DE KLERK, W.; BELL, D. Geochemical and petrographical study of megacrysts and mantle xenoliths from Gemsbok Hollow and Gruendorn kimberlites in the Warmbad kimberlite province, South Africa. International Kimberlite Conference: Extended Abstracts, [S. l.], v. 11, 2017. DOI: 10.29173/ikc4015. Disponível em: https://ikcabstracts.com/index.php/ikc/article/view/4015. Acesso em: 3 jul. 2022.