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Archive Home > 2008 > September > 26 > Scientists unearth rocks dated at 4.28 billion years, oldest known on Earth

Scientists unearth rocks dated at 4.28 billion years, oldest known on Earth

By Kenneth Chang / The Bulletin
September 26, 2008

A swath of bedrock in northern Quebec may be the oldest known piece of the Earth’s crust.

In an article appearing in today’s issue of the journal Science, scientists report that portions of that bedrock are 4.28 billion years old, formed when the Earth was less than 300....

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