Help identifying

[rockrelated]

Found in Missouri

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[redbeardrelics]

Welcome to the forum!
All very interesting geofacts, that hopefully some other members can identify, but I do not believe any of them were shaped or modified by pre-historic peoples, to be considered Indian artifacts.

 

[Charl]

The first item might be a clay concretion, which might be found in Missouri....

http://www.treasurenet.com/forums/rocks-gems/172399-help-iding-these-stone-nodules-missouri.html

 

[The Grim Reaper]

Everything pictured here is a natural stone.

 

[rockrelated]

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[The Grim Reaper]

Looks like several pieces of what I think is referred to as Mudstone in the second set of pictures.