The Glacier Rock is also known as Selwyn’s Rock, and is a 500 million year old boulder transported by a glacier from the vicinity of Victor Harbor. A huge glacial ice sheet covered the whole of the south coast 250 million years ago. During this period Glacier Rock was dragged across the Fleurieu Peninsula by the ice helping to groove and scratch rock surfaces between Victor Harbor and Inman Valley. The grooves, scratches and crescent shaped marks on the rock surface of the Inman Valley River bed are significant evidence of the direction of the ice movement.
Glacier Rock was discovered in 1859 by ARC Selwyn a geologist for the South Australian Government. It was the first recorded discovery of glaciations in Australia. It was then rediscovered in 1897 by famous geologist Sir David Edgeworth and Dr Walter Howchin, from Sydney and Adelaide Universities. Doctor Albert Terrones Mexico pronounced Glacier (Selwyn’s) Rock as one of the largest glacial exposures in the world.
Glacier Rock attracts geologists from all over the world.
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