Geology of Michigan

Geology of MichiganTravel through billions of years of geologic history and discover the processes and events that created and continue to form the Great Lakes and the regions that border these remarkable freshwater bodies.  From salt deposits formed in shallow tropical seas to continental glaciers to the roots of ancient mountains, the experience that is An Expedition Through Deep Time is the most comprehensive video resource for experiencing and understanding one of our planet's most extraordinary geologic landscapes.

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