Tidal flat and floodplain deposits in the Lower Devonian of the western Lublin Uplands (after the boreholes Pionki 1 and Pionki 4)

Fades analysis of the Lower Devonian deposits recorded in the boreholes Pionki 1 and Pionki 4 located in the western Lublin Uplands, between the Holy Cross Mts and the south-western margin of the East-European platform, permits a recognition of marine, tidal-flat, and flood-plain environments. The accumulated clastic material derived from the East-European platform.