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Data sets Publications Expeditions Thesaurus
Halifax Formation  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Paleozoic
 ...Ordovician
 ....Lower Ordovician
 .....Tremadocian
 ......Halifax Formation
RTNova Scotia
 Meguma Group
SNIn Meguma Group. Overlies Goldenville Formation. Added to Thesaurus in 1989.