Bristow, J. W., C. B. Smith, H. L. Allsopp, S. R. Shee, and E. M. W. Skinner. “Setting, Geochronology and Geochemical Characteristics of 1600my Kimberlites and Related Rocks from the Kuruman Province, South Africa”. International Kimberlite Conference: Extended Abstracts 4, no. 1 (September 19, 1986): 112–114. Accessed November 21, 2024. https://ikcabstracts.com/index.php/ikc/article/view/1090.