showing a textbook example of a fault plane in the Honaker Trail Formation (Pennsylvanian) near the Visitor Center at the entrance to Arches National Park. Note the slickenside banding and related fault gouge features on the near-vertical surface.
Marine fossil assemblage in the Honaker Trail Formation, originally deposited at sea level about 300 million years ago, now lithified and uplifted to 4,100 feet (1,250 meters).
Moab Fault shear zone in the Honaker Trail Formation on road cut on UT 191 across from the Visitor Center at Arches National Park.