POTD August 23, 2013: Poison Strip area, east of Arches National Park, Grand County, Utah
Poison Strip area, east of Arches National Park, Grand County, Utah
Photographer: Don DeBlieux
A geologist examines a sequence of Early Cretaceous-aged paleosols (ancient soils) in the Yellow Cat Member of the Cedar Mountain Formation. Many dinosaur fossils are found in these rocks, and the study of paleosols can provide valuable
information about the environments in which these dinosaurs lived.