The stone

carriere_de_la_plaine_de_caenarcade_en_pierre_de_caen

Caen Stone

Two types of rock are typical of the Plain of Caen Quarries :

Semi-soft Caen stone and hard Caen stone

Hard or semi-soft Caen stone
puce Type : Bathonian . Stage.
puce Appearance : Fine grain on a solid creamy-white ground with small holes trous.