P515 POLISH ROTLIEGEND BASIN – PROSPECTS OF NEW GAS PLAY DISCOVERIES 1 K. KWOLEK M. MALAGA A. PROTAS and T. WOLNOWSKI Polish Oil & Gas Company Ltd. Geological Bureau – GEONAFTA Sq. Staszic 9 64-920 Pila Poland The Polish Rotliegend Basin (PRB) becomes the eastern part of the European sedimentary basin continuing from England through Holland Denmark northern Germany to The PRB occupies the central and northern Poland area and locates onto the Paleozoic platform. This basement is dominated by folded and low metamorphosed rocks of the Lower Paleozoic (Variscides Carboniferous – Devonian in age) but only in its north-eastern