Black spots on rings of freshly cut hickory wood?

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Erin Lewis

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Jul 28, 2018
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Hi - we just chopped down 2 hickory trees (the previous homeowners planted them RIGHT next to our house... less than 10 ft away) so we have a ton of wood!

They were very healthy, nut-producing trees (believe they were shagbark). We noticed as we were chopping the sections into logs that they had these odd black spots in the rings. These were found the same day the tree was cut down.

What are these spots, and is it safe to still smoke with the wood? I’m attaching pictures.
 

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pc farmer

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Don't know what they are but I would use it no doupt
 

flatbroke

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If I were to guess I would think the chainsaw bar was a tad hot and that is warmed up sap. I have never seen a hickory tree and that was only a guess.
 

flatbroke

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Knock a couple a few times with a maul and see if it inside the none cut area. I am curious
 

pc farmer

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If I were to guess I would think the chainsaw bar was a tad hot and that is warmed up sap. I have never seen a hickory tree and that was only a guess.


I cut alot off wood and never had that happen from a hot bar.
 

flatbroke

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I cut alot off wood and never had that happen from a hot bar.
I cut a fair amount too and never seen it either. Just guessing. I’ve never seen a hickory tree that I know of either. If he splits it open we will know more though.
 

Erin Lewis

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Jul 28, 2018
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Illinois
I just sliced the edge of a piece - it runs through the wood. (2 pics attached)
 

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pc farmer

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I have no answer. But I would still use it. We have alot of hickory here too
 

motolife313

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That’s from the steel chain and bar oil contaminating the wood. I’ve had it happen to me. Goes almost all the way through. It did it on oak. A guy that runs a saw mill said it’s called a stainie. It was super dark black for me and bigger spots. Got some in the wood shed I can get a pic of
 

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