Electrical conductivity of the Earth's lower mantle

Conductivity measurements on samples with compositions approximating that of the lower mantle, at pressures of 1.2 to 40 Gpa and temperatures in the range of 20 to 400 degrees C are discussed. Results agree with those of previous studies.

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Bibliographic Details
Published inNature (London) Vol. 366; no. 6454; pp. 453 - 455
Main Authors Shankland, T. J, Peyronneau, J, Poirier, J.-P
Format Journal Article
LanguageEnglish
Published London Nature Publishing 02.12.1993
Nature Publishing Group
Subjects
Earth sciences
Earth, ocean, space
Electricity
Exact sciences and technology
Geology
Internal geophysics
Lower mantle
Physics
Solid-earth geophysics, tectonophysics, gravimetry
electrical field
experimental studies
lower mantle
P-T conditions
geomagnetic field
electrical conductivity
core-mantle boundary
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Summary:Conductivity measurements on samples with compositions approximating that of the lower mantle, at pressures of 1.2 to 40 Gpa and temperatures in the range of 20 to 400 degrees C are discussed. Results agree with those of previous studies.
ISSN:0028-0836
1476-4687
DOI:10.1038/366453a0