Banded Iron Formation washed up on Lake Michigan’s Left Coast. BIF from the Great Lakes is more than 2 billion years old.
Tag: Rocks of the Great Lakes
Multicolored rocks cover Great Lakes beaches. They are the enduring legacy of past glaciers. The variety of rocks at Lake Michigan’s Left Coast is enormous. Artist Elizabeth G Fagan attempts to capture this unique beauty. “I am an amateur geologist,” says Fagan.
Lake Michigan's Left Coast 