The Földtani Közlöny published since 1871 is the bulletin of the Hungarian Geological Society.  The aim of the journal is to publish new, original scientific results about the geology of the Carpatho-Pannonian area. Papers are peer reviewed and appear in Hungarian with preferably extended English abstract, bilingual figures and captions. English texts are also accepted. News and events of the Society also can be read. Since 2017 it is an Open Access journal.