By A Mystery Man Writer
A nearly 3-billion-year-old banded iron formation from Canada shows that the atmosphere and ocean once had no oxygen.
Paleoproterozoic Banded Iron Formation of the Quadrilátero
Incredibly Thick Banded Iron Formation (we found it during field
File:Banded iron formation (Goldman Meadows Formation, Mesoarchean; Atlantic City Iron Mine, South Pass, Wyoming, USA) 2 (30749219994).jpg - Wikipedia
Properties of Banded iron formation, Physical
Banded Iron Formation (BIF): How These Rocks Got Their Stripes
Banded Iron Formation
Learning Geology: Banded-iron formations (BIFs) - Evidence of Oxygen in Early Atmosphere
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Welcome to Stephen Hui Geological Museum
Study confirms banded iron formations originated from oxidized
Ontario banded iron formation
Figure 7 from Iron Formation: The Sedimentary Product of a Complex
Banded iron formations: Oceans, algae and iron oxide
Faulted jaspilite banded iron formation (BIF) (Hamersely G…
Fossils of the Superior Upland — Earth@Home