Coffee rock

Coffee rock is the common name for the rock-like formations of indurated sands that were formed from ancient river sediments of the Pleistocene age.

Coffee rock on Fraser Island.

Coffee rock has been exposed by coastal weathering process on the beaches of Broadwater and Bundjalung National Parks in New South Wales, Australia. In addition, exposures can be seen in South East Queensland, Australia, on Fraser Island and at the entry to Coonowrin Lake, Caloundra.

References

• National Parks and Wildlife Service NSW: Broadwater National Park, Bundjalung National Park and Iluka Nature Reserve - Plan of Management. Sydney, August 1997. ISBN 0-7310-7655-9