FRICK, C. The geology, mineralogy and petrology of the Premier Mine kimberlite pipe. International Kimberlite Conference: Extended Abstracts, [S. l.], v. 1, p. 119–122, 1973. DOI: 10.29173/ikc863. Disponível em: https://ikcabstracts.com/index.php/ikc/article/view/863. Acesso em: 21 dec. 2024.