If the other side is equally flat, and the edge is sharp, I'd say man. If it's rounded or poorly angled, I'd say nature.
I'm a flintknapper and I can tell what is man made and what is not with a good degree of accuracy. And this looks natural.
If the other side is equally flat, and the edge is sharp, I'd say man. If it's rounded or poorly angled, I'd say nature.
ReplyDeleteI'm a flintknapper and I can tell what is man made and what is not with a good degree of accuracy. And this looks natural.
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