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Erratum (Calibration of Fe XANES for high-precision determination of Fe oxidation state in glasses: Comparison of new and existing results obtained at different synchrotron radiation sources) by A. Fiege,P. Ruprecht,A.C. Simon,A.S. Bell,J. Göttlicher,M. Newville,T. Lanzirotti,and G. Moore is a Earth and Planetary Sciences article available to read on EtoBox.

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Figure 3. (a-d) Calibration trends for the determination of the Fe oxidation state in glasses based on the centroid energy of the Fe pre-edge peak. (a) Only results from this study. The felsic glasses cover a range of compositions from dacitic andesite to rhyolite. The red crosses are analyses from another session (the outlier marked in Fig. 1 is excluded). The gray lines provide an example for the determined uncertainties for the individual equations (here, trends are plotted for Eq. 1). (b) Reference glass data from three previous studies and from this study. The plotted data set covers glass compositions ranging from felsic to mafic and Fe XANES spectra were collected at four different synchrotron radiation sources (APS, ANKA, ESRF, DESY). The results of Berry et al. (2003) and Cottrell et al. (2009) are excluded (see text for details). The gray lines reflect trends for ±6% Fe 3+ /SFe. At least 64% of the compiled data with <60% Fe 3+ /SFe are covered by this range. Here, the 64% are a minimum value since the individual uncertainties are not considered. Notice that Fe 3+ / SFe ratios of ≥60% in magmas are rare (Carmichael 1991). (c) Comparison of results from Fe XANES analyses o

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Author

A. Fiege,P. Ruprecht,A.C. Simon,A.S. Bell,J. Göttlicher,M. Newville,T. Lanzirotti,and G. Moore

Publisher

Mineralogical Society of America

Published

2017

Language

EN

Field

Earth and Planetary Sciences (Physical Sciences)