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Jurassic flint : 3D documentation Upper Jurassic
Chocolate' flint : 3D documentation Upper Jurassic (Oxfordian/Kimmeridgian)
Chert : 3D documentation Jurassic/Cretaceous from Miocene sediments
Chert : 3D documentation Jurassic/Cretaceous from Miocene sediments
Chert : 3D documentation Jurassic/Cretaceous from Miocene sediments
Flint from Spiennes : 3D documentation Maastrichtian
Chocolate' flint : 3D documentation Upper Jurassic
Chocolate' flint : 3D documentation Upper Jurassic
Chocolate' flint : 3D documentation Upper Jurassic
Chocolate' flint : 3D documentation Upper Jurassic
Blok krzemienny 138 [brak danych] mezolit ?
Blok krzemienny 137 [brak danych] paleolit schyłkowy?
Scandynavian Senonian Flint : 3D documentation Maastrichtian
Plattenhornstein chert of the Abensberg-Arnhofen type : 3D documentation Upper Jurassic
Grand-Pressigny flint : 3D documentation Turonian
Cuiry-lès-Chaudardes : 3D documentation Cretaceous
Abilly la Claisière : 3D documentation Turonian
Villemaur-sur-Vanne : 3D documentation Cretaceous
Szentgál radiolarite : 3D documentation Middle Jurassic
Chocolate' flint : 3D documentation Upper Jurassic
Grand-Pressigny flint : 3D documentation Turonian
Cretaceous flint from Rijckholt-St.Geertruid mine : 3D documentation Upper Cretaceous (Maastrichtian)
Szentgál radiolarite : 3D documentation Middle Jurassic
Tabular chert of the Abensberg-Arnhofen type : 3D documentation Upper Jurassic