TECTONIC SCHEME FOR THE AMERASIA BASIN OF THE ARCTIC OCEAN

А. А. Chernykh; Черных А. А.; I. V. Yakovenko; Яковенко И. В.; V. D. Kaminskiy; Каминский В. Д.; V. Yu. Glebovskiy; Глебовский В. Ю.; M. S. Korneva; Корнева М. С.; I. A. Bashev; Башев И. А.

doi:10.31857/S2686739723600042

TECTONIC SCHEME FOR THE AMERASIA BASIN OF THE ARCTIC OCEAN

Autores: Chernykh А.А.¹, Yakovenko I.V.¹, Kaminskiy V.D.¹, Glebovskiy V.Y.¹, Korneva M.S.¹, Bashev I.A.¹
Afiliações:
1. Gramberg All-Russian Scientific Research Institute of Geology and Mineral Resources of the World Ocean
Edição: Volume 510, Nº 2 (2023)
Páginas: 134-141
Seção: GEOLOGY
##submission.dateSubmitted##: 30.01.2025
##submission.datePublished##: 01.06.2023
URL: https://rjmseer.com/2686-7397/article/view/649643
DOI: https://doi.org/10.31857/S2686739723600042
EDN: https://elibrary.ru/UJHOCE
ID: 649643

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Resumo

The tectonic scheme of the Amerasia Basin, as a result of a comprehensive analysis of geological and geophysical data, was created for the first time at 1:2 500 000 scale. The structural framework of the scheme was developed based on the results of basement mapping using reflection seismic sections and its detailing according to potential fields. The results of three-dimensional gravity modeling, presented by Moho depth and consolidated crust thickness calculations were used as basic indicators of the genesis of the crust. Tectonic elements of different ranks and kinematics were identified on seismic sections and traced according to potential fields. The created scheme is the most detailed among the published earlier, it demonstrates the features of the tectonic structure of individual geostructures, their nature and allows us to draw conclusions about the evolution of the Amerasia Basin. The listed issues are discussed in the text of the article.

Palavras-chave

Amerasia Basin, Canada Basin, Alpha Ridge, Mendeleev Rise, continental rifting, tectonics, evolution

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