Turonian and Coniacian in the territory of the Eastern Perithetys — biostratigraphy and paleogeography
Journal: Moscow University Bulletin Series 4 Geology
Year: 2024

The results of a comprehensive study of the deposits of the Turonian and Coniacian on the territory of the Eastern Perithetys are presented. The issues of changing paleoenvironments and assemblages of foraminifera at the boundaries of the stages are considered. It is shown that the oceanic anoxic event OAE 2 at the boundary of the Cenomanian and Turonian was quite long-term and took place in several phases. The Turonian-Coniacian interval was characterized by the existence of a relatively deep-s