Nannostratigraphic Study of K/Pg Limit Formations of Cote d’Ivoire Offshore Sedimentary Basin of (West Africa)
Earth Sciences
Volume 6, Issue 6, December 2017, Pages: 164-169
Received: Aug. 7, 2017; Accepted: Oct. 31, 2017; Published: Dec. 18, 2017
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Authors
Nakpoh Nadege Barbara Zagbayou, Laboratory of Marine Geology UFR of Earth Sciences and Mineral Resources, University Felix Houphouet Boigny, Côte d'Ivoire; Petroci, Center of Analysis and Research, Doctorant of the Departement Biostratigraphic / Nannostratigraphic, Abidjan, Côte d’Ivoire
Zeli Bruno Digbehi, Laboratory of Marine Geology UFR of Earth Sciences and Mineral Resources, University Felix Houphouet Boigny, Côte d'Ivoire
Maurice Ennin Tetchie, Petroci, Center of Analysis and Research, Doctorant of the Departement Biostratigraphic / Nannostratigraphic, Abidjan, Côte d’Ivoire
A. Aka Kouamé, Laboratory of Marine Geology UFR of Earth Sciences and Mineral Resources, University Felix Houphouet Boigny, Côte d'Ivoire
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Abstract
Study of calcareous nannofossils in the interval 1044 -1445 m of ZNB-1X well located off Abidjan in the offshore part of Cote d’Ivoire sedimentary basin revealed a low diversity of nannoflora. The material used consistits mainlay of drill cuttings that undergone a three step classic treatment nanofloral study allowed to identify three intervals: Selandien (Middle Paleocene) characterized by species Toweius selandianus, Toweius crassus, Toweius rotondus Danian (Lower Paleocene) based on assemblage composed of Neochiastozygus modestus, Cruciplacolithus primus, and Thoracosphaera sp. and Maastrichtian reconized by the assemblage of species Micula murus, Cribrosphaera ehrenbergii, Retecapsa crenulata, Archangelskiella maastrichtiana, Quadrum sissinghi and Micula concava. This nannoflora study that also hights the K/Pg boundary associated with both lithological and calmetric data indicates an inner shelf depositional environment.
Keywords
Nannostratigraphy, K/Pg Boundary, Offshore Basin, Côte d’Ivoire
To cite this article
Nakpoh Nadege Barbara Zagbayou, Zeli Bruno Digbehi, Maurice Ennin Tetchie, A. Aka Kouamé, Nannostratigraphic Study of K/Pg Limit Formations of Cote d’Ivoire Offshore Sedimentary Basin of (West Africa), Earth Sciences. Vol. 6, No. 6, 2017, pp. 164-169. doi: 10.11648/j.earth.20170606.19
Copyright
Copyright © 2017 Authors retain the copyright of this article.
This article is an open access article distributed under the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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