Grab, S., Mol, L., Knight, J., Botha, T., Woodborne, S., & Carbutt, C. (2018, April). Implications of vegetation growth and rock weathering rinds associated with periglacial sorted circles and stone-/turf-banked lobes on Mafadi/Njesuthi summits, high Drakensberg, southern Africa. Poster presented at European Geosciences Union General Assembly, Vienna, Austria