The microanalysis of iron and sulphur oxidation states in silicate glass - Understanding the effects of beam damage

• Published in: IOP conference series. Materials Science and Engineering Vol. 891; no. 1; pp. 12014 - 12028
• Main Authors: Hughes, E C, Buse, B, Kearns, S L, Brooker, R A, Di Genova, D, Kilgour, G, Mader, H M, Blundy, J D
• Format: Journal Article
• Language: English
• Published: Bristol IOP Publishing 01.07.2020
• Subjects: Diameters; Earth crust; Earth mantle; Electron beams; Fugacity; Inclusions; Iron; Oxidation; Photon beams; Photons; Valence

Quantifying the oxidation state of multivalent elements in silicate melts (e.g., Fe2+ versus Fe3+ or S2- versus S6+) is fundamental for constraining oxygen fugacity. Oxygen fugacity is a key thermodynamic parameter in understanding melt chemical history from the Earth's mantle through the crust...