Schulze, D.J., and B.C. Hearn. “Mantle Xenocrysts from the Masontown, Pennsylvania (USA) Kimberlite: An Ordinary Mantle With Si-Enriched Spinels”. International Kimberlite Conference: Extended Abstracts 9 (October 15, 2008). Accessed November 21, 2024. https://ikcabstracts.com/index.php/ikc/article/view/3537.