1. Department of Geoscience, Pan African University Life and Earth Sciences Institute (including Health & Agriculture), University of Ibadan, Ibadan, Nigeria;
2. Department of Remote Sensing and Geoscience Information System, Federal University of Technology, Akure, Nigeria;
3. Department of Geology, University of Ibadan, Ibadan, Nigeria;
4. Department of Applied Geology, Federal University of Technology, Akure, Nigeria;
5. Department of Statistics, University of Ibadan, Ibadan, Nigeria