Main Discussion Area > Flintknapping
Point of The Month - Sticky
bjrogg:
I read that the Decatur's are "fracture based", what does that mean?? Anyone know?
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Pretty sure for me "fracture based" would be a bad thing.lol.
Really nice point Scott. Love that scare pattern. Sweet
Bjrogg
Outbackbob48:
I have heard the bases were broke on purpose, :o :( Only reason I could think of why would be same as grinding bases dull so as not to split shaft. See if I can find anything else on them. Bob
1442:
KILLER stringman
The fractured base is reffering to burin type flakes taken across the bottom of the base to create a flat edge.
The burin flakes where sometimes put on the sides of the base, back of ears and even the tip, from what I have read about decatures
nclonghunter:
1442, I believe the burin base is correct. If I am understanding correctly the flake does not run towards the center of the point but across the edge to make a flat finish or a 45 degree angle along the edge and possibly on opposite sides giving it a "^" appearance. That will make this point interesting to make. Something I have never tried on a base. The rest of the point seems to follow standard flaking techniques.
Outbackbob48:
Just wondering on your thoughts of notching first then burin flake across base or burin flake across whole base then notch. I know clear as mud. I got a real nice thin novaculite pc that looks like he maybe become a Decatur. Bob
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