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Michigan Funny Looking Rock/Quartz/Fossil?

0 votes

Please help identify...found around Lake Superior Lake Shore.

![alt text][1]

[1]: photo 005_zps30526167.jpg ![alt text][1]

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![alt text][1] ![alt text][1]

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[1]: photo 003_zps2bb62426.jpg

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[1]: photo 001_zpsbc1f76e7.jpg

asked Aug 11, 2013 by jeepjivenwale (160 points)

4 Answers

0 votes
answered Aug 11, 2013 by jeepjivenwale (160 points)
0 votes

Probably Lake Superior Agate. Agate is known to come from the basalt shores of Lake Superior, and is locally known as Lake Superior Agate.

answered Aug 18, 2013 by hershel (51,840 points)
0 votes

Because it appears to me there is a chalky look to parts of your stone I would say it's some kind of fossil. I've found a number of 'rocks' over the years that look like this but I'm no expert. There certainly are fossils to be found up here.

answered Aug 18, 2013 by Priscilla Fox (180 points)
0 votes

From the additional pictures it looks like flint/chert in a chalk base. However, the area around Lake Superior is generally basalt, not chalk, so it could be from a foreign source or placed by glaciers from a different origin.

answered Aug 22, 2013 by hershel (51,840 points)

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