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Science Ancient soil provides clue to Greenland's green past

The 2.7-million-year-old soil in Greenland is remnant of the region's landscape before it was covered with ice sheet, according to a new study.

By Becky OskinLivescience.com / April 18, 2014

Paul Bierman, University of Vermont

Buried thousands of feet under Summit, the highest point on Greenland's ice sheet, is a soil born before humans ever walked on Earth. The 2.7-million-year-old silt is a remnant of the verdant tundra that covered Greenland before it was entombed in ice, researchers report today (April 17) in the journal Science.