South of Adelaide, the Willunga Fault froms the prominent scarp that borders the McLaren Vale.
The Willunga Fault forms a prominent north-east trending escapment bounding the McLaren Vale south of Adelaide. the fault intersects the coast line at Sellicks Beach where fanglomerates are dissected by the wave cut platform (the bright cliffs in the lower image). These images were created from the DENR* 100m DEM. Top left: Absolute elevation. Top right: shaded image Willunga Fault and Onkaparinga Gorge. Bottom: Shaded surface of the Willunga Fault, viewed from south west.