Wind-blown sands and how to recognize them in modern dunes, outcrops and subsurface. In and around the 4-corners, we are blessed with an abundance of well preserved and exposed ancient dune deposits. Most of the spectacular outcrops in the Utah National Parks are ancient dune deposits. At Zion it’s the Navajo, at Arches it’s the Entrada, at Canyon De Chelle it’s the De Chelle Sandstone. The Canyon Lands area of Utah has the Page, Cedar Mesa, Wingate and White Rim…