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Canyonlands National Park Seedling in Biological Soil Crust
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Canyonlands National Park
Mancos Shale
photo: Slopes of mancos shale
Slopes of mancos shale
 

This layer does not occur in Canyonlands.

Deposited
Mid-Cretaceous (64 to 144 million years ago)

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

Appearance
Slope forming, gray shales.

Example
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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Last Updated: July 11, 2006 at 11:48 MST