Harder M, Nowicki T, Hetman C, Freeman L, Abedu B. Geology and evaluation of the K2 kimberlite, Koidu mine, Sierra Leone, West Africa. IKC abstracts [Internet]. 2012 Feb. 6 [cited 2025 Jan. 29];10. Available from: https://journals.library.ualberta.ca/ikcabstracts.com/index.php/ikc/article/view/3763