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

    Canyonlands

    National Park Utah

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Organ Rock Shale

photo: Remnants of Organ Rock Shale form many spires in the Maze District's Land of Standing Rocks.
Remnants of Organ Rock Shale form many spires in the Maze District's Land of Standing Rocks.
Photo by Mike Hill
 

Deposited:
Permian Period (245 to 286 million years ago)

Depositional Environment:
Marine lowlands, braided streams and tidal flats

Appearance:
Dark red, lumpy mudstones/sandstones (forms towers with protective White Rim caprock)

Examples:
Towers in Monument Basin at the Island in the Sky District as well as in the Land of Standing Rocks in the Maze

Did You Know?

Spanish Bottom on the Colorado River

At Spanish Bottom on the Colorado River, scientists discovered 260 feet of sediment below the water's surface. This could make Cataract Canyon one of the most actively filling canyons in the world. More...