UNITED PRESS INTERNATIONAL: Britain was buried beneath ice sheets 2.5 million years ago

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une 14 (UPI) -- The British Isles were regularly buried beneath advancing ice sheets as early as 2.5 million years ago, more than 1 million years earlier than previously thought.

Until now, researchers thought ice sheets didn't advance across Britain until 1.1 million years ago, but new analysis of sediment cores and seismic data collected from deep beneath the North Sea suggests most of the North Atlantic islands were routinely covered in ice 1.4 million years earlier.