Chocolate' flint : 3D documentation Upper Jurassic
Cretaceous flint from Rijckholt-St.Geertruid mine : 3D documentation Upper Cretaceous (Maastrichtian)
Chocolate' flint : 3D documentation Upper Jurassic
Cretaceous flint from Rijckholt-St.Geertruid mine : 3D documentation Upper Cretaceous (Maastrichtian)
Cretaceous flint from Rijckholt-St.Geertruid mine : 3D documentation Upper Cretaceous (Maastrichtian)
Świeciechów flint : 3D documentation Turonian
Świeciechów flint : 2D documentation Turonian
Świeciechów flint : 2D documentation Turonian
Banded flint : 2D documentation Upper Jurassic (Oxfordian/Kimmeridgian)
Banded flint : 3D documentation Upper Jurassic (Oxfordian/Kimmeridgian)
Chocolate' flint : 2D documentation Upper Jurassic (Oxfordian/Kimmeridgian)
Chocolate' flint : 2D documentation Upper Jurassic (Oxfordian/Kimmeridgian)
Chocolate' flint : 3D documentation Upper Jurassic (Oxfordian/Kimmeridgian)
Cuiry-lès-Chaudardes : 3D documentation Cretaceous
Grand-Pressigny flint : 3D documentation Turonian