These rocks were subsequently subjected to heat and pressure, causing them to metamorphose into the erosion-resistant quartzites and marbles of the Stinkfontein group.
Maribye lawa yasala yri erivaleni laha kuhisaka na ntshikelelo, swivanga leswaku yangehana eka xivandla xa metamorphose kutani kuva na quartzites leyinga khukhulekeki nati marbles e Stinkfontein group.