Irving, A.J., and R.W. Carlson. “Mantle Xenoliths in Potassic Magmas from Montana: Sr, Nd and Os Isotopic Constraints on the Evolution of the Wyoming Craton Lithosphere”. International Kimberlite Conference: Extended Abstracts 5 (February 1, 1991): 183–185. Accessed April 20, 2024. https://ikcabstracts.com/index.php/ikc/article/view/2505.