3.3 billion-year-old crystals reveal a shockingly active early Earth
SMRTR summary
Scientists analyzed 3.3-billion-year-old olivine crystals and found geochemical evidence that subduction and continental crust formation were already active during Earth's earliest era, challenging the long-held belief that early Earth had a rigid, unmoving outer shell for its first billion years.
SMRTR provides this summary for quick context. The original article belongs to Science Daily.
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