Figure F4. Summary stratigraphic section for Hornerstown (Paleocene), Navesink (Maastrichtian), Mount Laurel (Campanian), Wenonah (Campanian), and Marshalltown (Campanian) Formations in the Sea Girt corehole. N = nannofossil zone, F = formaminifer zone, Sr = strontium age estimates, E = environment, ST = systems tract. LSF = lower shoreface, dUSF = distal upper shoreface, Off. = offshore. HST = highstand systems tract, TST = transgressive systems tract, MFS = maximum flooding surface, TS = transgressive surface, FS = flooding surface.