The hole was bored through the medium gray Lower Pontian silt with the yellowish sideritic intercalation and dark gray worm boring pack. Different sedimentary structures, like silt shadows and fish marks, are present. The chemical, radiometric and other obtained values are in the accordance with the composition of the Earth's crust or close to it. Paradacna abichi,Carinatocongeria digitiferra, Valenciennius, and other macrofauna were observed paleoecologicaly. Micropaleontological analyses completed the sedimentological data. Paleoenvironment: sheltered part of basin, no islands, on the edge of steady currents coming from south-east.