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Bog wood is really old wood that has been buried in the peat bogs for hundreds or thousands of years. It stays super preserved from the oxygenless conditions. Petrified or fossilized wood is usually burried by volcanic ash. After millions of years of being burried water seeps in and silica from the volcanic ash slowly replaces each cell in the wood turning it into stone. Sometimes the wood is even opalized like in the Virgin Valley of Nevada. I've seen whole limb casts that have been opalized from there... This stuff is from California about a mile from where the horrible Tubbs fire started.

This is bloody fascinating! Thanks a lot for the explanation, 'cause I seem to have just taken it for granted that they're the same thing.
I hope you and your close ones haven't been affected by that fire much :/

Thanks I live a couple counties away from there now. Didn't really affect us up here. Sadly a few friends I grew up with lost everything, though. I live in Butte County but I'm north of the Oroville dam, thank god lol. Our next disaster waiting to happen...

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