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 : 3D documentation Tithonian/Upper Jura
Plattenhornstein chert (Tabular chert of the Baiersdorf-type) : 3D documentation Tithonian/Upper Jurassic