Tabular chert of the Abensberg-Arnhofen type : 2D documentation Upper Jurassic
Tabular chert of the Abensberg-Arnhofen type : 3D documentation Upper Jurassic
Chocolate' flint : 3D documentation Upper Jurassic
Chocolate' flint : 2D documentation Upper Jurassic (Oxfordian/Kimmeridgian)
Chocolate' flint : 2D documentation Upper Jurassic (Oxfordian/Kimmeridgian)
Chocolate' flint : 2D documentation Upper Jurassic (Oxfordian/Kimmeridgian)
Chocolate' flint : 2D documentation Upper Jurassic (Oxfordian/Kimmeridgian)
Chocolate' flint : 2D documentation Upper Jurassic (Oxfordian/Kimmeridgian)
Chocolate' flint : 2D 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 Oxford/ Lower Kimmeridgian
Chocolate' flint : 3D documentation Upper Oxford/ Lower Kimmeridgian
Chocolate' flint : 2D documentation Upper Jurassic (Oxfordian/Kimmeridgian)
Cretaceous flint from Rijckholt-St.Geertruid mine : 2D documentation Upper Cretaceous (Maastrichtian)
Cretaceous flint from Rijckholt-St.Geertruid mine : 2D documentation Upper Cretaceous (Maastrichtian)
Cretaceous flint from Rijckholt-St.Geertruid mine : 2D documentation Upper Cretaceous (Maastrichtian)
Cretaceous flint from Rijckholt-St.Geertruid mine : 2D documentation Upper Cretaceous (Maastrichtian)
Cretaceous flint from Rijckholt-St.Geertruid mine : 2D documentation Upper Cretaceous (Maastrichtian)
Chocolate' flint : 3D documentation Upper Jurassic (Oxfordian/Kimmeridgian)
Chocolate' flint : 2D documentation Upper Jurassic
Scandynavian Senonian Flint : 3D documentation Maastrichtian
Chocolate' flint : 3D documentation Upper Jurassic (Oxfordian/Kimmeridgian)