Open Access, thanks to the authors’ funding. Article available to all readers via GSW (http://ammin.geoscienceworld.org) and the MSA web site.

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 (February, vol. 102, p. 369–380, 2017. Article DOI: http://dx.doi.org/10.2138/am-2017-5822. Erratum DOI: https://doi.org/10.2138/am-2017-E102410.)

Figure 3 of this article was published without the key to the symbols used. We have the corrected figure below.