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From Arctida to the Present-Day Arctic

... persisted. Thus, the completion of the major processes of the Arctic continental accretion proved coeval with the formation of Arctida II and supercontinent Pangea 250 million years ago, which was followed by the Jurassic-Cretaceous rifting. This stage ... ... their motion from the Atlantic to the Arctic Ocean. The process was accompanied, first, by some blocks rifting off the Alpha–Mendeleev rise and then, 55–54 million years ago, by the continental blocks of the Lomonosov Ridge, from the Barents-Kara continental margin due to the changing spreading zone and opening of the Eurasian Basin....

Modified: 30.08.2015
Arctic , Arctic Ocean , geology of the Arctic region , Arctida , paleogeodynamic reconstruction , continental shelf , Lomonosov Ridge , Mendeleev Rise
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