CRETACEOUS FLOODING OF THE BRABANT MASSIF AND THE LITHOSTRATIGRAPHIC CHARACTERISTICS OF ITS CHALK COVER IN NORTHERN BELGIUM

Chalk is the most characteristic facies type of the Upper Cretaceous in Belgium and the only Cretaceous rock type found on the central and northern parts of the Brabant Massif. Marine Cretaceous deposits gradually encroached the Brabant Massif from the south during transgressive pulses starting in the Cenomanian - Turonian, displaying chalk facies from the Coniacian onwards. The chalk cover on the northern part of the Brabant Massif and in the...