Borgonie, G. https://orcid.org/0000-0003-1196-8159
Linage-Alvarez, B.
Ojo, A. O.
Mundle, S.O.C.
Freese, L B.
Van Rooyen, C.
Kuloyo, O.
Albertyn, J.
Pohl, C.
Cason, E. D.
Vermeulen, J.
Pienaar, C.
Litthauer, D.
Van Niekerk, H.
Van Eeden, J.
Lollar, B. Sherwood.
Onstott, T. C.
Van Heerden, E.
Article History
Received: 6 April 2015
Accepted: 20 October 2015
First Online: 24 November 2015
Competing interests
: L.B.F. and C.Pi. are employed by AngloGold Ashanti Kopanang mine. J.V.E. and H.V.N. are employed by Sibanye Gold Ltd. The remaining authors declare no competing financial interests.