P. Janney, M. Kirchner, P. Ogungbuyi, C. Harris, and D. Bell, “Geochemistry of the Namaqualand, Bushmanland and Warmbad melilitite and kimberlite provinces of South Africa and Namibia: the southern extension of the African kimberlitic megalineament”, IKC abstracts, vol. 11, Sep. 2017.