254 _ THE COASTAL PLAIN OF NORTH CAROLINA. The lower part of this section is undoubtedly Pliocene or Pleiste cene, but the fossils that are represented by casts are not distinctive, However, it is probable that the strata belong to the same period those exposed at Slocum Creek, and probably will be found to be of Pliocene age. : nd was extensively used as a fertilize is reported to have dug large quantities, At prese at marl is exposed along the creek, but along the Neuse River distance above the mouth of Slocum Creek the crops neath the water.