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[-] AFKBRBChocolate@lemmy.ca 11 points 2 weeks ago

There are different types of fossils, some of which apply to soft tissue:

  • Impression: A shallow imprint of a fossil organism that does not retain any organic material.

  • Compression: A fossil that has been crushed or flattened but retains some organic material, although it has been chemically altered.

  • Carbonization: A process that occurs during fossilization in which complex organic molecules are converted into a more stable carbon compound that generally has a dark brown color.

This appears to be an impression fossil.

[-] Geodad@lemmy.world 6 points 2 weeks ago

I'll add that the entire organism can fossilize in an anoxic environment with rapid burial.

this post was submitted on 21 Jul 2025
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