Title: Petrografo-mineralogicheskie issledovanii͡a verkhnepermskikh i triasovykh pestrot͡svetnykh otlozheniĭ Priuralʹi͡a
Subjects: Petrology, Stratigraphic Geology, Paleogeography
Places: Russia (Federation), Ural Mountains Region
Time periods: Permian, Triassic