Viking Formation  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Mesozoic
 ...Cretaceous
 ....Viking Formation
RTAlberta
SNConsists of sandstone which grades eastward into siltstone and shale and into the marine shales of the Ashville Formation. In SW Alberta, the sandstones grade into dark marine shales and sandstones of the Bow Island Formation. Oil reservoirs in beds equiv