Moon Stoned: Earth's Oldest Rock was Found on Lunar Surface According to Scientists news18.com

Finder's keepers? According to National Geographic, scientists revealed that they may have recently found the oldest intact rock from Earth — and it was on the moon. A study published on Thursday in Earth and Planetary Science Letters suggests that one of the rocks collected from the moon by Apollo 14 astronauts in 1971 contains a fragment of Earth's ancient crust, possibly dating back to more than 4.011 billion years ago.