1. Faculty of Earth ResourcesChina University of Geosciences Wuhan China
2. Key Laboratory of Tectonics and Petroleum Resources, Ministry of EducationChina University of Geosciences Wuhan China
3. Faculté des Sciences et Techniques, Département de GéologieUniversité Abdou Moumouni Niamey Niger
4. Zoomlion Ghana Limited Accra Ghana