Banded Iron Formation
$150.00
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Item number:
1
Banded Iron Formations (BIFs) are ancient sedimentary rocks famous for their distinct, striped layers of metallic iron oxides and colourful silica.Dating back between 1.8 and 3.8 billion years ago, these rocks serve as a literal timeline of Earth's history. They record the exact era when primitive life began producing oxygen, forever altering the planet's oceans and atmosphere.
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