https://www.livescience.com/planet-earth/geology/earths-plate-tectonics-traced-back-to-tipping-point-32-billion-years-ago
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7/26/23 at 6:48am
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Live Science
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Stephanie Pappas
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Researchers analyzing ancient deposits in Australia found evidence that Earth's layers started to get mixed up — a fingerprint of plate tectonics — about 1.3 billion years after the planet formed.
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