File:Microfauna of the Miocene Deposits in South Caspian final 2dversion of PRESENTATION.pdf

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English: Comprehensive geological and geophysical study, as well as exploration drilling in Miocene sediments resulted in the vast material that makes it possible to assess the microfaunal content of South Caspian Basin. 
Commercial reservoirs have been established in the Miocene of the South Caspian Basin. These deposits are of great practical and scientific interest as they underlie the formations of the thick Pliocene Productive series. More than 800 core samples were taken from tens of exploration wells of the Miocene deposits, where were recovered abundant ostracod and foraminifera fauna. The studied sections allowed to define the detailed stratigraphic sequences into individual stratigraphic units: Pontian, Meotian Sarmatian, Conkian-Karaganian, Chokrakian, Maikopian deposits.
The facies of the Miocene deposits in the South Caspian offshore part of Basin vary considerably and these different facial sedimentary environments affected the microfauna composition as well. This is confirmed by rather abrupt changes in microfaunal features from different regions of South Caspian Basin. The Miocene deposits of South Caspian offshore part of basin is rich in microfauna and many of ostracod species were common in Tethys and Paratethys bioprovinces and ostracod assemblages are composed by brackish and shallow marine genera.
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Author Javadova

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