Minor element partitioning between fcc Fe metal and Fe-S liquid at high pressure: the role of crystal lattice strain

A.J. Stewart, W. van Westrenen, M.W. Schmidt, D. Guenther

    Research output: Contribution to JournalArticleAcademicpeer-review

    Abstract

    We present a new approach to model element distribution between solid and liquid metal phases, based on experimentally determined data for the partitioning of P, S, selected transition metals, and chalcophile elements between face-centred cubic (fcc) Fe and Fe-S liquid at pressures of 9, 15 and 23 GPa and temperatures between 1523 and 1773 K. Solid/liquid partition coefficients (D) for the transition metals V, Cr, Mn, Fe, Co, and Ni range from a minimum D of 0.16-0.64 for V to a maximum D of 1.1-1.2 for Co, indicating modest but significant fractionation. D for the chalcophile elements Cu, Zn, Ga, Sn, and Pb varies from 0.029-0.051 for D
    Original languageEnglish
    Pages (from-to)302-309
    JournalEarth and Planetary Science Letters
    Volume284
    DOIs
    Publication statusPublished - 2009

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