geological landscape. outcrop of silurian and devonian deposits

age archeology beach clear clouds coast coastal cobble column compound devonian era erosion eyes fossils gemology geological geology grass green high inclination kitaygorod landscape layers monument natural old outcrop paleology paleontology paleozoic panorama river science sea section sediment shale silur silurian spiulosus strata stratum stratume talus ternava texture the tourism trees under village water weekend