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| dawn of time | |||||
| Mount Sonder was formed 350 million years ago when the Heavitree Quartzite rock (formed 850 million years ago) was uplifted and folded with the rest of the Heavitree Range, and then eroded to become the present mountain | |||||
| Mount Sonder, West MacDonnell National Park - 30th September 2006 | |||||
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