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Mount Kosciusko along with the Great Dividing range was formed back when the countrys where joined together. Back then the Great Dividing range in Australia was sitting over a plate. So over 1 million years ago the plate pushed up a huge Mountain range that goes all the way up the east coast of Australia called the Great Dividing range, The plates were obviously a little more active where Mount Kosciusko was formed.

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16y ago

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