Bagaeva Marina Igorevna RussiaSaratovSaratov State University, 83, Astrakhanskaya Str., Saratov, 410012, Russiapost-graduate studentbagaevami@mail.ru Author's articles Magnetic Structures as Indicators Some Features of Formations of Tithonian-Berriasian Rocks in the Mountain Crimea Possible Changes of the Geomagnetic Field Intention in Titonian – Berrassian and Campanian – Maastrichtian