Acadian Phase  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Paleozoic
 ...Acadian Phase
UFAcadian Orogeny
RTUpper Devonian
 orogeny
 Acadian
 Antler Orogeny
 Appalachians
 Dinantian
 Eastern Canada
 middle Paleozoic
 tectonics
SNMiddle Paleozoic (?Upper Devonian-Dinantian) orogenic era. May be used for the Northern Appalachians. Use Acadian for the ?Middle Cambrian age. Also search orogeny AND Acadian. Indexed with ages as applicable.