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A mountainous mystery uncovered in South Australia's pink sands

Still Waters

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Deposits of deep-pink sand washing up on South Australian shores shed new light on when the Australian tectonic plate began to subduct beneath the Pacific plate, as well as the presence of previously unknown ancient Antarctic mountains.

The pink sand is composed of a mineral called garnet, and a University of Adelaide research team, led by Ph.D. candidate Sharmaine Verhaert and Associate Professor Stijn Glorie, used a new, cutting-edge method to show the garnet grains are around 590 million years old.


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