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Episode 165 - Fruit

The Common Descent Podcast

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The Effects of Low Oxygen Conditions on Fossil Preservation

The idea that low oxygen conditions equals great fossil preservation might be a partially incomplete thought. That certain forms of really exceptional fossil preservation, in this case particularly those soft tissue preservation, might actually be supported by partial or brief or fluctuating exposure to high oxygen. Low oxygen is great for keeping scavengers away and for certain forms of mineralization, but for the really good stuff, you might actually need a bit of both.

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