Stratigraphic Nomenclature via diagram

The left diagram shows the formations from the North Sea Supergroup (N) and the Cenozoic according to age and sedimentary environment. This diagram shows the younger and shallower geologic layers. The right diagram contains an overview of rock strata grouped by age with the most important tectonic phases. This diagram shows all groups present in the subsurface of the Netherlands. From the tables you can click to detailed descriptions of the units.