The Morrison Formation is composed of three members (listed from youngest to oldest): Brushy Basin, Salt Wash and Tidwell. Each has different characteristics due to changes in the depositional environment. This layer does not occur in Canyonlands.
Did You Know?
Desert bighorn sheep live year-round in Canyonlands. These animals make their home along the rivers, negotiating the steep, rocky talus slopes with ease. Once in danger of becoming extinct, desert bighorns are making a tentative comeback thanks to the healthy herds in Canyonlands. More...