1. Exploration Department, Egyptian Petroleum Research Institute, Nasr City, 11727, Egypt;
2. Department of Geology, University of Oslo, PO Box 1047, Blindern, N-0316 Oslo, Norway;
3. Geology Department, Faculty of Science, Zagazig University, Egypt;
4. Prince El-Hassan Bin Talal Faculty of Natural Resources and Environment, Department of Earth and Environmental Sciences, The Hashemite University, Zarqa, Jordan;
5. Geology and Geophysics Department, College of Science, King Saud University, Riyadh, Saudi Arabia;