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

    Canyonlands

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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?

Biological Soil Crust

The dirt is alive! A living crust called "Biological Soil Crust" covers much of Canyonlands and the surrounding area. Composed of algae, lichens and bacteria, this crust provides a secure foundation for desert plants. Please stay on roads and trails to avoid trampling this important resource. More...