4 Billion Years Old – Earth’s Oldest-Known Rocks Provide Clues About Early Tectonics
new geochemical evidence obtained from Earth’s oldest-known rocks—found in remote lake regions of northern Canada—paints a starkly different picture of Earth’s earliest history.
“Our oldest samples show no sign of surficial material recycling at 4.0 Ga
https://scitechdaily.com/4-billion-years-old-earths-oldest-known-rocks-provide-clues-about-early-tectonics/?expand_article=1 #4GA #geology #tectonics #recycling
Matt Willemsen /
npub1j0…s6amv
2023-08-15 12:15:11
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2023-08-15 12:15:11Event JSON
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"content": "4 Billion Years Old – Earth’s Oldest-Known Rocks Provide Clues About Early Tectonics\nnew geochemical evidence obtained from Earth’s oldest-known rocks—found in remote lake regions of northern Canada—paints a starkly different picture of Earth’s earliest history.\n“Our oldest samples show no sign of surficial material recycling at 4.0 Ga\nhttps://scitechdaily.com/4-billion-years-old-earths-oldest-known-rocks-provide-clues-about-early-tectonics/?expand_article=1 #4GA #geology #tectonics #recycling",
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