Alberta - Saskatchewan - Canada

The Whitemud Formation (Edmonton Group) (up to 20 m thick) consists of light grey to white weathering bentonitic and kaolinitic sandstones. siltstones, and claystones Its sediments were deposited on an extensive, very low-gradient alluvial plain to paludal environments during a period of frequent volcanic erruptions and stretched across Alberta and western Saskatchewan.


Dinosaur coprolites - Dinosauria - Cretaceous Late Maastrichtian