Plattenhornstein chert (Tabular chert of the Baiersdorf-type) : 2D documentation Tithonian/Upper Jurassic
Plattenhornstein chert (Tabular chert of the Baiersdorf-type) : 3D documentation Tithonian/Upper Jurassic
Chocolate' flint : 2D documentation Upper Jurassic
Chocolate' flint : 2D documentation Upper Jurassic
Chocolate' flint : 2D documentation Upper Jurassic (Oxfordian/Kimmeridgian)
Chocolate' flint : 3D documentation Upper Jurassic
Krzemień kredowy : dokumentacja [2D] górny kampan
Chocolate' flint : 3D documentation Upper Jurassic (Oxfordian/Kimmeridgian)
Chocolate' flint : 3D documentation Upper Jurassic
Krzemień kredowy : dokumentacja [3D] górny kampan