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In 1924, a boy was born in China who would transform the Michigan iron industry and discover what was, at the time, considered the oldest macroscopic fossil ever. This is the story of Tsu-Ming Han and Grypania.
I think every rock we touched at this beach had a more than 400-million-year-old fossil in it. Two stories from a weekend on Drummond Island, Michigan: One about the gorgeous Fossil Ledges, and another about accidentally encountering one of the rarest habitats in the world.
More than half of the iron we mine today comes from banded iron formations. But where did banded iron formations come from?
For more than 100 years, the Detroit salt mine has been pulling millions of tons of rock salt out of the ground. But considering Michigan is surrounded by fresh water... where did all that salt come from?
Sometimes, all the details line up just right to make an incredible story. It just took these dominoes some 10,000 years to line up. This is the story of the Gribben Basin buried forest outside of Marquette, Michigan.
Just outside the small town of Watersmeet, Michigan, is an unassuming rock outcrop on the side of the highway. It includes the oldest known rock in the entire United States, at about 3.6 billion years old. Here's how scientists figured that out.
