Petr Hykš:
Kosov quarry
Petr Hykš:
Kosov quarry
Petr Hykš:
Kosov quarry
Petr Hykš:
Angular unconformity
Petr Hykš:
Brachiopod limestone
Petr Hykš:
Silurian brachiopods
Petr Hykš:
Silurian brachiopod (micro-capture)
Petr Hykš:
Silurian brachiopod (micro-capture)
Petr Hykš:
Silurian brachiopod (micro-capture)
Petr Hykš:
Silurian brachiopod (micro-capture)
Petr Hykš:
Chalcopyrite coating
Petr Hykš:
Cavity filled with chalcopyrite
Petr Hykš:
Chalcopyrite crystals (as found)
Petr Hykš:
Chalcopyrite crystals on limestone (detail)
Petr Hykš:
Chalcopyrite crystals on limestone (detail)
Petr Hykš:
Chalcopyrite (micro-capture)
Petr Hykš:
Chalcopyrite (micro-capture)
Petr Hykš:
Chalcopyrite (micro-capture)
Petr Hykš:
Tetragonal chalcopyrite crystals (micro-capture)
Petr Hykš:
Tetragonal chalcopyrite crystals (micro-capture, 200x)
Petr Hykš:
Chalcopyrite (micro-capture)
Petr Hykš:
Chalcopyrite (micro-capture)
Petr Hykš:
Chalcopyrite (micro-capture)
Petr Hykš:
Bohemiella romingeri brachiopod limestone
Petr Hykš:
Brachiopod (negative) (micro-capture)
Petr Hykš:
Bohemiella romingeri brachiopods
Petr Hykš:
Bohemiella romingeri brachiopod (negative) (micro-capture)
Petr Hykš:
Crinoid limestone
Petr Hykš:
Crinoid limestone
Petr Hykš:
Crinoid limestone
