HALL, D. C.; HELMSTAEDT, H.; SCHULZE, D. J. The Cross diatreme: A kimberlite in a young orogenic belt. International Kimberlite Conference: Extended Abstracts, [S. l.], v. 4, n. 1, p. 30–32, 1986. DOI: 10.29173/ikc1063. Disponível em: https://ikcabstracts.com/index.php/ikc/article/view/1063. Acesso em: 3 may. 2024.