Sandstone rock patterns in Kaolin Wash, Valley of Fire State Park, near Moapa Valley, Nevada, USA.
Sandstone rock patterns in Kaolin Wash, Valley of Fire State Park, near Moapa Valley, Nevada, USA. Starting more than 150 million years ago, great shifting sand dunes during the age of dinosaurs were compressed, uplifting, faulted, and eroded to form the park's fiery red sandstone formations.