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geologic timeScience News
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Entertainment
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A remote outcrop in Canada harbors rocks that are at least 4.16 billion years old .
If true, these rocks would be the oldest known on Earth and the first to date to the planet’s earliest and most mysterious eon.
Earth formed around 4.66 billion years ago , but no surface rocks date back that far.
The original study’s results were “provocative, but not wholly convincing,” says Richard Walker , a geochemist at the University of Maryland in College Park .
But, he says, “I have to say that I was for the first time convinced that at least sections of the rocks exposed at Nuvvuagittuq may be of Hadean age”.
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