be playing prominent roles in volatile transport, in facilitating slow-slip events, and in controlling the decoupling-coupling transition of the plate interface. Chapter 4 experimentally investigates the phase equilibria, melting, and density evolution of mélange rocks that formed by mixing and fluid-rock interactions. Results show that melting of mélanges is unlikely to occur along slab-tops at pressures ≤ 2.5 GPa. Accordingly, diapirism into the hotter mantle wedge would be required to initiate melting. The density contrast between mélanges and the overlying mantle would allow for buoyancy-driven diapirism at relatively low pressures and melting could subsequently occur in the hotter mantle wedge during ascent. However, diapir buoyancy may be limited at higher pressures due to the formation of abundant garnet especially in mélange rocks with peraluminous composition. Chapter 5 experimentally investigates the compositions of melts and mineral residues from melting of a mantle wedge hybridized with small amounts of mélange rocks to simulate an end-member scenario where solid mélange diapirs dynamically interact with the mantle wedge. Results from laboratory experiments show that melting of a mélange-hybridized mantle wedge can produce melts that display compositional characteristics similar to arc magmas. Finally, Chapter 6 presents new interpretations on the evolution of slab-to-mantle transfer mechanisms from subduction initiation to arc maturity. Analyses of published magma compositions from global arcs reveal that melting of mélange plays an increasingly important role in magma formation as slab-tops cool and arcs mature over time. This trend is attributed to the deepening of the decoupled plate interface during subduction where mélange zones can form more extensively and contribute to the melting process more significantly. Taken together, this thesis highlights (i) the dynamic connection between mechanical mixing of different lithologies and fluid-rock interactions along the slab-mantle interface, (ii) how these processes modify the petrophysical and geochemical properties of subducted materials, and (iii) how these processes collectively influence the mechanisms of slabto-mantle transfer, elemental cycles, and the formation of arc magmas worldwide.
