1. Geology Department, Faculty of Science, Suez University , Suez , 43518 , Egypt
2. Department of Physics, University of Calabar , PMB 1115 , Calabar , Cross River State , Nigeria
3. Department of Geology, University of Calabar , PMB 1115 , Calabar , Cross River State , Nigeria
4. Department of Geophysics, Faculty of Physics, University of Science, Vietnam National University , Hanoi , Vietnam
5. Department of Geology & Geophysics, College of Science, King Saud University , P.O. Box 2455 , Riyadh 11451 , Saudi Arabia
6. Department of Biology and Geology, Physics and Inorganic Chemistry, ESCET, Universidad Rey Juan Carlos , Móstoles , Madrid , Spain