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Making America's Best Idea Even Better
Canyonlands National ParkSeedling in Biological Soil Crust
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Canyonlands National Park
Halgaito Shale/Lower Cutler Formation
 
photo: The Confluence of the Colorado and Green rivers
NPS Photo by Neal Herbert
The Confluence of the Colorado and Green rivers
 

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.
Interactive Geologic Atlas
Interactive Geologic Atlas
Flash animations manage to simplify the story of Canyonlands.
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Pinyon Pine  

Did You Know?
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.
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Last Updated: July 12, 2006 at 15:42 EST