The effect of sediment recycling in subduction zones on the Hf isotope character of new arc crust, Banda arc, Indonesia

O. Nebel, P.Z. Vroon, W. van Westrenen, T. Iizuka, G.R. Davies

    Research output: Contribution to JournalArticleAcademicpeer-review

    Abstract

    A large portion of Earth's crust is formed at convergent plate boundaries that are accompanied by the subduction of sediments that can contain evolved crust-derived detritus. Partial melting of such sediments can strongly affect the trace element and isotope geochemistry of new arc rocks. Here, we present high-precision Lu-Hf-Zr concentration data and Hf isotope compositions for a series of volcanic rocks from the Banda arc, East Indonesia, to quantify the transfer of subducted Hf to the Banda arc crust and address the influence of recycled Hf in subduction zones on the Hf isotope systematics of arc rocks. Along-arc from NE to SW, the
    Original languageEnglish
    Pages (from-to)240-250
    JournalEarth and Planetary Science Letters
    Volume2011
    Issue number303
    DOIs
    Publication statusPublished - 2011

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