Cutting tool or scraper in North Central Texas

Lbarton769

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Sep 24, 2023
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Fred250

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Jun 30, 2018
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Found this on my ranch in Commanche County Texas. It is about 4 inches long by 2 inches wide. Fairly sharp on one end. Was it used for scraping or cutting by the Indians?
The ripples bottom left look like it worked too me but not a real expert just an internet wannabe
 

CreekSide

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Jan 31, 2023
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Could be a scraper or a blade maybe someone from your area will respond
 

Tnmountains

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Most definitely a used and worked artifact. Where there is one there is probably more. Nice material !
 

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Lbarton769

Lbarton769

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Sep 24, 2023
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I believe you found what would be called a 'Backed-Knife'. Nice find. More photos would be appreciated.
Here is the other side of my find. Thanks for the description and kind words!
 

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Lbarton769

Lbarton769

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Sep 24, 2023
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Found this on my ranch in Commanche County Texas. It is about 4 inches long by 2 inches wide. Fairly sharp on one end. Was it used for scraping or cutting by the Indians?
 

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Lbarton769

Lbarton769

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Sep 24, 2023
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Most definitely a used and worked artifact. Where there is one there is probably more. Nice material !
Thank you! Here is a picture of the other side .
 

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ToddsPoint

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Mar 2, 2018
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That last one is a discarded biface. We call them spoiled knives. The reason it was discarded is the steep angled edge at the bottom. With that edge angle it would not be possible to flake across the face and remove the remaining cortex. Making an arrowhead is a race between width and thickness. You lose width to make it thinner. This relationship is can be expressed as the width to thickness ratio. The goal is to end up with a biface that has a ratio of at least 5:1. Five times as wide at it is thick. This gives a thin edge angle but is thick enough overall for durability. Resharpened or “used up” points will have a ratio of 4:1 or 3:1. At those ratios the edge angle becomes to steep and it doesn’t cut as good. Some point types like midwestern turkey tails have ratios of 7:1 or even 9:1. Very low edge angles and can be made very sharp, but they are much more fragile at higher ratios.
 

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Older The Better

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Apr 24, 2017
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Think Todd’s point said it all, nice find, looks like some good material, which may be counterintuitive since it stacked up.
 

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