First estimates of paleosecular variations in the Cretaceous superchron based on the rocks of the Okhotsk-Chukotka volcanic belt

Aleksandr Pasenko1, Dmitry Gavryushkin1, Tatiana Fadeeva2, Olesya Usanova2 and Vladimir Pavlov1, (1)Institute of Physics of the Earth RAS, Moscow, Russia, (2)Faculty of Geology, Lomonosov Moscow State University, Moscow, Russia