This layer does not occur in Canyonlands.

Deposited

Early- to mid-Cretaceous (64 to 144 million years ago)

Depositional Environment

Varid from alluvial fans in the south to more marine environments in the north (Book Cliffs).

Appearance

Brown, cross-bedded sandstone

Example

Visible in some areas of Arches National Park . Forms the mesa tops along Highway 666 east of Monticello and around Hovenweep National Monument.