There are traces of root plants with numerous plant remains, some of them vertically preserved, and on this basis he derived a possible dune-related origin of these sediments. The plants in the growth position were present at the bases of aeolian sandstone bodies, up to 2 m thick, which wedge out laterally and are covered by argillaceous strata of coastal lagoon origin with drifted plant remains. Mostly of the plant remains are composed by rhizoids and undeterminble fragments, recovered at the Szydłowiec Sandstones, Śmiłów and Mirzec, near Starachowice. More recent studies suggest an environment of shallow seafront and beach, which of course does not exclude the presence of Aeolian zones there. Lithofacies on the Smilów Quarry shows slightly inclined beach forests and abundant plant roots in a series of barrier/foreshore–ackshore–eolian dune facies, that include even plants buried in whole dunes, while drifted plant fossils and tree logs occur on the main depositional surface. This inclined surface exposes most likely a long period of non deposition and washed plants, recovering at the same time the original tilt of the local beach.
