geological landscape. outcrop of silurian and devonian deposits

age ancient brown clouds coast coastal coral dalmanites devonian era etalon extinct fossil fossils geological geology grass green high italian kitaygorod landscape layers limulurus line meditating monument natural outcrop paleology paleontology paleozoic panorama point retro river seashell section sediment shale shore silhouette silur silurian stones strata stratum surface talus ternava the trees under village walking