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Ellesmerian Orogeny  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Paleozoic
 ...Ellesmerian Orogeny
RTUpper Devonian
 Canada
 Greenland
 Alaska
 Lower Mississippian
SNUpper Devonian to Lower Mississippian. Extends from the Brooks Range of Alaska and the Arctic Archipelago across N North America to Northern Greenland. Also search Ellesmerian if applicable. Indexed with age as applicable. Added to Thesaurus in 1995.