The role of hydrogen in the electrical conductivity of the upper mantle

Details The role of hydrogen in the electrical conductivity of the upper mantle The role of hydrogen in the electrical conductivity of the upper mantle

Sep 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990natur.347..272k&link_type=abstract

Nature (ISSN 0028-0836), vol. 347, Sept. 20, 1990, p. 272, 273.

Physics

156

Basalt, Earth Mantle, Electrical Resistivity, Hydrogen, Olivine, Telluric Currents, Diffusivity, Grain Boundaries, Silicates, Solubility

Scientific paper

Experimental data on the solubility and diffusivity of hydrogen in olivine are used to estimate its effect on the electrical conductivity. It is concluded that the observed high conductivity in the asthenosphere can be attributed to solid-state conductivity in olivine if a small amount of hydrogen is present. Partial melting of the asthenosphere on a global scale is therefore not required.

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