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Agglutinated foraminifera from the Campanian-Maastrichtian Kiseiba Formation in the Kurkur area, Egypt

  • Mohamed Youssef
  • Abdelbaset El-Sorogy
Original Paper
  • 67 Downloads

Abstract

The upper Campanian to upper Maastrichtian sedimentary sequence of the Kiseiba Formation in south Western Desert is sampled and described in two surface sections (Sinn El Kaddab and Wadi Abu Siyal). Forty-four agglutinated foraminiferal species are identified from 42 samples in the studied succession. The benthic foraminiferal assemblages are dominated by agglutinated foraminifera which comprise more than 90% of the assemblage. The agglutinated foraminifera are subdivided into five morphogroups (A, B, C, D, E) according to shell architecture, integrated with the supposed microhabitat and feeding strategy. The foraminiferal assemblage is assigned to mixohaline shallow water environments. These assemblages with Ammoastuta megacribrostomoides and Ammotium bartheli suggest lagoonal environments with considerably reduced salinity in warm climates and high runoff for the late Campanian-Maastrichtian interval.

Keywords

Agglutinated foraminifera Lagoon Kiseiba formation Kurkur Egypt 

Notes

Acknowledgements

This project was supported by King Saud University, Deanship of Scientific Research, and College of Science Research Center. South Valley University is thanked for the logistic support during the field trip. I thank Dr. R. Neuser and M. Born (Ruhr-Universität Bochum) for the SEM photography.

Supplementary material

12517_2018_3527_MOESM1_ESM.xlsx (11 kb)
ESM 1 (XLSX 10 kb)
12517_2018_3527_MOESM2_ESM.xlsx (138 kb)
ESM 2 (XLSX 138 kb)

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Copyright information

© Saudi Society for Geosciences 2018

Authors and Affiliations

  1. 1.Department of Geology and Geophysics, College of ScienceKing Saud UniversityRiyadhKingdom of Saudi Arabia
  2. 2.Department of Geology, Faculty of ScienceSouth Valley UniversityQenaEgypt
  3. 3.Department of Geology, Faculty of SciencesZagazig UniversityZagazigEgypt

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