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2019 | OriginalPaper | Buchkapitel

29. On Deep Electroconductivity of Tobol-Ishim Interfluve

verfasst von : V. P. Borisova, T. A. Vasilieva, S. L. Kostuchenko, E. B. Fainberg

Erschienen in: Practical and Theoretical Aspects of Geological Interpretation of Gravitational, Magnetic and Electric Fields

Verlag: Springer International Publishing

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Abstract

The results of 1D and 2.5D modeling and inversion of amplitude and phase curves of magnetotelluric sounding in the Tobol-Ishim interfluve of Western Siberia are presented. Cross sections of the electrical conductivity of the crust and asthenosphere are constructed as well. It is suggested that there is a conductive layer lying at a depth of ~60–70 km. A decrease in the electrical resistivity of the overlying crustal layer from 1000–3000 to ~300 Ω-m which may be a sign of an increase in the conductivity of the earth’s crust is noted.

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Titel: On Deep Electroconductivity of Tobol-Ishim Interfluve
verfasst von: V. P. Borisova
T. A. Vasilieva
S. L. Kostuchenko
E. B. Fainberg
Verlag: Springer International Publishing
Buch: Practical and Theoretical Aspects of Geological Interpretation of Gravitational, Magnetic and Electric Fields
Print ISBN: 978-3-319-97669-3

Electronic ISBN: 978-3-319-97670-9

Copyright-Jahr: 2019
DOI: https://doi.org/10.1007/978-3-319-97670-9_29