We present new material on the geological structure of the area, which is very widely known as the area of distribution of the “classical” section of the Kungurian stage. In the territory of the nature area “Predurale” (the vicinity of Kungur, Perm Region, Russia), a tectonic disturbance of an upsurge nature with a small displacement amplitude has been identified through lithological and facies analysis. This disturbance is located near the Mezhevoi ravine, the largest in the middle reaches of the Sylva River. At the mouth of the ravine, there is a spatial convergence of rocks of different types and ages. The riphogenic rocks of the Sylvian Formation of the Kungurian stage of Lower Permian are traced on its right slope. Above this section, clay and bituminous limestones and marls of the Divya Formation, which are atypical for the “classical” Kungur, were discovered and studied for the first time. Notably, the northeastern stretch of the Mezhevoi ravine coincides with the direction of the shear component of the Suksun fault, and the Mezhevoi ravine should be considered its continuation.

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Manifestations of the Latest Tectonics in the Nature Area “Predurale” (Perm Region, Russia)

  • Galina Yu. Ponomareva,
  • Ivan S. Khopta,
  • Ildar Ya. Ilaltdinov

摘要

We present new material on the geological structure of the area, which is very widely known as the area of distribution of the “classical” section of the Kungurian stage. In the territory of the nature area “Predurale” (the vicinity of Kungur, Perm Region, Russia), a tectonic disturbance of an upsurge nature with a small displacement amplitude has been identified through lithological and facies analysis. This disturbance is located near the Mezhevoi ravine, the largest in the middle reaches of the Sylva River. At the mouth of the ravine, there is a spatial convergence of rocks of different types and ages. The riphogenic rocks of the Sylvian Formation of the Kungurian stage of Lower Permian are traced on its right slope. Above this section, clay and bituminous limestones and marls of the Divya Formation, which are atypical for the “classical” Kungur, were discovered and studied for the first time. Notably, the northeastern stretch of the Mezhevoi ravine coincides with the direction of the shear component of the Suksun fault, and the Mezhevoi ravine should be considered its continuation.