Petr Hykš: Žabčice gravel pit - panorama
Petr Hykš: Distant Pálava hills (jurassic & cretaceous limestone)
Petr Hykš: The day we saw a beautiful sedimentary profile
Petr Hykš: Sedimentary profile (quartenary fluvial gravel)
Petr Hykš: Sedimentary profile (quartenary fluvial sands & gravel discordance)
Petr Hykš: Sedimentary profile (quartenary fluvial sands & gravel discordance)
Petr Hykš: Sedimentary textures in quartenary fluvial sands & gravel
Petr Hykš: Rudice-type geode
Petr Hykš: Zdeněk exploring the petrified wood
Petr Hykš: Petrified wood found by Luboš
Petr Hykš: Quercoxylon
Petr Hykš: Petrified wood
Petr Hykš: Ostrea? sp.
Petr Hykš: Rhynchonellida gen. sp. brachiopod imprints & crinoid stems imprints
Petr Hykš: Rhynchonellida gen. sp. brachiopod
Petr Hykš: Paracidaris sp. sea urchin spine
Petr Hykš: Rudice-type geode