Hetman, C., B. Scott Smith, J. Robey, T. Nkotsi, M. Mohapi, and T. Mohapi. 2017. “Letšeng Diamond Mine, Lesotho: A Variant of Kimberley-Type Pyroclastic Kimberlite Emplacement”. International Kimberlite Conference: Extended Abstracts 11 (September). https://doi.org/10.29173/ikc4014.