Thursday, February 12, 2009

“It was part of a row of stones of varying sizes that might have marked the shoreline 6,000 to 10,000 years ago, Holley said. Some -- although not the boulder -- were arranged in a circle. That could indicate human manipulation although it's unclear, said Rob Houston, a geology instructor at the college who has inspected the site. The boulder with the markings is 3.5 to 4 feet high and about 5 feet long. Photos show a surface with numerous fissures. Some may be natural while others appear of human origin, but those forming what could be the petroglyph stood out, Holley said.
When mastodons ruled northern Michigan:

Rare Find in GT Bay from IPR News Radio
(2007-08-13) John Bailey explains why an ancient rock carving in Grand Traverse Bay could bolster his view of the origins of Native Americans living in the Great Lakes:

From another blog: “This would of course be very cool if true. I previously posted here and here and here on possible Pleistocene rock art and how rare it appears to be…”

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