Main Discussion Area > Flintknapping
Broadspear
caveman2533:
This is an authentic Pennsylvania rhyolite Susquehanna broadspear preform. the base is unfinished.
This blade is is 5.425 inches long
2.44 inches wide at the widest.
.260 inches thick at the widest point = 9.3 to 1 and just north of that the thickest point is .335 inches if using this measurement it is 7.2 to 1..
This is what I am chasing with my reproductions.
Ghost Knapper:
Hope you don't mind, I grabbed a photo of it at Oregon Ridge. :laugh: Do you have any other originals to show what the base would of looked like when it was finished? Im still trying to get the nerve to work a piece of jasper into one.
Chippintuff:
That is a nice point. I haven't worked any rhyolite yet, but you have a handle on it.
WA
caveman2533:
Here is one I made of rhyolite not nearly as long but finished form would be much like this. Banded Rhyolite, used a wooden billet and a peg punch to notch the base.
Ghost Knapper:
Tough looking stuff. So the base would of been squared off instead of semi pointed as is on the preform?
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