Lake Huron, the third largest of the Great Lakes, is contained within a basin underlain by ~400 million year old (0.4 bya) limestone, dolomite, and gypsum bedrock — rock that was formed from the ...
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Eerie structures discovered at the bottom of iconic US lakeTheir identity stumped scientists at the time, but now a new survey has revealed that the shapes are giant holes ... depressions at the bottom of Lake Huron, which borders Michigan and Canada ...
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