CabinTom Posted August 6, 2021 Share Posted August 6, 2021 Found along the shores of the North Channel at Little Current, Manitoulin Island. Slightly domed. Knobby outside, crystalline (calcite?) inside. Link to comment Share on other sites More sharing options...
CabinTom Posted August 8, 2021 Author Share Posted August 8, 2021 No one has any info on this? Link to comment Share on other sites More sharing options...
TqB Posted August 8, 2021 Share Posted August 8, 2021 It does look like a stromatoporoid. It's not a coral. 1 Tarquin Link to comment Share on other sites More sharing options...
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