1. Geology Department, Faculty of Applied Science, Taiz University, Taiz 6803, Yemen
2. Geology and Geophysics Department, College of Science, King Saud University, Riyadh 145111, Saudi Arabia
3. Department of Geotecnics & Transportation, Faculty of Civil Engineering, Universiti Teknologi Malaysia, Johor Bahru 81310, Malaysia
4. Department of Geology, University of Poonch Rawalakot, Azad Jammu & Kashmir Rawalakot 12350, Pakistan
5. Exploration Department, Egyptian Petroleum Research Institute (EPRI), Ahmed El Zommor St. Nasr City, Cairo 11727, Egypt