Marshall and Von Brunn (1999) have ably analysed the lithology and revised the lithostratigraphy of the Natal Group (SACS, 1980) to a stage where the characteristic cyclical sedimentation in depositional basins is revealed. We provide evidence from developing sequence chronostratigraphic techniques (Vail et al., 1977; Wilgus et al., 1988; Van Wagoner et al., 1990; Vail et al., 1991) that endorses previous correlations with the Cape Supergroup. Based on references such as these and relevant articles on local stratigraphy, we point out where we consider that insufficient research was done to modify or drop...

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