Here the once horizontal sandstone beds were tilted vertically by the pressure of the fault and, today, form an impressive rock formation.

Anfesta fossils are preserved as negative low impressions on the lower surfaces of sandstone beds.

T. heraldicum is preserved as negative impressions on the base of sandstone beds.

The mineral composition of the sandstone beds has a direct effect on the morphology of the terrain.

The thickness of the quarry-able sandstone beds varies from a to 3 metres.

A particularly strong sandstone bed is known as Tilgate Stone, but this term has also been used for the whole formation.

Albumares fossils are preserved as negative, low impressions on the base of sandstone beds.

Two thin sandstone beds occur in the middle and at the top of the formation.

Thinner sandstone beds can be recognized into western Alberta.

Trilobites have been found in the calcareous sandstone beds of the formation.