首页|Late Cretaceous (Cenomanian-Coniacian) Stage of Rifting in the Northern Part of the North Atlantic and Arctic Basin
Late Cretaceous (Cenomanian-Coniacian) Stage of Rifting in the Northern Part of the North Atlantic and Arctic Basin
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Apatite fission track dating of Triassic (Anisium-Norium) sandstones of the Severnaya borehole on Graham Bell Island of Franz Josef Land was performed. The Late Cretaceous age (～90 Ma) of the transition from the stage of relative temperature and tectonic stability to the stage of "rapid" rock exhumation has been established. The Late Cretaceous (Cenomanian-Cognacian) stage of rock exhumation is widely manifested in the Arctic Basin and its frame and correlates with the stage of magmatism. It is suggested that these events record one of the stages of rifting development in the northern part of the North Atlantic and Arctic Basin, which is associated with reorganization of the direction of plate movement in the North Pacific Ocean.
Arctic Basingeodynamicsthermogeochronological studiesapatite fission track dating (AFT)magmatismCretaceous rifting
A. V. Zayonchek、A. V. Soloviev
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Geological Institute, Russian Academy of Sciences, Moscow, 119017 Russia
Geological Institute, Russian Academy of Sciences, Moscow, 119017 Russia||All-Russian Research Geological Oil Institute, Moscow, 105118 Russia
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