Paleontology and stratigraphy of the Middle–Upper Miocene of the Taman Peninsula: Part 1. Description of key sections and benthic fossil groups


Дәйексөз келтіру

Толық мәтін

Ашық рұқсат Ашық рұқсат
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Рұқсат жабық Тек жазылушылар үшін

Аннотация

The Taman sections, reference for the Neogene of the Eastern Paratethys, are investigated thoroughly paleontologically and stratigraphically, with level-by-level description of four sections, correlated in detail with each other; fossil remains coming from them are examined conjointly, with uniform binding to the sections. The composition of malacofaunas and foraminifers allowed the recognition of all regional stages and substages from the Upper Chokrakian to Middle Kimmerian, their boundaries, and correlation with the Kerch stratotypes. The study of the taxonomic composition of ostracods improved the boundaries of stratigraphic ranges of particular species. The complete and continuous sequence of Karaganian–Konkian deposits has provided the data improving the volume and boundaries of the Konkian Regional Stage and showing that it is divided into three units. Investigation of these groups provided the stratigraphical basis for pioneer studies of phytoplankton; the taxonomic composition and distribution in the sections of nannoplankton, diatoms, and organic-walled phytoplankton are investigated completely for the first time; the points of penetra- tion of marine water into the basin are recognized. The most reliable tool for correlation of deposits in a semiclosed basin is distribution of “ecologically plastic” groups that are able to tolerate a wide range of salinity and variation of the gas regime, such as mollusks, benthic foraminifers, and, among phytoplankton, diatoms and dinocysts. The appearance of stratigraphically significant diatom and nannoplankton species in Konkian, Sarmatian, and Maeotian deposits allowed the comparison of intervals of their presence with the oceanic zones where these index species are provided with absolute dating. The level-by-level palynological characteristics of the beds is reported, providing the basis for reconstruction of climatic changes in this region.

Авторлар туралы

S. Popov

Borissiak Paleontological Institute

Хат алмасуға жауапты Автор.
Email: serg.pop@mail.ru
Ресей, Profsoyuznaya ul. 123, Moscow, 117997

I. Nikolaeva

Karpinsky All-Russia Research Geological Institute

Email: serg.pop@mail.ru
Ресей, Srednii pr. 74, St. Petersburg, 199106

T. Kozyrenko

St. Petersburg State University

Email: serg.pop@mail.ru
Ресей, Universitetskaya nab. 7-9, St. Petersburg, 199034

A. Koromyslova

Borissiak Paleontological Institute

Email: serg.pop@mail.ru
Ресей, Profsoyuznaya ul. 123, Moscow, 117997

L. Iljina

Borissiak Paleontological Institute

Email: serg.pop@mail.ru
Ресей, Profsoyuznaya ul. 123, Moscow, 117997

T. Pinchuk

Kuban State University

Email: serg.pop@mail.ru
Ресей, Stavropolskaya ul. 149, Krasnodar, 350040

N. Dykan

Institute of Geological Sciences

Email: serg.pop@mail.ru
Украина, ul. O. Gonchara 55-b, Kiev, 01601

Yu. Vernyhorova

Institute of Geological Sciences

Email: serg.pop@mail.ru
Украина, ul. O. Gonchara 55-b, Kiev, 01601

I. Goncharova

Borissiak Paleontological Institute

Email: serg.pop@mail.ru
Ресей, Profsoyuznaya ul. 123, Moscow, 117997

E. Radionova

Geological Institute

Email: serg.pop@mail.ru
Ресей, Pyzhevskiy per. 7, Moscow, 119017

L. Golovina

Geological Institute

Email: serg.pop@mail.ru
Ресей, Pyzhevskiy per. 7, Moscow, 119017

N. Fillippova

Geological Institute

Email: serg.pop@mail.ru
Ресей, Pyzhevskiy per. 7, Moscow, 119017

Yu. Rostovtseva

Department of Lithology and Marine Geology, Geological Faculty

Email: serg.pop@mail.ru
Ресей, Moscow, 119992

L. Viskova

Borissiak Paleontological Institute

Email: serg.pop@mail.ru
Ресей, Profsoyuznaya ul. 123, Moscow, 117997


© Pleiades Publishing, Ltd., 2016

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