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Depositional conditions in the southern Cis-Urals basin during Late Permian (biostratigraphic, lithofacies and petromagnetic data)

Edward A. MOLOSTOVSKY, Ijia I. MOLOSTOVSKAYA & Sylvie CRASQUIN-SOLEAU

en Geodiversitas 19 (2) - Pages 261-278

Published on 24 June 1997

This paper contains the results of the analysis of the Late Permian depositional environments in the southern Cis-Urals. The work is based on the data of several terms of reference sections. Ticknesses, facies and organic remains contens of the sediments were studied showing the regional stratigraphic boundaries caused by events of geologic and geographic history of the region. The main events of the geologic history were connected with the developmental pecularity of three contacted tectonic structures, i.e. the Ural Mountains, the marginal part of the Russian platform and the Peri-Caspian Depression.

Keywords :

Upper Permian, Cis-Urals, Russian Platform, Peri-Caspian Depression, biostratigraphy, petromagnetism, paleogeography