• Spires of Cedar Mesa sandstone in Chesler Park (Needles District)

    Canyonlands

    National Park Utah

Entrada Formation

Entrada sandstone in Arches National Park
The Entrada Formation in Arches National Park
NPS Photo by Neal Herbert
 

This layer does not occur in Canyonlands, but is dramatically visible throughout Arches National Park.

Deposited:
Mid to late Jurassic (144 to 208 million years ago)

Depositional Environment:
Windblown sand dunes

Appearance:
Red, cross-bedded, arch-forming sandstone

Example:
Monitor and Merrimac buttes along Highway 313 to the Island in the Sky

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