Researchers have discovered chemical fingerprints of Earth s earliest incarnation, preserved in ancient mantle rocks. A unique imbalance in potassium isotopes points to remnants of “proto Earth” material that survived the planet’s violent formation. The study suggests the original building blocks of Earth remain hidden beneath its surface, offering a direct glimpse into our planet’s ancient origins.
Sunday 19 October 2025
sciencedaily - 2 days ago
MIT finds traces of a lost world deep within planet Earth
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