East Greenland Orogen

Also called �East Greenland Geosyncline� a linear orogenic (mountain) belt that developed from late Precambrian time to the middle of the Paleozoic Era (roughly 650 million to 350 million years ago) along a portion of the eastern coast of Greenland. Deformation occurred during several phases of the Caledonian orogeny (mountain-building episode) between Late Silurian and Late Devonian times (about 423 million to 354 million