Scandynavian Senonian Flint : 3D documentation Maastrichtian
Speckled Senonian Flint : 3D documentation Maastrichtian
Cretaceous flint from Rijckholt-St.Geertruid mine : 2D documentation Upper Cretaceous (Maastrichtian)
Scandynavian Senonian Flint : 2D documentation Maastrichtian
Speckled Senonian Flint : 2D documentation Maastrichtian
Cretaceous flint from Rijckholt-St.Geertruid mine : 3D documentation Upper Cretaceous (Maastrichtian)