Can anyone tell me what this might be?

[HAVE DETECTOR WILL TRAVEL]

Found these in an area where an arrowhead and chirp stone was also found. Can anyone identify?

 

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[The Grim Reaper]

Are there any peck marks around the outside edge of the round stone? It could be a Hammerstone if there are, but if not it's just a natural stone. I think the other one is natural as well.

 

[HAVE DETECTOR WILL TRAVEL]

No marks on the round stone other than a etched line on the outside edge. It is to perfectly disk shaped to be natural and the other one has had some kind of moss or other vegetation growing on it for many years which left a funky concretion all over it but it does look like it was chipped at on time. I saw your gallery, so you may be familiar with the battle of Blue Licks but if not I completey understand.

 

[Tnmountains]

Those crazy round rocks in camps we find them like that and wonder if they were used to heat a nice beverage or bed. I think they are natural but may have been used? You find out let me know. Mine still have the natural shell on them as well
Welcome to artifacts
HH
TnMountains

 

[pickaway]

Hmm that round piece does look interesting? if it has a line around it ,then i would say its something can you get some pics of it mother nature can do amazing work on rocks...