Abstract
The Rostov Dome is located in the south of the Russian Platform. In the Late Miocene this area was embraced by the Eastern Paratethys. The implications of a recently developed Neogene chronostratigraphy to the studied area are discussed. The Sarmatian regional stage corresponds to the upper part of the Langhian, the entire Serravalian and the lower part of the Tortonian global stages; the Maeotian regional stage corresponds to the upper part of the Tortonian and the lowermost horizons of the Messinian global stages; the Pontian regional stage corresponds to most of the Messinian and the lowermost Zanclean global stages. A first Bivalvia-based bio-stratigraphic framework is proposed for the territory of the Rostov Dome. Five biozones were established within the Serravalian-Messinian: Tapes vitalianus, Cerastoderma fittoni-Cerastoderma subfittoni, Congeria panticapaea, Congeria amygdaloides navicula and Monodacna pseudocatillus-Prosodacna schirvanica.
Highlights
The study of the Upper Miocene deposits of the Eastern Paratethys began about 150 years ago (ABICH, 1865; ANDRUSOV, 1884; ANDRUSSOW, 1911), but some important questions on their stratigraphy are still unresolved
The high abundance of fossil bivalves in the Upper Miocene deposits of the Rostov Dome suggests the use of this group for the development of the first regional biostratigraphic framework
Studies of the Upper Miocene deposits of the Rostov Dome resulted in the definifion of five distinct Bivalvia-based biozones
Summary
The study of the Upper Miocene deposits of the Eastern Paratethys began about 150 years ago (ABICH, 1865; ANDRUSOV, 1884; ANDRUSSOW, 1911), but some important questions on their stratigraphy are still unresolved. The Rostov Dome is a promising area to study the Upper Miocene stratigraphy of the Eastern Paratethys. The high abundance of fossil bivalves in the Upper Miocene deposits of the Rostov Dome suggests the use of this group for the development of the first regional biostratigraphic framework.
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