Wooltana Volcanics: Arkaroola

The Wooltana Volcanics formation (830 million years ago) is visible on exiting Claude Pass on the Paralana Road at Arkaroola.

Bulbous pillow lava weathered into soft saprolite
Basalt with quartz infill

For more information on how to locate this site, see Geological Field Excursion Guides.