# 93 - Banded Iron Formations

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Manage episode 292032414 series 31053
By Chris Seminack, Jesse Thornburg, and Steve Peterson, Chris Seminack, Jesse Thornburg, and Steve Peterson. Discovered by Player FM and our community — copyright is owned by the publisher, not Player FM, and audio is streamed directly from their servers. Hit the Subscribe button to track updates in Player FM, or paste the feed URL into other podcast apps.
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The Flannelcasters talk about Banded Iron Formations. These rocks are super old, no longer are formed on Earth, and record the appearance of abundant oxygen.

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