Erlank, A.J., H.L. Allsopp, C.J. Hawkesworth, and M.A. Menzies. “Chemical and Isotopic Characterisation of Upper Mantle Metasomatism in Peridotite Nodules from the Bultfontein Kimberlite”. International Kimberlite Conference: Extended Abstracts 3 (September 1, 1982): 261–263. Accessed May 2, 2024. https://ikcabstracts.com/index.php/ikc/article/view/2376.