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Banded iron formation

Banded iron formation

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James St. John

Banded iron formation
Banded iron formations formed on Earth billions of years ago when the ocean was full of iron and the atmosphere lacked oxygen.

For more information about this banded iron formation, visit St. John's Flickr page.

This work is licensed under a Creative Commons Attribution 3.0 Unported License. For uses not allowed by that license, contact us to request publication permission from the copyright holder

Original image data dated on or about June 10, 2015

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