Asthenosphere dynamics based on the H2O dependence of element diffusivity in olivine-Reference-Cited by-同舟云学术

Asthenosphere dynamics based on the H2O dependence of element diffusivity in olivine

Published:2020-11-12 Issue:4 Volume:8 Page:
ISSN:2095-5138
Container-title:National Science Review
language:en
Short-container-title:

Author:

Katsura Tomoo¹²^ORCID,Fei Hongzhan¹^ORCID

Affiliation:

1. Bayerisches Geoinstitut, University of Bayreuth, Germany

2. Center for High Pressure Science and Technology Advanced Research, China

Abstract

The oceanic asthenosphere shows two enigmatic features: low viscosity and high electrical conductivity. Their origins gather wide attention, but remain unsolved. Recent self-diffusivity measurements as a function of H2O content in olivine demonstrated that the H2O-incorporation in olivine cannot soften the asthenosphere, but it enhances the ionic conductivity, and causes the high-conductivity anomaly.

Publisher

Oxford University Press (OUP)

Subject

Multidisciplinary

Link

http://academic.oup.com/nsr/advance-article-pdf/doi/10.1093/nsr/nwaa278/36157610/nwaa278.pdf

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