Figure 2. Progradational patterns on seismic. Carbonates wedge within the Paradox Formation. Seismic interpretation by Tidewater Oil and Gas Co., in http://energy.ihs.com/NR/rdonlyres/816AB997-C3D0-47BD-B5D7-20DEEAB274D0/0/blott.pdf , and based on Elba Flats drilled section (after Frahme and Vaughn, 1983).