Smith, J.V., R.L. Hervig, D. Ackermand, and J.B. Dawson. “K, Rb and Ba in Micas from Kimberlite and Peridotitic Xenoliths”. International Kimberlite Conference: Extended Abstracts 2, no. 1 (September 12, 1977): 319–321. Accessed April 28, 2024. https://ikcabstracts.com/index.php/ikc/article/view/1035.