Petr Hykš:
Oolitic limestone
Petr Hykš:
Brachiopod fossil in chert
Petr Hykš:
Conglomerate, compacted sediment
Petr Hykš:
Chlamys sp. & ichnofossils in jurassic, biodetritic limestone
Petr Hykš:
Bohemiella romingeri brachiopod limestone
Petr Hykš:
Crinoid limestone
Petr Hykš:
Banded chert
Petr Hykš:
Sea urchin spine fossil imprint in chert
Petr Hykš:
Fossil gastropod in travertine
Petr Hykš:
Crinoid limestone
Petr Hykš:
Greywacke with intraclasts
Petr Hykš:
Fossil-rich layers in a sedimentary rock
Petr Hykš:
Mrazový hrnec
Petr Hykš:
Crinoid limestone (detail)
Petr Hykš:
Orthoceras limestone
Petr Hykš:
Breccia
Petr Hykš:
Ophiomorpha isp.
Petr Hykš:
Oolitic limestone (micro-capture, 200x)
Petr Hykš:
Oolitic limestone (micro-capture, 30x)
Petr Hykš:
Oolitic limestone
Petr Hykš:
Festoon cross bedding (unannotated)
Petr Hykš:
Festoon cross bedding (annotated)
Petr Hykš:
Festoon cross bedding (unannotated)
Petr Hykš:
Festoon cross bedding (annotated)
Petr Hykš:
Festoon cross bedding, discordance
Petr Hykš:
Sponge biostrome
Petr Hykš:
Sandstone spheroidal weathering
Petr Hykš:
Grains of sand
Petr Hykš:
The day we explored the Moravian Karst
Petr Hykš:
Amphipora & rugose coral cross-sections
