Isachsen Formation  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Mesozoic
 ...Cretaceous
 ....Lower Cretaceous
 .....Isachsen Formation
RTNorthwest Territories
SNConformably overlies Deer Bay Formation on Axel Heiberg and Ellef Ringnes islands. On Isachsen Peninsula of Ellef Ringnes Island in Franklin District.