Wooltana Volcanics: Arkaroola

Volcanics are not a common sight in the Flinders Ranges but an example of Wooltana Volcanics is visible on the Paralana Hot Springs Road at Arkaroola. The role of volcanic activity in the formation of the Flinders Ranges is outlined in the essay Legacy of Time by the Royal Geographical Society of South Australia.

Ripple rocks: Arkaroola

Ripple rocks seen throughout the Flinders Ranges are likely to have been formed in sandy shallow waters, rapidly covered in kilometres of sediments which resulted in rock formation through processes of heat and pressure. This example is part of the Blue Mine Conglomerate Formation, around 800 million years old.