Robuta

https://scholarsarchive.byu.edu/etd/7055/ "Lithofacies and Sequence Architecture of the Upper Desert Creek Sequen" by Evan R. Gunnell The Greater Aneth Buildup (GAB) is comprised of the 3rd-order middle Pennsylvanian (Desmoinesian) Desert Creek sequence of the Paradox Formation. A hierarchy... of thelithofaciessequencearchitectureupper