Strange Discoveries - Strange Discoveries

Researchers learned some fascinating things before the Kola Superdeep Borehole was sealed up. One example of this is tiny fossils of marine plants that were found four miles below the surface.

As surprising as it was that they were intact, the depth at which they were found was dated to being more than two billion years old. But, another exciting discovery was about to reveal itself… Photo Credit: Janko Azkoyen via Atlas Obscura

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