Boctor, N.Z., and Henry O.A. Meyer. “Oxide and Sulphide Minerals in Kimberlite from Green Mountain, Colorado”. International Kimberlite Conference: Extended Abstracts 2, no. 1 (September 12, 1977): 30–32. Accessed November 21, 2024. https://ikcabstracts.com/index.php/ikc/article/view/932.