Olga N. Vasilyeva

Micropalaeontological biostratigraphy and palaeoecology of the Middle Eocene of the Lower Volga region, southwest Russia

A biostratigraphical study of the Eocene interval, based on dinoflagellate cysts and calcareous nannofossils, was performed in two boreholes from the Lower Volga region (Yergeni Upland), southwest Russia. Dinoflagellate cyst zonation of the interval allowed six zonal subdivisions...