Canyonlands National Park Mancos Shale

This layer does not occur in Canyonlands.


Mid-Cretaceous (64 to 144 million years ago)

Depositional Environment

Near-shore regimes (e.g. tidal flats)


Slope forming, gray shales.


Slopes below the Book Cliffs along I-70 between Grand Junction, CO and Green River, UT. Floor of Cache Valley in Arches National Park.

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Currently Viewing Canyonlands National Park Mancos Shale
November's Featured Park
The North Cascades have long been known as the North American Alps. Characterized by rugged beauty, this steep mountain range is filled with jagged peaks, deep valleys, cascading waterfalls and glaciers. North Cascades National Park Service Complex contains the heart of this mountainous region in three park units which are all managed as one and include North Cascades National Park, Ross Lake and Lake Chelan National Recreation Areas.
November's Animal
Badgers are animals of open country. Their oval burrows (ten inches across and four to six inches high) are familiar features of grasslands on sandy or loamy soils of the eastern plains or shrub country in mountain parks or western valleys.
Currently Viewing Canyonlands National Park Mancos Shale