MCIVER, J.R.; FERGUSON, John. Kimberlitic, melilititic, trachytic and carbonatitic eruptives at Saltpetre Kop, Sutherland, South Africa. International Kimberlite Conference: Extended Abstracts, [S. l.], v. 2, n. 1, p. 212–214, 1977. DOI: 10.29173/ikc995. Disponível em: https://ikcabstracts.com/index.php/ikc/article/view/995. Acesso em: 2 jul. 2024.