Stockton Formation from the Newark rift basin.LEFT: Tan to pinkish arkosic coarse sandstone and red to purple mudstone from TW-1 well, Palisades, NY. From Zakharova et al. (2016). RIGHT: Stratigraphic section from near Stockton, NJ. The photo covers the interval shown by the vertical bar. Sandstone forms massive units; shale forms fissile units. From Olsen et al. (2018).