Piece of Yukon from ancient supercontinent found in Australia
1.7 billion years ago, the continents were drifting together to form a supercontinent called Nuna or Columbia. The data suggests that the Georgetown rocks broke off from Canada and collided with northern Australia around 1.6 billion years ago. It remained there even after Nuna broke apart 300 million years later.
January 31, 2018 at 04:02AM
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