Chocolate' flint : 2D documentation Upper Jurassic (Oxfordian/Kimmeridgian)
Cuiry-lès-Chaudardes : 3D documentation Cretaceous
Cuiry-lès-Chaudardes : 2D documentation Cretaceous
Chocolate' flint : 3D documentation Upper Jurassic (Oxfordian/Kimmeridgian)