Cretaceous flint from Rijckholt-St.Geertruid mine : 3D documentation Upper Cretaceous (Maastrichtian)
Grand-Pressigny flint : 3D documentation Turonian
Jurassic flint : 2D documentation Upper Jurassic
Jurassic flint : 2D documentation Upper Jurassic
Jurassic flint : 2D documentation Upper Jurassic
Jurassic flint : 2D documentation Upper Jurassic
Jurassic flint : 2D documentation Upper Jurassic
Jurassic flint : 2D documentation Upper Jurassic
Jurassic flint : 2D documentation Upper Jurassic
Jurassic flint : 2D documentation Upper Jurassic
Jurassic flint : 2D documentation Upper Jurassic
Jurassic flint : 2D documentation Upper Jurassic
Jurassic flint : 3D documentation Upper Jurassic
Grand-Pressigny flint : 3D documentation Turonian
Grand-Pressigny flint : 2D documentation Turonian
Grand-Pressigny flint : 2D documentation Turonian
Grand-Pressigny flint : 2D documentation Turonian
Grand-Pressigny flint : 2D documentation Turonian
Grand-Pressigny flint : 2D documentation Turonian
Grand-Pressigny flint : 2D documentation Turonian
Jurassic flint : 2D documentation Upper Jurassic
Jurassic flint : 2D documentation Upper Jurassic
Abilly la Claisière : 3D documentation Turonian
Abilly la Claisière : 3D documentation Turonian
Abilly la Claisière : 3D documentation Turonian