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Cretaceous limestones at Lutyi Dol, right side of the Iskar Gorge
Vertical beds of the Cretaceous limestone at Lutyi Dol
View down to the Iskar Gorge
Bottom of the Iskar Gorge.
Silurian black shales with graptolites
Flaggy Silurian shale
Silurian shales - bedding and cleavage
Octavites spiralis
Pristiograptus
Bottom of the Iskar Gorge.
Bedding in the Silurian shale
Oxidation (iron staining) on the surface of Silurian shales
Lepidodendron impression in the carboniferous sandstone
Plant remains in the Carboniferous sandstone
Outcrop of Devonian grey shales
Devonian shales. Outcrop detail
Paleozoic ophiolites