Possible camp site?

[I'mJoshin-PA]

Ok guys I need some opinions. I'm still quite new at this hobby but today I decided to walk the creek bank behind my house. I came across this and realized I may have found something pretty special but I don't wanna get my hopes up too quickly.This is located in a washed out bank by a small stream about a half mile from a good sized river and a spot where I recently found some points. The rocks are definitely brittle and much redder than any others in the bank that I could find... So is this what I think it is? Did i find a native american fire pit or is it something else? Please be honest with me!

 

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[CreekSide]

Looks like there was a fire at one time but I couldn’t say if it was natural or man made. I’ve never actually dug before so maybe someone else will know better.

 

[newnan man]

I have found a lot of charcoal in Florida bit it was not in a vein like that. So many natural wildfires here I nevet paid them much attention. Show us the arrowheads you found.

 

[I'mJoshin-PA]

I recently posted pictures of some of the points I found a half mile from the spot where this is located. I'll link that in below...

Here's two that I found today...

 

[I'mJoshin-PA]

My first post on this thread may have been a bit misleading the way I said it. I didn't find the points where this potential camp site was but instead it was a half mile away. I didn't make that clear and I apologize...

 

[Blackfoot58]

I wonder if the black and red coloration is iron staining from concentrations in the creek when it was at a higher level. Possibly some clay base also.
Interesting site to investigate, for certain.

 

[tamrock]

There are a few videos online about the identification of ancient NA fire pits. Researching about some of the sites that archeologist have excavated local to where I live, it will mention the initial discovery was first by finding evidence of a fire pit.