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

    Canyonlands

    National Park Utah

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    Recent rains have caused extensive damage to the Lavender Canyon road, Colorado Overlook road, and the Salt/Horse road. The White Rim Road is impassable from Hardscrabble camp to Upheaval Bottom. Roads will be closed until repairs can be made. More »

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Curtis Formation

The light-colored, grayish-green layer in the middle of the escarpment is the Curtis Formation (below the Sommerville).
The light-colored, grayish-green layer in the middle of the escarpment is the Curtis Formation (below the Sommerville).
NPS photo by Gary Cox
 

This layer does not occur in Canyonlands, but may be seen in nearby Capitol Reef National Park.

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

Depositional Environment:
Shallow marine

Appearance:
Sandstone, shale and gypsum forms slopes

Example:
Exposed along the Green River

Did You Know?

Tadpole Shrimp

Naturally occurring sandstone basins called “potholes” collect rain water and wind-blown sediment, forming tiny ecosystems where a fascinating collection of plants and animals live. Tadpole shrimp, fairy shrimp and many insects can be found in potholes. More...