MACHIN, K.J.; BARTON, E.S. The petrology of the Rex mine kimberlite fissures, central Free State, South Africa. International Kimberlite Conference: Extended Abstracts, [S. l.], v. 7, n. 1, p. 524–526, 1998. DOI: 10.29173/ikc2791. Disponível em: https://ikcabstracts.com/index.php/ikc/article/view/2791. Acesso em: 21 nov. 2024.