1. Zagazig University, Environmental Geophysics Lab (ZEGL), Geology Department, Faculty of Science , 44519 Zagazig , Egypt
2. Geology Department, Faculty of Science, Assiut University , 71515 Assiut , Egypt
3. Geology Department, Faculty of Science, Zagazig University , 44519 Zagazig, Egypt
4. Geology Department, Faculty of Science, Suez University , 43518 Suez, Egypt
5. Department of Geology and Geophysics, College of Science, King Saud University , 11451 Riyadh , Saudi Arabia
6. Department of Geology, Missouri State University , Springfield, MO, 65897 , USA