Fig. 11

a Great circle plots of the orientation of escarpments directly measured in the field. b Poles to the walls of intra-formational dykes (lower hemisphere, equal area projection, pole diagram and contour diagram). Most of the dykes strike NE–SW. c Donin (594861/130115; for location, see Fig. 2): SW-dipping karstic dykes into Schrattenkalk Formation. d La Selle south (594695/131203; for location, see Fig. 2): intra-formational dyke infilled by brecciated Seewen Formation pelagic deposits