Stratigraphy, Volume (15), No (1), Year (2018-3) , Pages (47-66)

Title : ( Planktonic foraminifera and dinoflagellate cysts from the Upper Cretaceous Abderaz Formation in the Koppeh-Dagh Basin, NE Iran )

Authors: elham davtalab , Mohammad Vahidinia , , Ali reza Ashouri ,

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Abstract

Assemblages of planktonic foraminifera and dinoflagellate cysts were studied from the 359 m thick Padeha-Baghak composite section of the Abderaz Formation, eastern Koppeh-Dagh Basin, NE Iran. The formation consists mainly of light grey shales and marls with three chalky limestone beds in the upper part. Nine genera and 44 species of planktonic foraminifera and 39 genera and 85 species of dinoflagellate cysts are identified. Planktonic foraminifera are attributed to four biozones (Dicarinella primitiva–Marginotruncana sigali, Dicarinella concavata, Dicarinella asymetrica and Globotruncanita elevata zones). Two dinocyst superzones (Conosphaeridium striatoconum Superzone and the lower part of the Odontochitina porifera Superzone) with seven interval zones are recognized. These biozones suggest a late Turonian–early Campanian age for the Abderaz Formation in this part of the Koppeh-Dagh Basin.

Keywords

, Planktonic Foraminifera, dinoflagellate cysts, biostratigraphy, Turonian–Campanian, Koppeh-Dagh Basin, Iran.
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@article{paperid:1068378,
author = {Davtalab, Elham and Vahidinia, Mohammad and and Ashouri, Ali Reza},
title = {Planktonic foraminifera and dinoflagellate cysts from the Upper Cretaceous Abderaz Formation in the Koppeh-Dagh Basin, NE Iran},
journal = {Stratigraphy},
year = {2018},
volume = {15},
number = {1},
month = {March},
issn = {1547-139x},
pages = {47--66},
numpages = {19},
keywords = {Planktonic Foraminifera; dinoflagellate cysts; biostratigraphy; Turonian–Campanian; Koppeh-Dagh Basin; Iran.},
}

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%0 Journal Article
%T Planktonic foraminifera and dinoflagellate cysts from the Upper Cretaceous Abderaz Formation in the Koppeh-Dagh Basin, NE Iran
%A Davtalab, Elham
%A Vahidinia, Mohammad
%A
%A Ashouri, Ali Reza
%J Stratigraphy
%@ 1547-139x
%D 2018

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