How ancient microbes created massive ore deposits, set stage for early life

Ancestors of modern bacteria cultured from an iron-rich lake in Democratic Republic of Congo could have been key to keeping Earth’s dimly lit early climate warm, and in forming the world’s largest iron ore deposits billions of years ago.

Source: How ancient microbes created massive ore deposits, set stage for early life: The research provides a possible explanation to the ‘faint-young-sun’ paradox, originated by astronomer Carl Sagan — ScienceDaily

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