magnetotelluricadj.
/maɡˌniːtəʊtɛˈljʊərɪk/, /maɡˌniːtəʊtᵻˈljʊərɪk/, U.S. /mæɡˈˌnɛdoʊtəˈˌlʊrɪk/, /mæɡˈˌnidoʊtəˈˌlʊrɪk/ Geology.
Relating to or designating a technique for investigating the electrical conductivity of the interior of the earth by measuring simultaneously fluctuations in its magnetic and electric fields at the surface.
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the world > the earth > earth sciences > geology > geophysics > [adjective] > geomagnetism
geomagnetic1858
magnetotelluric1953
palaeomagnetic1953
1953 L. Cagniard in Geophysics 18 605 (heading) Basic theory of the magneto-telluric method of geophysical prospecting.
1971 Nature 3 Sept. 13/1 To learn something about the behaviour of the upper mantle..Tammemagi and Lilley..have made four magnetotelluric soundings at 150 km intervals roughly along the latitude of Canberra.
1986 M. Teichmüller in J. Brooks et al. Habitat Palaeozoic Gas N.W. Europe 106/2 Formation of graphite in the contact-zone is indicated by anomalously low electric resistance.., measured by means of magneto-telluric methods.
This entry has been updated (OED Third Edition, March 2000; most recently modified version published online March 2022).
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adj.1953