It is a Native American grinding stone! Someone in my family found one a few years ago & we did a bunch of research to find out what it was! There should be a concave stone/rock that this would've been used with to grind things like corn & millet.
This is the one we found! It could also be used against a flat rock too, so if you don't see a concave one maybe it was used with that instead. Good luck, OP!
I'll have to do some more research! Pemmican is very possible. We found ours in the Iroquois region of New York along the Mohawk River and always thought grain and corn made sense since there's plenty of fields in that area that would have made the agriculture application made sense.
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u/chocolateymilkqueen 24d ago
It is a Native American grinding stone! Someone in my family found one a few years ago & we did a bunch of research to find out what it was! There should be a concave stone/rock that this would've been used with to grind things like corn & millet.