In geologic strata, at its base, from its startpoint, the Neogene underlies different Gelasian deposits starkly in much of the Netherlands.
[1] As early as the 1920s, the names of the three well known glaciations - the Elster, the Saale and the Weichselian - had become established at the recommendation of Konrad Keilhack and Paul Woldstedt.
After Penck & Brückner successfully identified a fourth glaciation in the Alps, there were many attempts to find traces of this ice age in the northern Central Europe.
As in the cold periods of the Menapian glacial and the Tegelen interglacial, the average temperature of the Eburonian in summer was about ca.
During the warmer sections of the Eburonian, the land was covered by cool coniferous forests; during the cold periods the vegetation was open and treeless.