https://www.un.org/depts/los/clcs_new/submissions_files/rus01/RUS_CLCS_01_2001_LOS_2.jpg Area of the continental shelf of the Russian Federation in the Arctic Ocean beyond 200-nautical-mile zone] - borders of the 200 nautical miles zone are marked in red, territory claimed by Russia is shaded One of the arguments was a statement that the underwater Lomonosov Ridge and Mendeleev Ridge are extensions of the Eurasian continent.