Hetman, C., B. Scott Smith, J. Robey, T. Nkotsi, M. Mohapi, and T. Mohapi. “Letšeng Diamond Mine, Lesotho: A Variant of Kimberley-Type Pyroclastic Kimberlite Emplacement”. International Kimberlite Conference: Extended Abstracts 11 (September 18, 2017). Accessed March 3, 2024. https://ikcabstracts.com/index.php/ikc/article/view/4014.