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1 2007

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Magnetotelluric studies of the East-European Craton and adjacent regions

Bubnov V.P., Yakovlev A.G., Aleksanova E.D., Yakovlev D.V., Berdichevsky M.N., Pushkarev P.Yu.

Acta Geophysica

2007

Vol. 55, no. 2

154-168

Magnetotelluric method is widely applied to study the Russian part of the East-European Craton, as well as the Caucasus and the Urals: several thousand soundings were performed during the last few years. Their periods range is approximately from 0.003 to 3000 seconds, which allows to study the sedimentary cover and the consolidated crust. Resistivity cross-sections along several regional profiles which run across the tectonic structures of the East-European Craton and the adjacent folded systems were obtained, mainly using 1D and 2D interpretational tools. MT investigations provided important information about the structure and reservoir properties of sedimentary complexes, the state of active geodynamic regions, the graphitization and fluid regime of the consolidated crust, and the perme-able and fluid-saturated crustal zones.