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

    Canyonlands

    National Park Utah

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  • Some unpaved roads are closed

    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 »

  • Extreme Fire Danger

    Due to extremely dry conditions, fire restrictions are in effect in all national park units in Utah. More »

  • New backcountry requirements in effect

    Hard-sided bear containers are required for backpackers in parts of the Needles District. More »

Green River Formation

Green River formation
Utah Geological Survey photo
 

This layer does not occur in Canyonlands but may be seen while rafting the Green River through Desolation Canyon, driving Nine Mile Canyon near Wellington, UT, or exploring elsewhere in the southeast Uinta Basin.

Deposited:
Early Tertiary Period (1.6 to 66 million years ago)

Depositional Environment:
Lakes

Appearance:
Continuous grey/brown slopes of shale

Examples:
Uinta Basin in north-central Utah

Note:
The Green River Formation contains what might be the largest deposits of oil shale in the world.

Did You Know?

Upheaval Dome

Upheaval Dome contains rock layers unlike any in the surrounding area. Scientists still debate whether this oddity is the remnant of a meteorite impact or a salt dome. More...