Kaolinitic paleoweathering map on the Ardenne and Brabant Massifs. 1. Kaolinitic rocks observed in outcrops or boreholes. 2. Wealden facies observed in outcrops or boreholes. 3. Pelito-arenitic type basement (Cambrian to Carboniferous for the Ardenne and Cambrian to Silurian for Brabant). 4. Limestone-type basement (Middle Devonian to Carboniferous). Radiometric ages are presented for the sites which have been dated (see references in the text). Adapted from Dupuis (2002).