%J CARPATHIAN JOURNAL OF EARTH AND ENVIRONMENTAL SCIENCES %R MTMT:3351641 10.26471/cjees/2018/013/041 %D 2018 %N 2 %I szte %V 13 %L publicatio17423 %P 477-487 %A Gyollai IldikĂł %A PolgĂĄri MĂĄrta Piroska %A BirĂł LĂłrĂĄnt %A Vigh TamĂĄs %A KovĂĄcs Tibor %A PĂĄl-MolnĂĄr ElemĂŠr %T Fossilized biomats as the possible source of high natural radionuclide content at the jurassic ĂşrkĂşt manganese ore deposit, Hungary