geological landscape. outcrop of silurian and devonian deposits

aerial age brown cliff clouds coast devonian era forest fossils geological geology grass green kingdom kitaygorod landscape layers level magnesium mineral monument muslovka natural outcrop palaeozoic paleology paleontology paleozoic panorama period point river rock sea section sediment silhouette silur silurian strata stratum structure talus ternava the translucent trees trekking under united valley village