GIBSON, S.A.; THOMPSON, R.N.; MITCHELL, J.G.; DICKIN, A.P.; MORRINSON, M.A.; HENDRY, G.L. Geochemieal and Petrographic Evidence for High Mg-Ultrapotassic Magmas in SE Colorado, USA. International Kimberlite Conference: Extended Abstracts, [S. l.], v. 5, p. 136–138, 1991. DOI: 10.29173/ikc2490. Disponível em: https://ikcabstracts.com/index.php/ikc/article/view/2490. Acesso em: 29 mar. 2024.