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A Study on Temperature Changes in Paleocene-Eocene Boundary based on Planktonic Foraminifera in Binak 4 Subsurface Section in Bushehr Province, Southwest of Iran| Abstract
ISSN: 2157-7617

Journal of Earth Science & Climatic Change
Open Access

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  • Research Article   
  • J Earth Sci Clim Change 2014, Vol 5(4): 192
  • DOI: 10.4172/2157-7617.1000192

A Study on Temperature Changes in Paleocene-Eocene Boundary based on Planktonic Foraminifera in Binak 4 Subsurface Section in Bushehr Province, Southwest of Iran

Fatemeh Moradian1*, Dariush Baghbani2, Jahanbakhsh Daneshian3 and Mohsen Allameh4
1Department of Geology, Science and Research Branch, Islamic Azad University, Tehran, Iran
2Department of Geology, National Iranian Oil Company-Exploration Directorate (NIOC-Exp), , Tehran, Iran
3Department of Geology, Faculty of Science, Kharazmi University, Iran
4Department of Geology, Mashhad Branch, Islamic Azad University, Mashhad, Iran
*Corresponding Author : Fatemeh Moradian, Department of Geology, Science and Research Branch, Islamic Azad University, Tehran, Iran, Tel: +982147911, Email: [email protected]

Received Date: Jan 31, 2014 / Accepted Date: Mar 01, 2014 / Published Date: Mar 04, 2014

Abstract

This study seeks to investigate and identify Paleocene-Eocene boundary in Binak 4 subsurface section in Bushehr province and the effect of temperature changes on the behaviour of planktonic foraminifera. In order to do so, 13 genera and 46 species from Planktonic foraminifera were identified, and two assemblages comprising warm water foraminiferal assemblage and cool water foraminiferal assemblage were segregated. The study of biological events on foraminifera under investigation utilizing universal biozonation led to 5 biozone and 5 subzone segregates. According to the known fossil assemblages and the defined biozones, age in this study was considered late Paleocene (late Selandian) to latest early Eocene (Ypresian). Biostratigraphic evidences (episodic extinction in cool water foraminiferal assemblages and diversity in warm water foraminiferal assemblages) at depths of 8750-8760 (ft.) are indicative of temperature changes and introducer of a global event termed ‘Paleocene-Eocene Thermal Maximum’ (PETM) at this depth. Moreover, In view of the extinction of late Paleocene index species at depths of 8760-8770 (ft. ) and the emergence of early Eocene index species at depths of 8640-8650 (ft.), Paleocene-Eocene boundary is located at depths of 8750-8760 (ft..) in P5 biozone or P5-E1 biozone.

Keywords: Paleocene-Eocene boundary; Selandian; Ypresian

Citation: Moradian F, Baghbani D, Daneshian J, Allameh M (2014) A Study on Temperature Changes in Paleocene-Eocene Boundary based on Planktonic Foraminifera in Binak 4 Subsurface Section in Bushehr Province, Southwest of Iran. J Earth Sci Clim Change 5: 192. Doi: 10.4172/2157-7617.1000192

Copyright: ©2014 Moradian F, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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