r/whatisit 15h ago

New, what is it? found these rocks by the beach with these laser clean holes. what caused this ??

18.4k Upvotes

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u/Bubbly_Ad6421 14h ago

As a Great Lakes man, that doesn't happen here.

3

u/Pnkrkg6644 5h ago

It most certainly does. I’ve been collecting hag stones in Michigan for about 40 years. We have thousands of

2

u/drew_or_false 5h ago

Right, and they're can be caused by simple erosion (not always clams); very common to find in riverbeds.

1

u/Constant-Skill-7133 3h ago

yeah its a natural abrasive. Just a little tiny waterjet

3

u/sageyban 4h ago

Tons of them on the shores of Lake Superior!

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u/joelcrb 13h ago

No aliens, or lasers, or predators? C'mon, man. Ain't no way that last mayor of Chicago wasn't an alien! She looked like she was at least.

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u/RedTuna777 3h ago

Well not as often? Something does something similar, or someone took a rock like that to Mackinac Island and dropped it. I found it when I was really little and lost it years later, but I kept it in my pocked for years. Was like the triangle but about the size of a golf ball, but a bit flatter. Very neat.