Erinchek, Y.M., E.D. Milshtein, and O.G. Saltykov. “Local Depressions in Country Rock of Kimberlites As a New Exploration Criteria (by the Example of Zolotitsa Field, Arkhangelsk, Russia)”. International Kimberlite Conference: Extended Abstracts 7, no. 1 (April 17, 1998): 208–210. Accessed April 19, 2024. https://ikcabstracts.com/index.php/ikc/article/view/2685.