The bottom of the Lincoln Sea was formed in a continental area stretching Greenland-Barents Sea shelf. Prior to stretching the continental plateau of the shallow Morris Jesup and Ermak rep-resented the single unit. In the course of a single continental rifting is split in the plateau, giving rise to a process propagating mid-oceanic Gakkel Ridge. The process continued split-huddled around 1.5 my. in the range of 35.3–33.7 my. The introduction of numerous basic dikes in the process of rifting could determine high amplitude magnetic anomalies on a single plateau. For the first time carried out the restoration of the geometry of the crack split the continental crust, the Euler pole and angle describing its kinematics and restored paleobathymetry on the flanks of the cracks.
The new map of linear magnetic anomalies axis for the mid-Arctic ridge east areas development in the Eurasian basin is made. The domestic geomagnetic investigations for the first time allow to determine paleomagnetic anomaly C25 and estimate the time of transfer rifting to spreading process as chrons С25r-С26n (57.656-59.237 ma). The eastablishing of Lomonosov ridge and Siberian margin splitting zone is made. The Euler pole for the splitting kinematic for first time calculated. The nocoinciding of conjugate isobaths related to process of sliding peripheral continental crust areas along lithosphere thrust plane for the first time is calculate.
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