 Gradual erosion of the surface soil has left the granite outcrops exposed.Popular tourist destinations These granite outcrops were noted by Edward John Eyre, and a few years later the Government sponsored an expedition to map and record the native names of the outcrops, they were Tcharkulda, Yarwondutta, Minnipa, Chilpuddie and Pildappa.Fifteen km north of Minippa township is the standout Pildappa Rock whose incredible flowing forms rival the singular form of the better known Wave Rock in Western Australia.