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Canyonlands National Park Seedling in Biological Soil Crust
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Canyonlands National Park
Honaker Trail Formation
photo: Cataract Canyon
NPS Photo by Neal Herbert
Cataract Canyon
 

Deposited
Pennsylvanian Period (286 to 320 million years ago)

Depositional Environment
Shallow seas

Appearance
Dark gray limestones with fossils forming rugged slopes and ledges

Examples
Along the Colorado River in Cataract Canyon. The Honaker Trail is also visible along the Moab Fault in Arches National Park.

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Summer Monsoon

Did You Know?
Much of canyon country's annual precipitation falls during summer monsoons. These dramatic storms often last less than twenty minutes but can cause powerful flash floods despite their brevity.
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Last Updated: July 01, 2011 at 09:35 MST