[F] Allison Formation - Alberta - Canada
Alberta - Canada
The Allison Formation is included in the Belly River Formation.
The Belly River Formation comprises an eastward-thinning wedge of sandstones, siltstones, shales and minor coals, up to 900 m thick, which extends from the southern foothills to Saskatchewan, Canada where correlative strata are assigned to the Judith River Formation. In the outer foothills, the Belly River Formation extends from the United States border north to the Bow River, where correlative strata are assigned to the Brazeau Formation of the Saunders Group.