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Heat treating rock (the old fashioned way)

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snedeker:
Thats cool and great pics.  We see a lot of heat discoloration on cherts in archaeologcial assemblages.  I'm curious why, around here in central PA, they heat treated jasper a lot. it seems to be a very high qualty material without heating, but then I'm not a knapper (I am, however, a good napper)

I might use some of you pics in a publication.  If so, i will contact for permission

Dave

cowboy:
Permission granted Dave - what publication?

snedeker:
I am goring to write a paper on the site we excavated in Blair Co. PA with lots of chert and jasper, lots of it heat treated.  Don't have details yet.

Hillbilly:
ttt

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