Evidence of 90-million-year-old rainforest uncovered beneath Antarctic ice.
That is exceptionally warm for a location near the South Pole, where the average annual temperature now is around minus 40 Fahrenheit .
The dark-brownish gray soil was composed of fine-grained silt and clay bearing remains of fossil roots in a dense network, pollen and spores spanning 65 types of plants, with individual cell structures clearly visible. Klages said the plants included conifers, ferns and flowering plants. While they did not find any animal remains, Klages said there likely were dinosaurs, flying reptiles called pterosaurs and many insects. Dinosaur fossils from Antarctica have been known for years.
The research underscores the dramatic climate changes Earth has undergone in the past - and is currently undergoing today.
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