Finniss River (IMAGE) University of Adelaide Caption Finniss River in drought in 2009, where acid sulfate soils cracked and acidified. Credit Associate Professor Luke Mosley, University of Adelaide. Usage Restrictions For use with this story only. License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.