Yet another rock with a hole, but interesting

mcmich

Sr. Member
Mar 2, 2008
403
185
Michigan
Detector(s) used
Whites MXT, Minelab Equinox 800, Tesoro Tiger Shark
Found this along the shore of Saginaw Bay on Lake Huron, not far from where the Indians gathered chert, in Bayport Michigan . This is chert. Has an almost perfect round hole out one side, other side oblonged. Looks like the start of another hole on the outside round part. Unusual shape, maybe a fishing weight? its about an inch in diameter.
 

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It's not possible to drill a piece of chert unless you are using a tube drill and abrasive powder. I say natural. Some softer material eroded away leaving the holes. Gary
 

About an inch
 

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