Tabular chert of the Baiersdorf-type : 3D documentation Tithonian/Upper Jura
Tabular chert of the Baiersdorf-type : 3D documentation Tithonian/Upper Jura
Tabular chert of the Baiersdorf-type : 2D documentation Tithonian/Upper Jura
Tabular chert of the Baiersdorf-type : 3D documentation Tithonian/Upper Jura
Chert : 3D documentation Jurassic/Cretaceous from Miocene sediments
Chert : 3D documentation Jurassic/Cretaceous from Miocene sediments
Chert : 3D documentation Jurassic/Cretaceous from Miocene sediments
Villemaur-sur-Vanne : 3D documentation Cretaceous
Banded flint : 3D documentation Upper Jurassic (Oxfordian/Kimmeridgian)
Świeciechów flint : 3D documentation Turonian
Chocolate' flint : 2D documentation Upper Jurassic
Flint Raurakian : 2D documentation Upper Jurassic - Rauracian
Banded flint : 3D documentation Upper Jurassic (Oxfordian/Kimmeridgian)
Flint Raurakian : 2D documentation Upper Jurassic - Rauracian
Świeciechów flint : 2D documentation Turonian
Banded flint : 3D documentation Upper Jurassic (Oxfordian/Kimmeridgian)