Mahotkin, I.L. “Petrology of Group 2 Kimberlite - Olivine Lamproite (K2L) from the Kostomuksha Area, Karelia, N.W. Russia”. International Kimberlite Conference: Extended Abstracts 7, no. 1 (April 17, 1998): 529–531. Accessed November 1, 2024. https://journals.library.ualberta.ca/ikcabstracts.com/index.php/ikc/article/view/2793.