alexa Upper Cretaceous to Neogene Palynology of the Rawat Bas
ISSN: 2157-7617

Journal of Earth Science & Climatic Change
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Thesis

Upper Cretaceous to Neogene Palynology of the Rawat Basin, White Nile State, Sudan

Mohammed Z1*, Awad MZ1 and Eisawi A2

1Department of Geology, Faculty of Science, University of Khartoum, Sudan

2School of Applied Earth Sciences, Faculty of Science and Technology, Al-Neelain University, Khartoum, Sudan

*Corresponding Author:
Mohammed Z
Department of Geology, Faculty of Science
University of Khartoum, P.O. Box 123, Khartoum, Sudan
Tel: 00249922974760
Fax: 32111111
E-mail: [email protected]

Received Date: March 09, 2017; Accepted Date: April 18, 2017; Published Date: April 23, 2017

Citation: Mohammed Z, Awad MZ, Eisawi A (2017) Upper Cretaceous to Neogene Palynology of the Rawat Basin, White Nile State, Sudan. J Earth Sci Clim Change 8:397. doi: 10.4172/2157-7617.1000397

Copyright: © 2017 Mohammed Z, 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.

 

Abstract

The palynology of the Upper Cretaceous to Neogene non-marine succession in the Rawat Basin, White Nile State Sudan was investigated. An attempt was made to determine the relative age, and depositional environment of the studied interval. Based on the stratigraphic distribution of selected pollen and spores from two exploration wells, seven informal palynozones from the Campanian to the Neogene are proposed. The zones, in stratigraphically ascending order, are as follows: Assemblage Zone I, Campanian (Gelhak Formation); Assemblage Zone II, Maastrichtian (Melut Formation); Assemblage Zone III, Eocene (Yabus Formation); Assemblage Zone IV, Oligocene (Adar Formation); Assemblage Zone V, Oligocene/Miocene (Jimidi Formation); Assemblage Zone VI, Miocene (Miadol Formation); Assemblage Zone VII, Miocene/Pliocene (Daga and Agor formations). The ages are based on stratigraphic ranges of marker species in contemporaneous basins in Africa and South America and a series of assemblage species such as Ladakhipollenites lehmanii, Triorites sp (Zone I), Proteacidites sigalii (Zone II), Proxapertites operculatus (Zone III), Deltoidospora cf. africana (Zone IV), Magnastriatites howardii (Zone V), Cyathidites minor (Zone VI), Verrucatosporites usmensis (Zone VII). The paleo-environment of deposition were determined to range from fluvial to lacustrine environments.

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