Colgan, E. A., and H. L. Allsopp. “Geological Setting, Petrography and Petrogenesis of Olivine Melilitites on the Natal Coast, South Africa”. International Kimberlite Conference: Extended Abstracts 4, no. 1 (September 19, 1986): 115–117. Accessed April 27, 2024. https://ikcabstracts.com/index.php/ikc/article/view/1091.