The gentle slopes of the Carmel Formation near Horseshoe Canyon
NPS photo by Gary Cox
Mid- to late-Jurassic (144 to 208 million years ago)
Shallow marine and mud-flats
Mix of siltstone, shale and sandstone forms slopes
Some occurrence around the rim of Horseshoe Canyon makes this the youngest layer in Canyonlands. More prevalent along the Green River.
Flash animations manage to simplify the story of Canyonlands.
Travel back in time to the shore of a Jurassic lake.
Last Updated: 10/08/2015