Type and reference sections of the Middle and Upper Permian of the Volga and Kama River Regions. A Field Guidebook of XVIII International Congress on Carboniferous and Permian.

Detailed des­criptions and new biostratigraphic, paleomagnetic, geochemical, chemostratigraphic, and sedimentological data on the most important type and reference sections of the Ufimian, Kazanian, Urzhumian, and Severodvinian stages are presented.

The guidebook is intended for geologists and paleontologists who study Permian stratigraphy, paleontology and mineral resources, and for students and teachers of fieldwork techniques.