Оренбургская область

Ichthyofauna of the border sediments of the Severodvinsky and Vyatsky stages in the Late Permian localities in the west of the Orenburg region (Samara river basin)

Authors: Minikh A. V., Yankevich D. I., Andrushkevich S. O., Andrushkevich O. Y.

A detailed study of the section of the severodvinsky and vyatsky stages of the Upper Permian with layer-by-layer sampling of ichthyofauna in the western part of the Orenburg region (basin of the lower reaches of the Samara River) was carried out. Based on the fish complexes, a paleontological justification of the stratigraphic boundary between the severodvinsky and vyatsky stages was obtained in the region for the first time.

Characterization of the Natural-administrative Zoning of the Orenburg Region

Authors: Chibilyov A. A.

The article discusses the natural-administrative zoning of the Orenburg region, a brief physico-geographical and socio-economic characteristics of the 6 zones. By using a map method compare natural-administrative zoning, with administrative-territorial division and physical-geographical zoning and agricultural zoning of the Orenburg region.