Arctic Ocean Mega Project: Paper 3 - Mesozoic to Cenozoic geological evolution

Nikishin, A.M.; Petrov, E.I.; Cloetingh, S.; Freiman, S.I.; Malyshev, N.A.; Morozov, A.F.; Posamentier, H.W.; Verzhbitsky, V.E.; Zhukov, N.N.; Startseva, K.

Авторы: Nikishin Anatoly M., Petrov Eugene I., Cloetingh Sierd, Freiman Sergey I., Malyshev Nikolay A., Morozov Andrey F., Posamentier Henry W., Verzhbitsky Vladimir E., Zhukov Nikolay N., Startseva Ksenia
Журнал: Earth-Science Reviews
Год издания: 2021
Издательство: Elsevier BV
Местоположение издательства: Netherlands
Номер статьи: 103034
DOI: 10.1016/j.earscirev.2019.103034
Аннотация: We present an atlas of paleogeographic and paleotectonic maps which documents major events in the Arctic for0–157 Ma. We demonstrate that the Mendeleev Ridge has a continental basement. The following chronology ofevents in the history of the Arctic Ocean is proposed: (1) Jurassic: continental rifting in the area of the Sverdrup-Banks basins and in the area of the present-day Canada Basin; a system of continental-margin volcanic beltsformed in the region of Chukotka and the Verkhoyansk-Omolon; (2) Berriasian-Barremian: formation of thecontinental-margin Verkhoyansk-Chukotka Orogen; fast opening of Canada Basin (~133–125 Ma); (3) Aptian-Albian: formation of continental igneous provinces, rifting and magmatism in the area of the Alpha-Mendeleev ridges; rifting in the Ust’-Lena, Anisin, North-Chukchi, Podvodnikov and Toll basins; (4)Cenomanian-Campanian: intraplate magmatism in the area of the Alpha-Mendeleev ridges; (5) Campanian-Maastrichtian: a likely start of compressional deformations in the area of the Chukchi Sea; (6) Paleocene: formationof the continental-margin orogen; continental rifting along the present-day Eurasia Basin and the Ust’-Lena Basin; (7) Early-Middle Eocene: onset of opening of the Eurasia Basin started; (8) Middle-Late Eocene: amajor restructuring of paleogeography of the Arctic took place at ca. 45 Ma with subaerial emergence of theBarents and Kara Sea shelves and onset of ultra-slow spreading of the Gakkel Ridge, and start of the epoch offormation of normal and strike-slip faults on the Lomonosov and Alpha-Mendeleev ridges and on the shelves ofthe Chukchi and East Siberian seas. Paleoclimate is discussed in connection with changes in the paleogeography.
Добавил в систему: Никишин Анатолий Михайлович

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Arctic Ocean Mega Project: Paper 3 - Mesozoic to Cenozoic geological evolutionстатья

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