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In-situ measurements of magmatic volatile elements, F, S, and Cl, by electron microprobe, secondary ion mass spectrometry, and heavy ion elastic recoil detection analysis

Estelle F. Rose-Koga, Kenneth T. Koga, Jean-Luc Devidal, Nobumichi Shimizu, Marion Le Voyer, Celia Dalou and Max Doebeli
In-situ measurements of magmatic volatile elements, F, S, and Cl, by electron microprobe, secondary ion mass spectrometry, and heavy ion elastic recoil detection analysis
American Mineralogist (May 2020) 105 (5): 616-626

Abstract

Electron probe and ion probe are the two most used instruments for in situ analysis of halogens in geological materials. The comparison of these two methods on widely distributed glass standards (example: MPI-DING glasses, Jochum et al., G-cubed, 2006) provides a basis for establishing laboratory method, independent geochemical data sets for these elements. We report analyses of F, S, and Cl concentrations in three geological glass samples (EPMA) and 10 referenced standards (EPMA and SIMS). Furthermore, F and Cl absolute abundances have been determined independently for three of the standards (KL2-G, ATHO-G, and KE12), via heavy ion elastic recoil detection analysis (HIERDA), to certify the accuracy of the cross-calibration EPMA-SIMS. The detection limits for EPMA are a 150 mu g.g (super -1) for F, 20 mu g.g (super -1) for S and Cl, and for SIMS < 48 mu g.g (super -1) for F, < 3 mu g.g (super -1) for S, and <19 mu g.g (super -1) for Cl. On SiO (sub 2) -rich glass-standards, F and Cl measurements by HIERDA highlight a weak matrix effect during SIMS analysis of F and Cl. With the HIERDA independently measured value, we therefore propose an alternative calibration function to empirically correct this matrix effect on the SIMS measurements of F, S, and Cl.


ISSN: 0003-004X
EISSN: 1945-3027
Coden: AMMIAY
Serial Title: American Mineralogist
Serial Volume: 105
Serial Issue: 5
Title: In-situ measurements of magmatic volatile elements, F, S, and Cl, by electron microprobe, secondary ion mass spectrometry, and heavy ion elastic recoil detection analysis
Affiliation: Universite Clermont Auvergne, Laboratoire Magmas et Volcans, Clermond-Ferrand, France
Pages: 616-626
Published: 202005
Text Language: English
Publisher: Mineralogical Society of America, Washington, DC, United States
References: 105
Accession Number: 2020-049471
Categories: General geochemistry
Document Type: Serial
Bibliographic Level: Analytic
Illustration Description: illus. incl. 3 tables
Secondary Affiliation: Woods Hole Oceanographic Institution, USA, United StatesSmithsonian Institution, National Museum of Natural History, USA, United StatesUniversite de Lorraine, Centre de Recherches Petrographiques et Geochimiques, FRA, FranceETH Zuerich, CHE, Switzerland
Country of Publication: United States
Secondary Affiliation: GeoRef, Copyright 2020, American Geosciences Institute. Abstract, copyright, Mineralogical Society of America. Reference includes data from GeoScienceWorld, Alexandria, VA, United States
Update Code: 202014
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