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Experimental evidence supporting a global melt layer at the base of the Earth’s upper mantle

By D. Freitas, G. Manthilake, F. Schiavi, J. Chantel, N. Bolfan-Casanova, M. A. Bouhifd and D. Andrault

Abstract

A 56–60 km thick low velocity layer exists at the base of the Earth’s upper mantle. Here, the authors experimentally reproduced the wadsleyite-to-olivine transition in the upwelling mantle and show that the low velocity anomaly can be explained by melting of hydrous peridotite

Topics: Science, Q
Publisher: Nature Publishing Group
Year: 2017
DOI identifier: 10.1038/s41467-017-02275-9
OAI identifier: oai:doaj.org/article:c956bfd349c5415289a3f66f3adfff45
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