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Iron distribution in orthopyroxene; a comparison of Moessbauer spectroscopy and X-ray refinement results

Henrik Skogby, Hans Annersten, Maria Chiara Domeneghetti, Gianmario Molin and Vittorio Tazzoli
Iron distribution in orthopyroxene; a comparison of Moessbauer spectroscopy and X-ray refinement results
European Journal of Mineralogy (June 1992) 4 (3): 441-452

Abstract

The Fe-Mg distribution over the M1 and M2 octahedral sites in five chemically analysed orthopyroxenes (FeO 4.58-30.54%) has been determined by XRD and Mossbauer spectroscopy. The results using the two methods agree for the two samples with intermediate composition but diverge for the two Fe-poor and one Al-rich sample (from a granulite); XRD indicates a more ordered Fe-Mg distribution. A formula for correcting Mossbauer data to take account of the thickness effect is proposed.


ISSN: 0935-1221
Serial Title: European Journal of Mineralogy
Serial Volume: 4
Serial Issue: 3
Title: Iron distribution in orthopyroxene; a comparison of Moessbauer spectroscopy and X-ray refinement results
Affiliation: Uppsala University, Department of Mineralogy and Petrology, Uppsala, Sweden
Pages: 441-452
Published: 199206
Text Language: English
Publisher: Schweizerbart'sche Verlagsbuchhandlung (Naegele u. Obermiller), Stuttgart, Federal Republic of Germany
References: 23
Accession Number: 1995-056306
Categories: Mineralogy of silicates
Document Type: Serial
Bibliographic Level: Analytic
Illustration Description: 6 tables
Secondary Affiliation: CNR, ITA, ItalyUniversita di Messina, ITA, Italy
Country of Publication: Germany
Secondary Affiliation: GeoRef, Copyright 2017, American Geosciences Institute. Reference includes data from Mineralogical Abstracts, United KingdomTwickenhamUKUnited Kingdom
Update Code: 199520
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