Hydroxyl groups in β-Mg2SiO4

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Authors:McMillan, Paul F.; Akaogi, Masaki; Sato, Robert K.; Poe, Brent; Foley, Jeff
Author Affiliations:Primary:
Ariz. State Univ., Dep. Chem., Tempe, AZ, United States
Other:
Gakushuin Univ., Japan
Volume Title:American Mineralogist
Source:American Mineralogist, 76(3-4), p.354-360. Publisher: Mineralogical Society of America, Washington, DC, United States. ISSN: 0003-004X
Publication Date:1991
Note:In English. 26 refs.; illus. incl. 1 table
Summary:Beta-Mg2SiO4 is likely to be an important phase within the transition zone ofthe Earth's mantle at a depth of 400-500 km. Recent calculations have suggested that beta -Mg2SiO4 might accept OH groups into its crystal structure and that the phase could be a source for H2O in the mantle. [J.A.Z.]
Subjects:Composition; Crystal chemistry; Crystal structure; Experimental studies; Geophysics; High pressure; Hydrates; Hydroxyl ion; Infrared spectra; Magnesian silicates; Mantle; Minerals; Phase transitions; Pressure; Raman spectra; Silicates; Spectra; Synthetic materials; Water
Abstract Numbers:92M/0212
Record ID:1991040163
Copyright Information:GeoRef, Copyright 2019 American Geosciences Institute. Reference includes data from Mineralogical Abstracts, United Kingdom, Twickenham, United Kingdom
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