Remnants of Organ Rock Shale form many spires in the Maze District's Land of Standing Rocks.
Photo by Mike Hill
Permian Period (245 to 286 million years ago)
Marine lowlands, braided streams and tidal flats
Dark red, lumpy mudstones/sandstones (forms towers with protective White Rim caprock)
Towers in Monument Basin at the Island in the Sky District as well as in the Land of Standing Rocks in the Maze
Flash animations manage to simplify the story of Canyonlands.
Last Updated: 07/05/2015