Zur Gliederung mittel- und jungpleistozäner Schichten in der Niederrheinischen Bucht

Karlheinz Kaiser & Rudolf Schütrumpf
From the waterworks of Bensberg east of Cologne and a gravel-pit near Efferen west of Cologne, there have been described layers of clay and fine-sand, containing fossils with humus layers from a depth of about 16 to 18, 20 meters below the surface of the Lower Middle-Terrace of the Rhine (i.e.: about 58 m above sea-level). These sediments enable us to separate stratigraphically in the sand-gravel-sequences the overlying from the underlying stratum one. Heavy mineral...