A Banded Iron-Formation (BIF) with bands of iron-oxide (black) and quartz (white) that were deposited at the seafloor some 2700 million years ago.

Hydrogeological constraints on the formation of Palaeoproterozoic banded iron formations. Nature Geoscience , 2019; DOI: 10.1038/s41561-019-0372-0 Cite This Page : ...

The paper, "Hydrogeological constraints on the formation of Palaeoproterozoic banded iron formations," was published in Nature Geoscience (doi: 10.1038/s41561-019-0372-0). Journal Nature Geoscience ...

The orange, yellow, silver, brown and blue-tinged black layers in banded iron formations do more than just look pretty. Copper $ 4.847 / lb -0.48% Brent Crude Oil $ 64.13 / bbl -0.28% ...

One researchers suggests that, billions of years ago, "green rust" formed in seawater and sank to the ocean bed, becoming an original source of banded iron formations.

Metamorphosed banded iron formation from southern Wyoming showing deformation and folding. The rock is approximately 2.7 billion years old. Dark bands are iron oxides (magnetite, hematite) and ...

At 2.5 billion years old and weighing in at 2.5 tonnes, the banded iron formation is so heavy that Museum engineers had to reinforce the floor underneath it in Hintze Hall. 'The rock tells a ...

Rare banded iron formation in WA. Dated at 2.6 billion years old, the Helena and Aurora Range is part of the Great Western Woodlands, about 100km north-east of Southern Cross, WA. It is one of the ...