Аннотация:he section of Jurassic / Cretaceous boundary beds in Feodosiya City region has been known since the XIX century. However, so far nobody has studied its sedimentology. Therefore, in 2010 complex research was carried out on this section (about 300 m), including biostratigraphic (Moscow State University, St. Petersburg University), paleomagnetic (Saratov State University) and sedimentologic studies (MSU, GIN RAS).During the latest Tithonian-earliest Berriasian, the region was a part of a distally-steepened ramp of shoal-rimmed platform, covered by hemipelagic and gravitational deposits of a considerable thickness.