Banded Iron Formation

A nearly 3-billion-year-old banded iron formation from Canada shows that the atmosphere and ocean once had no oxygen. 

Fossilized iron bacteria reveal a pathway to the biological origin

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BANDED IRON FORMATIONS (BIFs)

Banded Iron Formation - The Australian Museum

Banded iron formation rock hi-res stock photography and images - Alamy

Minerals, Free Full-Text

Banded-iron formation (BIF)

Banded Iron Formations (BIFs) » Geology Science

Banded iron formations: oceans, algae and iron oxide - CSIRO

Banded iron formation - Wikipedia

File:Banded iron formation (Goldman Meadows Formation, Mesoarchean; Atlantic City Iron Mine, South Pass, Wyoming, USA) 2 (30749219994).jpg - Wikipedia

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