The oldest rocks on Earth are more than 4 billion years old

PHYSorg
Jul 7, 2025, 11:01 am210 pts
Earth formed about 4.6 billion years ago, during the geological eon known as the Hadean. The name "Hadean" comes from the Greek god of the underworld, reflecting the extreme heat that likely characterized the planet at the time.

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The oldest rocks on Earth are more than 4 billion years old

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