Jennifer Glass Holding Stromatolitic Ironstone (IMAGE)

Georgia Institute of Technology

Jennifer Glass Holding Stromatolitic Ironstone

Caption

Jennifer Glass in her lab at Georgia Tech. She is holding a stromatolitic ironstone, which formed while iron oxidized and left ocean waters. And eon ago, ocean iron was high and could have helped create nitrous oxide that may have kept early Earth warm.

Credit

Georgia Tech / Allison Carter

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