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

    Canyonlands

    National Park Utah

Halgaito Shale/Lower Cutler Formation

photo: The Confluence of the Colorado and Green rivers
The Confluence of the Colorado and Green rivers
NPS Photo by Neal Herbert
 

Deposited
Permian Period (245 to 286 million years ago)

Depositional Environment
Shallow seas and coastal plains

Appearance
Ledgy slopes with brown sandstones.

Examples
Confluence of the Green and Colorado rivers and in Cataract Canyon.

Did You Know?

Pinyon Pine

Pinyon pines do not produce pine nuts every year. These delicious nuts can only be harvested every three to seven years. This irregular schedule prevents animals from adapting to an abundance of pine nuts and guarantees that at least some nuts will become new pine trees instead of a quick meal. More...