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The incorporation mechanisms and diffusion kinetics of hydrogen in olivine

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Authors:Zhang Peipei; Liu Jia
Author Affiliations:Primary:
University of Science and Technology of China, School of Earth and Space Sciences, Beijing, China
Volume Title:Yanshi Kuangwuxue Zazhi Acta Petrologica et Mineralogica
Source:Yanshi Kuangwuxue Zazhi = Acta Petrologica et Mineralogica, 32(5), p.708-732. Publisher: Science Press, Beijing, China. ISSN: 1000-6524
Publication Date:2013
Note:In Chinese with English summary. 101 refs.; illus.
Summary:OHincorporated in nominally anhydrous minerals(NAMs) has received increasing attention due to its profound influence on the chemical and physical properties of minerals. Olivine is the most abundant mineral phase in the upper mantle, and a trace amount of water in its structure would lead to a large effecton the rheology and conductivity of the upper mantle. Thus, the knowledge of the mechanisms of Hincorporation in olivine's structure and the mechanisms and rate of H diffusion in its lattice is helpful to understand the water circulation between the surface and the deep earth and to explain the rhelogically and magnetotellurically observed data. In this paper, the authors compiled studies of olivine during the last two past decadeson how Hassociated with different point defects correlate with the apparent infrared absorption bands, how these different Hdiffuse through the lattice and how fast these diffusive fluxes occur. The problems existent in these researches are also pointed out in this paper.
Subjects:Crystal chemistry; Diffusion; Electrical conductivity; Geochemistry; Geophysics; Hydrogen; Infrared spectra; Kinetics; Mantle; Nesosilicates; Olivine; Olivine group; Orthosilicates; Rheology; Silicates; Spectra; Upper mantle
Record ID:783798-11
Copyright Information:GeoRef, Copyright 2021 American Geosciences Institute.
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