February 24, 2014
Rock of Ages

Using new dating techniques, scientists have confirmed the oldest rocks yet found on Earth are in Australia. What's more, they're quite a bit older than previously thought, just 100 million years before the planet got rebooted when the Moon was formed. It indicates the planet was forming a crust much earlier than current theories predicted, and that water was present even then.

Posted by scott at February 24, 2014 06:57 AM

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