Ancient Rainforest Revealed in Coal Mine

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Scientists exploring a mine have uncovered a natural Sistine chapel showing not religious paintings, but incredibly well preserved images of sprawling tree trunks and fallen leaves that once breathed life into an ancient rainforest. Replete with a diverse mix of extinct plants, the 300-million-year-old fossilized forest is revealing clues about the ecology of Earth’s first rainforests . The discovery and details of the forest are published in the May issue of the journal Geology. The largest ever found, the fossil forest covers an area of about 40 square miles, or nearly the size of San Francisco. This ancient assemblage of flora is thought to be one of the first rainforests on Earth, emerging during the Upper Carboniferous, or Pennsylvanian, time period that extended from about 310 million to 290 million years ago. read more about it here http://news.yahoo.com/s/livescience/20070423/sc_livescience/ancientrainforestrevealedincoalmine