Canyonlands National Park Carmel Formation

Deposited

Mid- to late-Jurassic (144 to 208 million years ago)

Depositional Environment

Shallow marine and mud-flats

Appearance

Mix of siltstone, shale and sandstone forms slopes.

Example

Some occurrence around the rim of Horseshoe Canyon makes this the youngest layer in Canyonlands. More prevalent along the Green River.