Chert : 2D documentation Jurassic/Cretaceous from Miocene sediments
Chert : 2D documentation Jurassic/Cretaceous from Miocene sediments
Chert : 3D documentation Jurassic/Cretaceous from Miocene sediments
Chert : 3D documentation Jurassic/Cretaceous from Miocene sediments
Chocolate' flint : 2D documentation Upper Jurassic
Chocolate' flint : 3D documentation Upper Jurassic
Chocolate' flint : 2D documentation Upper Jurassic
Banded flint : 2D documentation Upper Jurassic (Oxfordian/Kimmeridgian)
Banded flint : 3D documentation Upper Jurassic (Oxfordian/Kimmeridgian)
Jurassic flint : 3D documentation Upper Jurassic
Jurassic flint : 2D documentation Upper Jurassic
Chocolate' flint : 3D documentation Upper Jurassic