Megascale icebergs ran aground near Greenland in last 800,000 years

Scientists have found between Greenland and Spitsbergen the scours left behind on the sea bed by gigantic icebergs. "Whenever icebergs run aground, they leave scours on the seabed. Depending on their depth and location, those markings may continue to exist over long periods of time," explained the lead author. Found at a depth of 1,200 metres, the newly found five lineaments are the deepest iceberg scours found to date in the Arctic. The scours are as much as four kilometres long and 15 metres in depth.

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