Hadean
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Oldest Rock On Earth Confirmed To Be Over 4 Billion Years Old
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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Ancient Crystals Might Rewrite Earth's Early History
An examination of more than 10,000 zircons from the early days of the planet yielded one fleck of crystal with pure carbon in the form of graphite.
-
Oldest Rock On Earth Confirmed To Be Over 4 Billion Years Old
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.
-
Ancient Crystals Might Rewrite Earth's Early History
An examination of more than 10,000 zircons from the early days of the planet yielded one fleck of crystal with pure carbon in the form of graphite.
