1. Geology Department, Faculty of Science, Tanta University, Tanta, Egypt
2. Faculty of Science, Geology Department, Al-Azhar University, Nasr City, Cairo, Egypt
3. ECS Electronic construction service, Kattamia, New Cairo, Egypt
4. College of Arts and Sciences, Department of Geology, Kansas State University, Manhattan, Kansas, USA
5. Department of Geology and Geophysics, College of Science, King Saud University, Riyadh, Saudi Arabia