1. Discipline of Geological Sciences, College of Agriculture, Engineering and Science, University of KwaZulu-Natal, Durban, South Africa e-mail: 209539631@stu.ukzn.ac.za; sinovuyobusakwe@gmail.com
2. Department of Geology, Faculty of Natural and Agricultural Sciences, University of the Free State, Bloemfontein, South Africa
3. Discipline of Geological Sciences, College of Agriculture, Engineering and Science, University of KwaZulu-Natal, Durban, South Africa e-mail: ejmcarranza@gmail.com
4. Discipline of Geological Sciences, College of Agriculture, Engineering and Science, University of KwaZulu-Natal, Durban, South Africa e-mail: 214502317@stu.ukzn.ac.za; onelechagi@gmail.com; hoyerl@ukzn.ac.za