A report on Dinosaur Park Formation, Judith River Formation and Bearpaw Formation

Dinosaur Park Formation exposed along the Red Deer River in Dinosaur Provincial Park, southeastern Alberta, Canada.
"Leonardo," a rare intact mummified Brachylophosaurus canadensis uncovered in the Judith River Formation.
Contact (red arrow) between the underlying marine shales of the Bearpaw Formation and the coastal Horseshoe Canyon Formation.
Restoration of the megafaunal dinosaurs of the Dinosaur Park Formation. From left to right: Chasmosaurus, Lambeosaurus, Styracosaurus, Scolosaurus, Prosaurolophus, Panoplosaurus, and a herd of Styracosaurus in the background
"Leonardo," a rare intact mummified Brachylophosaurus canadensis uncovered in the Judith River Formation.
Bearpaw shale being excavated to recover ammonites for ammolite production.
A specimen of Placenticeras ammolite from the Bearpaw Formation.

It was deposited in alluvial and coastal plain environments, and it is bounded by the nonmarine Oldman Formation below it and the marine Bearpaw Formation above it.

- Dinosaur Park Formation

It is overlain by the Bearpaw Formation.

- Judith River Formation

The Bearpaw Formation conformably overlies the Dinosaur Park Formation of the Belly River Group in central Alberta, and the Judith River Formation in the plains to the east and Montana.

- Bearpaw Formation

The McClelland Ferry Member is believed to be equivalent to the Oldman Formation, with the Coal Ridge Member equivalent to the Dinosaur Park Formation, but radiometric dates from the three formations do not support this, although this may be a problem with the dates themselves.

- Judith River Formation

This eggshell is similar to the hadrosaur eggshell of Devil's Coulee in southern Alberta as well as that of the Two Medicine and Judith River Formations in Montana, United States.

- Dinosaur Park Formation
Dinosaur Park Formation exposed along the Red Deer River in Dinosaur Provincial Park, southeastern Alberta, Canada.

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