Caprock Canyon State Park exposes vast areas of Permian and Triassic redbeds along the Little Red River.

Many of the Permian beds are cut by gypsum veins.

Permian and Triassic strata exposed near Capitol Peak in Palo Duro Canyon state Park.

The red and white strata in the foreground beneath the hoodoo are in the Quartermaster formation (Late Permian).

The mauve, yellow and brown strata in the background are in the Tecovas formation (Late Triassic).