Study Reveals Rainforest in Coal Mine
A study published in the journal Geology details the discovery of an ancient rainforest in a coal mine in Illinois. Leaf and trunk impressions and upright stumps from the 300-million-year-old fossilized rainforest are viewable in the roof of the coal mine.
Scott Elrick of the Illinois State Geological Survey co-authored the study. He talks with Alex Chadwick.
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