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Deep magnetotelluric (MT) sounding data were collected and processed in the western part of the East European Craton (EEC). The MT sounding results correspond well with impedances obtained by magnetovariation (MV) sounding on the new geophysical observatory situated not far from the western border of Russia. Inversion based on combined data of both induction soundings let us evaluate geoelectrical structure of the Earth’s crust and upper and mid-mantle at depths up to 2000 km, taking into account the harmonics of 11-year variations. Results obtained by different authors and methods are compared with similar investigations on the EEC such as international projects CEMES in Central Europe and BEAR in Fennoscandia.
Wydawca
Czasopismo
Rocznik
Tom
Strony
385--397
Opis fizyczny
Bibliogr. 44 poz., rys., wykr.
Twórcy
autor
- Lomonosov Moscow State University, Moscow, Russia
autor
- Lomonosov Moscow State University, Moscow, Russia
Bibliografia
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- [28] Semenov, V.Yu., and W. Jozwiak (2006), Lateral variations of the mid-mantle conductance beneath Europe, Tectonophysics 416, 1-4, 279-288, DOI: 10.1016/ j.tecto.2005.11.017.
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- [40] Vanyan, L.L., V.A. Kuznetsov, T.V. Lyubetskaya, N.A. Palshin, T. Korja, I. Lahti, and BEAR Working Group (2002), Electrical conductivity of the crust beneath Central Lapland, Izv. – Phys. Solid Earth 38, 10, 798-815.
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- [42] Varentsov, I.M., M. Engels, T. Korja, M.Yu. Smirnov, and the BEAR Working Group (2002), A generalised geoelectric model of Fennoscandia: A challenging database for long-period 3D modelling studies within the Baltic Electromagnetic Array Research (BEAR) Project, Izv. – Phys. Solid Earth 38, 11, 855-896.
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- [44] Weckmann, U., O. Ritter, and V. Haak (2003), Images of the magnetotelluric apparent resistivity tensor, Geophys. J. Int. 155, 2, 456-468, DOI: 10.1046/j.1365-246X.2003.02062.x
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-dc492c51-87f7-4ec5-9e9a-83c3a27468fa