1. Mitchell, R. H. Kimberlites: Mineralogy, Geochemistry and Petrology (Plenum, 1986)
2. Nixon, P. H. The morphology and nature of primary diamondiferous occurrences. J. Geochem. Explor. 53, 41–71 (1995)
3. Kjarsgaard, B. A. in Mineral Deposits of Canada: A Synthesis of Major Deposit-Types, District Metallogeny, The Evolution Of Geological Provinces, and Exploration Methods (ed. Goodfellow, W. D. ) 245–271 (Geological Association of Canada, Mineral Deposits Division, 2007)
4. Boyd, F. R. & Nixon, P. H. in Lesotho Kimberlites (ed. Nixon, P. H. ) 254–268 (Lesotho National Development Corporation, Maseru, 1973)
5. Mitchell, R. H. Petrology of hypabyssal kimberlites: relevance to primary magma compositions. J. Volcanol. Geotherm. Res. 174, 1–8 (2008)