Much of the Golightly Courtyard and the Museum building are made from malpais: irregular rocks that literally translate to "bad ground" in Spanish.










Ancient mudcracks from the 240 million-year-old (Triassic Period) Moenkopi Formation, found in northern Arizona.

Sand push-backs


Sand push-backs behind the heels of these tracks indicate movement up a steep dune.



These fossil panels show footprints of the ancient lizard-like reptile, Chelichnus, in the 260 million-year-old (Permian Period) Coconino Sandstone found in northern Arizona.

Chelchinus footprints