The Navajo Sandsone...

is interpreted to be the result of wind deposition of large sand dunes during Triassic-Jurassic time (~ 200 Ma), and it provides some of the best “slickrock” surfaces in the Moab area for mountain biking.

Textbook trough cross-stratification indicative of an eolian (wind driven) depositional environment.

Textbook trough cross-stratification indicative of an eolian (wind driven) depositional environment.

The Secret Spire, a hoodoo set on a rolling landscape of eroding Navajo Sandstone.

The Secret Spire, a hoodoo set on a rolling landscape of eroding Navajo Sandstone.