description Hell Creek Badlands Overview
The Hell Creek badlands expose sedimentary rocks of the Hell Creek Formation across parts of Montana, North Dakota, South Dakota, and Wyoming. These rocks were deposited near the end of the Cretaceous Period and preserve abundant fossils, including Tyrannosaurus, Triceratops, plants, turtles, and other organisms. Barnum Brown collected the first scientifically recognized Tyrannosaurus rex specimen from the formation in Montana in 1902.
help Hell Creek Badlands FAQ
What dinosaur fossils are commonly found in the Hell Creek Formation?
The Hell Creek Formation is famous for preserving abundant fossils from the end of the Cretaceous Period, including Tyrannosaurus and Triceratops. Both Montana and North Dakota offer prime locations for paleontologists to discover these late-Cretaceous remains.
What states does the Hell Creek badlands cover?
This geological formation stretches across parts of Montana, North Dakota, South Dakota, and Wyoming. The exposed sedimentary rocks in these states create the badland topography that holds the prehistoric fossils.
How old are the sedimentary rocks in the Hell Creek badlands?
The rocks in this region were deposited near the very end of the Cretaceous Period, just before the mass extinction event. This places their formation at roughly 66 million years old.
Do you need a permit to collect fossils in the Hell Creek Formation?
Surface collecting of common fossils is generally allowed on private land with the owner's permission, but specific permits are strictly required for collecting on federal or state lands. It is highly recommended to check local regulations in states like Montana before heading out.
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