3.1.1. Liège Formation - Lg

Authors: Paepe & Vanhoorne, 1976.

Description: Highest gravel reach, on or just incised in the Tertiary peneplain, weathered into red-yellow podzolic subtropical soils. It comprises the Trainée Mosane from Namur to Liège, consisting of well rounded quartz with silicified ooliths. The Meuse had still an important drainage area in the Paris Basin with a delta fan in the Lower Rhine embayment. The Formation represents the coarse proximal Meuse part of the West European "Kiezelooliet Group".

Stratotype: Bouge quarry, laying on marine Oligocene sands.

Area: Lower Meuse Valley.

Age: Miocene to Middle Pliocene, no biostratigraphical elements