Ekkerd, J., J. Stiefenhofer, M. Field, and P. Lawless. “The Geology of Finsch Mine, Northern Cape Province, South Africa”. International Kimberlite Conference: Extended Abstracts 8 (June 22, 2003). Accessed March 29, 2024. https://ikcabstracts.com/index.php/ikc/article/view/3204.