Chert : 3D documentation Jurassic/Cretaceous from Miocene sediments
Chert : 3D documentation Jurassic/Cretaceous from Miocene sediments
Scandynavian Senonian Flint : 3D documentation Maastrichtian
Scandynavian Senonian Flint : 3D documentation Maastrichtian
Świeciechów flint : 3D documentation Turonian
Chocolate' flint : 2D documentation Upper Jurassic (Oxfordian/Kimmeridgian)
Chocolate' flint : 2D documentation Upper Jurassic (Oxfordian/Kimmeridgian)
Świeciechów flint : 3D documentation Turonian
Scandynavian Senonian Flint : 2D documentation Maastrichtian
Grand-Pressigny flint : 3D documentation Turonian
Grand-Pressigny flint : 3D documentation Turonian
Chocolate' flint : 2D documentation Upper Jurassic
Chocolate' flint : 2D documentation Upper Jurassic
Striped flint : 3D documentation Upper Oxford
Świeciechów flint : 3D documentation Turonian
Cretaceous flint from Rijckholt-St.Geertruid mine : 2D documentation Upper Cretaceous (Maastrichtian)
Świeciechów flint : 3D documentation Turonian