Nowell, G.M., D.G. Pearson, P.D. Kempton, A.J. Irving, and S. Turner. “A Hf Isotope Study of Lamproites: Implications for Their Origins and Relationship to Kimberlites”. International Kimberlite Conference: Extended Abstracts 7, no. 1 (April 17, 1998): 637–639. Accessed November 23, 2024. https://ikcabstracts.com/index.php/ikc/article/view/2830.