Stratten, T.2014-09-222014-09-2219680078-8554http://hdl.handle.net/10539/15584The research fell mainly into two separate but related fields of study. The first field was to investigate the pre-Karroo surface with special reference to the geology beneath the Karroo System. The second field was to investigate the paleo-ice flow directions of the Dwyka Tillite and relate this to the position and lithology of the source areas.enArticle