Helmstaedt H. Possible pre-kimberlite serpentinization in ultrabasic xenoliths from Bultfontein and Jagersfontein mines, South Africa. IKC abstracts [Internet]. 1982 Sep. 1 [cited 2024 May 6];3:210-. Available from: https://ikcabstracts.com/index.php/ikc/article/view/2269