Frontal Abrading on Clovis Technology
Bruce Bradley PhD. mentions in his video "Flintknapping Featuring Clovis Technology" that frontal abrading was done and he wasn't sure why. We have a hypothesis that besides making the stone stronger...
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I have always heard this process called Dorsal Ridge abrasion, and understood it to strengthen the ridge of the flake. Good video!
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Grinding the dorsal ridge also rounds off the sharp arrises that could focus stress and cause the flake to snap before it completes.Knapperbob
View ArticleRe: Frontal Abrading on Clovis Technology
Thanks for giving me the correct name for it Steve. I see with a search on here that you had asked in the "Chasing the Sweetwater" thread if Jim, Woody or Marty ever done Dorsal Ridge abrading. From...
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Since the early 70s Jack Cresson has studied dorsal ridge abrasion based on his analysis of quartzite thinning flakes from Savannah River biface production sites. His ability to replicate the...
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Thanks for the interesting information Forager. I meet Jack Cresson at the Schiele knapin back in 2010. We didn't discuss this topic at the time and I didn't realize he had done so much study on it....
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I like the concept, it adds another layer of significance to Dorsal Ridge Abrasion, and the term 'mapping' is a good description of how it serves to refine the orientation of the strike. The ability...
View ArticleRe: Frontal Abrading on Clovis Technology
Forager, Is there any way to get a copy of Jacks paper?
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I have been doing dorsal ridge abrading for some time now and it became so natural I did not relize I was doing it. It was when a you tube subscriber commented on one of my videos asking me about why...
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