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