Monday, March 16, 2026

Banded iron formation (BIF) in the Pilbara region, Western Australia. These layers record Earth's ancient oxygenation event.

 


4 comments:

  1. The interbrain tells me such a thing happened 2.5 billion years ago. Over what period, I wonder?

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  2. Looks similar to parts of Utah.

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  3. Alexis Dahl has a good vid on these formations.

    https://www.youtube.com/watch?v=WcxKOs7xvRk

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  4. I has a hard and fierce look.

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