[Yo-Yo]

This often happens after the plant or animal (or a part of it) is buried in sand or other sediments that slowly turn to stone.

Great. Now I'll have that ELO song stuck in my head all day...

[ETL]

Here’s a much better “Turn To Stone”, by the Four Tops...

https://www.youtube.com/watch?v=y7x1jTrmAdw