What are these?

[Marinemike0629]

Hello all
My name is Mike and own some property in Central Texas.
I found some articles there and was hoping some one could tell me if
They are Indian artifacts or just naturally made. The area was Comanche
Territory.

 

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[Charl]

The first rock looks artifactual. It looks like chert, showing flaking scars. Altered by human hands. The others may be natural.

 

[rock]

Welcome to the site. Lets see both sides of the 1st one and maybe a side view. The rest look natural as far as I can tell.

 

[Marinemike0629]

Sorry taking so long trying figure out how to reply with pics. I'll just repost pics

 

[RGINN]

First one looks like a little work done on it. Probably more related to Tonkawas or Caddos, as the Comanches didn't really start to mess with Texas until the 1700's. They were real big on 'modern technology' and were real quick to switch over to metal points. Flint knapping probably died out among them before it did with any of the other plains tribes. They regularly dealt with Comanchero traders and raided into Mexico, and they were more receptive to coming out of the stone age than some other tribes. Sounds like you have a good spot to look over for artifacts.

 

[Treasure_Hunter]

First looks like artifact, rest are rocks...