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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?
Cretaceous flint from Rijckholt-St.Geertruid mine : 3D documentation Upper Cretaceous (Maastrichtian)
Lousberg flint : 3D documentation Upper Cretaceous (Maastrichtian)
Chocolate' flint : 3D documentation Upper Jurassic
Banded flint : 3D documentation Upper Jurassic (Oxfordian/Kimmeridgian)
Flint from Spiennes : 3D documentation Maastrichtian
Abilly la Claisière : 3D documentation Turonian
Villemaur-sur-Vanne : 3D documentation Cretaceous
Gray white-spotted flint : 3D documentation Turonian
Scandynavian Senonian Flint : 3D documentation Maastrichtian
Chocolate' flint : 3D documentation Upper Jurassic
Tabular chert of the Baiersdorf-type : 3D documentation Tithonian/Upper Jura
Lousberg flint : 3D documentation Upper Cretaceous (Maastrichtian)
Blok krzemienny 131 [brak danych] paleolit schyłkowy / mezolit ?