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Grain-boundary enrichment of iron on magnesium silicate perovskite
David P. Dobson, Maria Alfredson, Christian Holzapfel and John P. Brodholt
Grain-boundary enrichment of iron on magnesium silicate perovskite (in EMPG XI; Experimental mineralogy, petrology and geochemistry symposium, Jonathan D. Bundy (editor), Simon C. Kohn (editor) and Michael J. Walter (editor))
European Journal of Mineralogy (October 2007) 19 (5): 617-622
Grain-boundary enrichment of iron on magnesium silicate perovskite (in EMPG XI; Experimental mineralogy, petrology and geochemistry symposium, Jonathan D. Bundy (editor), Simon C. Kohn (editor) and Michael J. Walter (editor))
European Journal of Mineralogy (October 2007) 19 (5): 617-622
Index Terms/Descriptors
Abstract
We present a combined experimental and numerical simulations study of grain boundaries in (Fe, Mg)SiO (sub 3) perovskite. TEM observations of grain boundaries in a well equilibrated perovskite sample consistently show small but significant enrichments of Fe. This result is in good agreement with classical potentials simulations of grain boundary structures in MgSiO (sub 3) perovskite which predict substitution of iron onto grain boundaries to be energetically favourable over iron substitution in the bulk perovskite structure.
ISSN: 0935-1221
EISSN: 1617-4011
Serial Title: European Journal of Mineralogy
Serial Volume: 19
Serial Issue: 5
Title: Grain-boundary enrichment of iron on magnesium silicate perovskite
Title: EMPG XI; Experimental mineralogy, petrology and geochemistry symposium
Author(s): Dobson, David P.Alfredson, MariaHolzapfel, ChristianBrodholt, John P.
Author(s): Bundy, Jonathan D.editor
Author(s): Kohn, Simon C.editor
Author(s): Walter, Michael J.editor
Affiliation: University College London, Department of Earth Sciences,
London,
United Kingdom
Pages: 617-622
Published: 200710
Text Language: English
Publisher: Schweizerbart'sche Verlagsbuchhandlung (Naegele u. Obermiller),
Stuttgart,
Federal Republic of Germany
Meeting name: Eleventh international symposium on Experimental mineralogy, petrology and geochemistry
Meeting location: Bristol,
GBR,
United Kingdom
Meeting date: 20060911Sept. 11-13, 2006
References: 26
Accession Number: 2008-002129
Categories: Mineralogy of silicates
Document Type: Serial Conference document
Bibliographic Level: Analytic
Illustration Description: illus.
Secondary Affiliation: Universitaet des Saarlandes,
DEU,
Federal Republic of Germany
Country of Publication: Germany
Secondary Affiliation: GeoRef, Copyright 2017, American Geosciences Institute. Abstract, copyright, Schweizerbart'sche Verlagsbuchhandlung. Reference includes data from GeoScienceWorld, Alexandria, VA, United States
Update Code: 200802
