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Ancient ‘salt mountains’ in southern Australia once created refuges for early life

  • Written by Rachelle Kernen, Research Fellow, Geology, University of Adelaide
Ancient ‘salt mountains’ in southern Australia once created refuges for early lifeBunyeroo valley in the Southern Flinders Ranges.Southern Lightscapes-Australia/Getty Images

Salt is an essential nutrient for the human body. But hundreds of millions of years before the first humans, salt minerals once shaped entire landscapes. They even determined where early life on Earth could thrive.

Deep in Earth’s past, over millions of...

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