Berry, Andrew John; Yaxley, Gregory; Woodland, Alan; Foran, Garry
Iron K-edge X-ray absorption near edge structure (XANES) spectra were recorded for synthetic garnets of the almandine-skiagite (Fe3Al2Si3O12-Fe3Fe2Si3O12), andradite-skiagite (Ca3Fe2Si3O12-Fe3Fe2Si3O12), Fe-knorringite-skiagite (Fe3Cr2Si3O12-Fe3Fe2Si3O12), and andradite-grossular (Ca3Fe2Si3O12-Ca3Al2Si3O12) solid solutions. Fe3+/ΣFe varied systematically in these samples from 0 to 1. The variation in the energy and intensity of spectral features as a function of Fe3+/ΣFe was investigated to...[Show more]
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