About 18 m thick stromatolite-bryozoan boundstones with some intercalations of grainstones, packstones and wackestone.
One horizon with rudstones.
Bryozoans:
Fenestella
Thamnopora
Acanthocladia
Stenopora
Proretopora

Abstract ref. 1495:
In the deep borehole H2 - 1/90 of 'Petrobaltic' joint venture situated 20 km eastward from the Island of Rügen a reef of the basal Zechstein (Upper Permian) was discovered. Litho- and biofacies of this reef were investigated by the authors of this paper. New results allow a new palaeogeographic interpretation of some elder boreholes of Rügen Island.