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Author: Youxue Zahng
Publisher: Walter de Gruyter GmbH & Co KG
ISBN: 1501508393
Category : Science
Languages : en
Pages : 1056
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Book Description
Volume 72 of Reviews in Mineralogy and Geochemistry represents an extensive compilation of the material presented by the invited speakers at a short course on Diffusion in Minerals and Melts held prior (December 11-12, 2010) to the Annual fall meeting of the American Geophysical Union in San Francisco, California. The short course was held at the Napa Valley Marriott Hotel and Spa in Napa, California and was sponsored by the Mineralogical Society of America and the Geochemical Society.
Author: Youxue Zahng
Publisher: Walter de Gruyter GmbH & Co KG
ISBN: 1501508393
Category : Science
Languages : en
Pages : 1056
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Book Description
Volume 72 of Reviews in Mineralogy and Geochemistry represents an extensive compilation of the material presented by the invited speakers at a short course on Diffusion in Minerals and Melts held prior (December 11-12, 2010) to the Annual fall meeting of the American Geophysical Union in San Francisco, California. The short course was held at the Napa Valley Marriott Hotel and Spa in Napa, California and was sponsored by the Mineralogical Society of America and the Geochemical Society.
Author: Paul Shewmon
Publisher: Springer
ISBN: 3319482068
Category : Technology & Engineering
Languages : en
Pages : 243
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Book Description
This book offers detailed descriptions of the methods available to predict the occurrence of diffusion in alloys subjected to various processes. Major topic areas covered include diffusion equations, atomic theory of diffusion, diffusion in dilute alloys, diffusion in a concentration gradient, diffusion in non-metals, high diffusivity paths, and thermo- and electro-transport.
Author: Mead Le Roy Jensen
Publisher:
ISBN:
Category :
Languages : en
Pages : 192
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Book Description
Author: Leonid L. Perchuk
Publisher: Springer Science & Business Media
ISBN: 1461231280
Category : Science
Languages : en
Pages : 351
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Book Description
Physical Chemistry of Magmas investigates the properties, structure, and phase relationships of silicate melts with invited contributions from an international team of experts. Data and some rules for estimating the properties and structures of melts, as well as the implications of the physical chemistry of silicate liquids to igneous petrology are presented. The second section then focuses on phase relationships, with particular attention on the application of experimental and theoretical petrology to modeling the origin of certain magmas.
Author: M. W. Ammann
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Absolute diffusion rates in minerals of the Earth's lower mantle are calculated from first principles using density functional theory. The agreement with the available experimental data is excellent and provides confidence in predicting diffusivities in regions of the lower mantle inaccessible to current experimental techniques. I have calculated the diffusivity of all constituting species in ferro-periclase ((Fe,Mg)O), (Fe,Mg)SiO3 perovskite and MgSiO3 post-perovskite. This enables me to put tight constraints on the viscosity of the Earth's lower mantle, and, in particular, on the viscosity of post-perovskite for which no experimental data are available. I find that perovskite deforming in diffusion creep can readily reproduce the Earth's lower mantle viscosity profile that has been inferred from inversion modelling. I also show that postperovskite is either much stiffer (if also deforming in diffusion creep) or up to four orders of magnitude weaker than perovskite (if deforming in dislocation creep). This leads to a new interpretation of the sharp seismic reflector in the lowermost lower mantle, known as D00, as the onset of a sudden rheological transition and the generation of a mineral texture therewith. Finally, I also find that the pressure induced high-to-low-spin transition of iron in ferro-periclase and perovskite has a negligible effect on the rheology of the lower mantle.
Author: Carlo Maria Gramaccioli
Publisher: The Mineralogical Society of Great Britain and Ireland
ISBN:
Category : Science
Languages : en
Pages : 452
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Book Description
Nothing provided
Author: Michael Walter Ammann
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
Author: Hans Keppler
Publisher: Walter de Gruyter GmbH & Co KG
ISBN: 1501509470
Category : Science
Languages : en
Pages : 500
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Book Description
Volume 62 of Reviews in Mineralogy and Geochemistry reviews the recent research in the geochemistry and mineral physics of hydrogen in the principal mineral phases of the Earth's crust and mantle. Contents: Analytical Methods for Measuring Water in Nominally Anhydrous Minerals The Structure of Hydrous Species in Nominally Anhydrous Minerals: Information from Polarized IR Spectroscopy Structural Studies of OH in Nominally Anhydrous Minerals Using NMR Atomistic Models of OH Defects in Nominally Anhydrous Minerals Hydrogen in High Pressure Silicate and Oxide Mineral Structures Water in Nominally Anhydrous Crustal Minerals: Speciation, Concentration, and Geologic Significance Water in Natural Mantle Minerals I: Pyroxenes Water in Natural Mantle Minerals II: Olivine, Garnet and Accessory Minerals Thermodynamics of Water Solubility and Partitioning The Partitioning of Water Between Nominally Anhydrous Minerals and Silicate Melts The Stability of Hydrous Mantle Phases Hydrous Phases and Water Transport in the Subducting Slab Diffusion of Hydrogen in Minerals Effect of Water on the Equation of State of Nominally Anhydrous Minerals Remote Sensing of Hydrogen in Earth's Mantle
Author: Matteo Masotta
Publisher: John Wiley & Sons
ISBN: 111956445X
Category : Science
Languages : en
Pages : 29
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Book Description
A comprehensive picture of the architecture of crustal magmatic systems The composition of igneous rocks – their minerals, melts, and fluids – reveals the physical and chemical conditions under which magmas form, evolve, interact, and move from the Earth’s mantle through the crust. These magma dynamics affect processes on the surface including crustal growth and eruptive behaviour of volcanoes. Crustal Magmatic System Evolution: Anatomy, Architecture, and Physico-Chemical Processes uses analytical, experimental, and numerical approaches to explore the diversity of crustal processes from magma differentiation and assimilation to eruption at the surface. Volume highlights include: Physical and chemical parameterization of crustal magmatic systems Experimental, theoretical and modelling approaches targeting crustal magmatic processes Timescales of crustal magmatic processes, including storage, recharge, and ascent through volcanic conduits The American Geophysical Union promotes discovery in Earth and space science for the benefit of humanity. Its publications disseminate scientific knowledge and provide resources for researchers, students, and professionals. Find out more about this book in a Q&A with the Editors.
Author: Jibamitra Ganguly
Publisher: Springer Science & Business Media
ISBN: 1461390192
Category : Science
Languages : en
Pages : 580
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Book Description
One of the fundamental objectives of physical geochemistry is to understand the evolution of geochemical systems from microscopic to regional and global scales. At present there seems to be a general recognition of the fact that internal properties of minerals record important aspects of the evolutionary history of their host rocks which may be unraveled by very fine scale observations. A major focus in the development of geochemical research in the last thirty years has been the application of classical thermodynamics to reconstruct the conditions at which the states of quenched mineralogical properties of rocks have equilibrated during the course of their evolution. While these works have funda mentally influenced our understanding ofthe physico-chemical history ofrocks, in recent years petrologists, mineralogists, and geochemists have been making greater efforts towards the application of kinetic theories in order to develop a better appreciation of the temporal details of geochemical processes. The present volume brings together a variety of current research on transport in systems of geochemical interest from atomic to outcrop scales. A major theme is atomic migration or diffusion, and its various manifestations on microscopic and macroscopic scales. Transport in the solid state is controlled by diffusion and is responsible for the states of atomic ordering and relaxation of composi tional zoning in minerals, development of compositional zoning during cooling, exsolution lamellae, and creep.
