beautiful mountain river with rapid current. prut river and mountain folds

river mountain nature autumn folds bank beautiful bedding brook brooklet carpathians cascade cataract cleavage creek current deformation deposition earth environment flow formation fracture geognosy geological geology gorgany mineralogy miocene planet precipice prut rapid rivulet rocks scenic sedimentary stones stratification stratum stream stryi surface terraformation terraforming trees ukraine water waterfall yaremche current biggest outcrop europe folded faulted gothic chevron types