At www.sciencenews.org/view/generic/id/352848/description/News_in_Brief_Big… … J Bamber of Bristol University and chums have uncovered a large canyon while mapping Greenland's sub glacial terrain with ice penetrating radar. The Gorge is 800 metres deep and stretches from central Greenland to the island's NE coast. How does this affect ice cores?
The Gorge under the Ice
29 August 2013Geology