CARLSON, J. A.; MARSH, S. W. Discovery of the George Creek, Colorado kimberlite dikes. International Kimberlite Conference: Extended Abstracts, [S. l.], v. 4, n. 1, p. 443–445, 1986. DOI: 10.29173/ikc1196. Disponível em: https://ikcabstracts.com/index.php/ikc/article/view/1196. Acesso em: 27 apr. 2024.