Claim: East Greenland Orogen ( also known as East Whiteland mountain range, is the circular mountain range along the eastern Greenland coast, from 70 to 82 degrees north Katieude,  Geologically, the mountain chain consists of Silurian to early Devonian (490 to 390 million years ago) fold and thrust belts.
Evidence: The East Greenland orogen, also known as East Greenland mountain range, is the linear mountain range along the eastern Greenland coast, from 70 to 82 degrees north latitude.