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Identity: Rocks or Petrified Wood

Posted on 3/10/26 at 6:08 pm
Posted by Panic Collapse
Member since Mar 2026
32 posts
Posted on 3/10/26 at 6:08 pm
I was hoping perhaps there were some people here who may be familiar with petrified wood.

I was hunting for some arrowheads in a natural drainage area at the bottom of a mountain in the foothills of the Appalachians in Central Alabama and found these two small examples:





Is this petrified wood or just some colorful stone of some type?

Posted by TigerBalsagna
tRedStick
Member since Jan 2015
934 posts
Posted on 3/10/26 at 7:27 pm to
Appears to be sedimentary.
Posted by bbvdd
Memphis, TN
Member since Jun 2009
28479 posts
Posted on 3/10/26 at 9:12 pm to
I agree with this. I’ve got some petrified wood that I found in the same area that I found arrowheads and chips where they were making them.

It looks just like a stick of wood except it’s a rock.
Posted by cgrand
HAMMOND
Member since Oct 2009
47853 posts
Posted on 3/10/26 at 9:39 pm to
just rocks, pretty ones though
you can see the wood grain in petrified wood
Posted by highcotton2
Alabama
Member since Feb 2010
10452 posts
Posted on 3/10/26 at 9:43 pm to
Looks like flint to me.
Posted by Doc Shakalu
Plano, TX
Member since Jul 2025
39 posts
Posted on 3/10/26 at 10:18 pm to
Definitely looks like chert/sedimentary layers that were laid down over each other. With that color I’d say the chert is flint maybe some jasper in there. It all started as a sedimentary rock and then a chemical replacement turned some of that limestone into what you are seeing now. That’s a very cool rock and as a fellow arrowhead hunter I’d definitely hang on to it!!
Posted by GREENHEAD22
Member since Nov 2009
20730 posts
Posted on 3/10/26 at 10:22 pm to
Rocks
Posted by Panic Collapse
Member since Mar 2026
32 posts
Posted on 3/11/26 at 3:46 am to
Thank you, TigerBalsagna, and everyone else too. I appreciate the help.
Posted by Funky Tide 8
Bayou Chico
Member since Feb 2009
56478 posts
Posted on 3/11/26 at 10:24 am to
quote:

I was hunting for some arrowheads in a natural drainage area at the bottom of a mountain in the foothills of the Appalachians in Central Alabama



Hog Mountain?
Posted by junkfunky
Member since Jan 2011
36157 posts
Posted on 3/11/26 at 10:26 am to
quote:


Appears to be sedimentary.


This. But that middle layer in the first pic looks like it contains a lot of iron but something caused the small cavities. Very interesting.
Posted by Deep Fried Gravy
Member since Oct 2023
181 posts
Posted on 3/11/26 at 12:14 pm to
Don't take it for granite.
Posted by Panic Collapse
Member since Mar 2026
32 posts
Posted on 3/11/26 at 3:43 pm to
quote:

Hog Mountain?


No, I'm not familiar with Hog Mountain.
Posted by Panic Collapse
Member since Mar 2026
32 posts
Posted on 3/11/26 at 3:44 pm to
quote:


Don't take it for granite.


I tried another site and got a detailed explanation of what it is.

Here it is:

quote:

That’s interesting indeed.

It appears to be chert with a central vein with a partly oolitic limestone texture. Silica replacement of limestone layers or fractures where the original oolites have mostly been preserved.
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