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Tag: iron
Bacteria created iron deposits by metabolizing iron?
Researchers: Half of iron atoms in some cores were processed by microbes 2.5 bya/Clark Johnson 2.5 billion years ago? That’s the theory here: These ancient deposits, up to 150 meters deep, were begging for explanation, says Johnson. Scientists thought the iron had entered the ocean from hot, mineral-rich water released at mid-ocean vents that then Read More…