Isolated and unexpected find today

[Tnmountains]

Tonight I was finishing up on a job site in the middle of town. The snow has melted but the ground was still frozen. We were standing around talking before leaving and I was kicking some clumps of dirt when this popped out. I was like no way! No flakes nothing anywhere else. This whole area is developed. I have a feeling it is old but have nothing to associate it with. I do not know the material but is has a small crystal inclusion in it. Has a good bit on the base and the edges are ground on the sides.
Thanks for looking.

 

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[GatorBoy]

Blanks

 

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[monsterrack]

This is from the flintknapper view of this subject 1st football size rock, 2nd rough spall (a slab broken off the larger piece) 3rd a cleaned spall (all waste stone removed in quarry)Then depends on what you want to make you thin it down to the shape you want 4th for a point you pressure flake and make notches. It's the fine flaking that will tell you if it was a scraper, or preform and like gator said Adzs most of the time have a small curve shape on the working end.JMO