They were created around 100,000 years ago during a particularly wet period in Australian climatic history, by the extreme amount of water actually causing rocks to dissolve: “Karst landscapes ...

The Munro Karst system in South Australia's south-east could be 2 million years old and may contain rare fossils.

There is a push to add a cave system discovered in a quarry near Naracoorte added to SA's heritage register. The Munro Karst system was provisionally added to the list last year and efforts are ...