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Upper Permian and Triassic of the Precaspian Depression: stratigraphy and palaeogeography

Dmitri A. KUKHTINOV & Sylvie CRASQUIN-SOLEAU

en Geodiversitas 21 (3) - Pages 325-346

Published on 28 September 1999

This article is a part of the thematic issue Peri-Tethys: stratigraphic correlations 3

The stratigraphic serie of the Precaspian Depression during the Upper Permian and the Triassic is analysed. Data from seismic sections and from numerous boreholes are used. The lithological composition and the palaeontological content are cleared for all the time interval. Three palaeogeographical maps are drawing for the Kazanian, the Lower Triassic and the Middle Triassic. The evolution of palaeoenvironments is restored in relation to the tectonic events and the fluctuations of the Boreal Sea and the Palaeo-Tethys Ocean.


Keywords:

Precaspian Depression, Upper Permian, Triassic, stratigraphy, palaeogeography

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