I have purchased a lot of rocks and many are interesting. A lot of the material from rock dealers is actually ancient spalls and cores. This is a solid rock of Root Beer from the Edwards Plateau in Texas. I have never seen one that looked like this. It has a heavy ancient patina. What could have caused all those strange looking dimples? I don't think it has anything to do with flintknapping.
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?? Root Beer / Strange Dimples ??
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Looking at it again , none the less how cool is that . Are you going to knap that ? I would almost want to just look at it and study it .
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Hey Ron, I'm not saying I think this idea is your answer, because I would guess pot lids first, flaking second and then maybe my suggestion...but could possibly be the rock came under some kind of particle separation while it was forming and viscous, causing weak areas that eventually were fractured away on that weak front. I have included pics of thick ceiling mud as it is pulled away from contact (wet brush) causing a star pattern. Not a perfect match but just an idea.3 PhotosCentral Ohio
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We really don’t see the material in hunks here, that was walked in. All we see is the flakes and points made from Edwards. The NA people here really wasted nothing, especially lithic material. So , I have no ideas on the stone...Lubbock County Tx
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I've found a few chucks that looked similar to that and for the most part, the chert seemed to be more brittle and slightly easier to knap than similar pieces without the pot marks.Kevin - North/Central Texas
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