Position of the southern marginal suture of the East European Craton |
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| Authors: | V G Kazmin L I Lobkovsky N F Tikhonova |
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| Institution: | 1.Shirshov Institute of Oceanology,Russian Academy of Sciences,Moscow,Russia |
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| Abstract: | Old and modern data are given and discussed. They allow us to decide where the real position of the south marginal suture
of the East European Craton is. According to the geophysical and aerogeophysical studies, Paleozoic deposits of the Karpinskii
Ridge are bedded upon deeply sunken continuation of Archean-Proterozoic complexes comprising the Voronezh massif and crystalline
rocks belonging to the Astrakhan Dome. The latter have a pre-Riphean age. It is possible that the crust in the southeastern
part of ridge in a narrow zone with >20 km depth of the basement surface (BS) and, partially, in the Sarpinskii trough has
oceanic origin. |
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