Third year PhD student Ábel Markó participated at the International Meeting of Sedimentology between 12-18.06.2023 in Dubrovnik Croatia where he presented his research entitled “Investigation of a deltaic thermal water reservoir formation in the Zala region (SW Hungary)”. As the sedimentological aspect of his doctoral research Ábel mapped the heterogeneities of the porous aquifers and investigated the significance of the during the production reinjection process.