Formation Peculiarities of the Franz Josef Land Volcanic Province, Arctic Ocean: The Melt Movement Direction Estimated from Anisotropy of Magnetic Susceptibility
- Authors: Abashev V.V.1,2, Vernikovsky V.A.1,2, Kazansky A.Y.3,4, Metelkin D.V.1,2, Mikhaltsov N.E.1,2, Bragin V.Y.1,2
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Affiliations:
- Trofimuk Institute of Petroleum Geology and Geophysics, Siberian Branch, Russian Academy of Sciences
- Novosibirsk State University
- Moscow State University
- Geological Institute, Russian Academy of Sciences
- Issue: Vol 486, No 1 (2019)
- Pages: 481-484
- Section: Geology
- URL: https://ogarev-online.ru/1028-334X/article/view/194904
- DOI: https://doi.org/10.1134/S1028334X19050106
- ID: 194904
Cite item
Abstract
The work presents the first results on the anisotropy of magnetic susceptibility in Hooker Island basaltoids; this anisotropy is related to the direction of motion of the melt, the location of eruption centers, and the morphology of igneous bodies. The peculiarities of the primary magnetic fabric revealed correspond to a trap mechanism of formation of the Franz Josef Land igneous province and reflect the simultaneous effect of multiple small eruption centers. Earlier conclusions about the long-term (during the Early Jurassic–Early Cretaceous) multistage magmatism history have not been supported.
About the authors
V. V. Abashev
Trofimuk Institute of Petroleum Geology and Geophysics, Siberian Branch, Russian Academy of Sciences; Novosibirsk State University
Author for correspondence.
Email: abashevvv@ipgg.sbras.ru
Russian Federation, Novosibirsk, 630090; Novosibirsk, 630090
V. A. Vernikovsky
Trofimuk Institute of Petroleum Geology and Geophysics, Siberian Branch, Russian Academy of Sciences; Novosibirsk State University
Email: abashevvv@ipgg.sbras.ru
Russian Federation, Novosibirsk, 630090; Novosibirsk, 630090
A. Yu. Kazansky
Moscow State University; Geological Institute, Russian Academy of Sciences
Email: abashevvv@ipgg.sbras.ru
Russian Federation, Moscow, 119991; Moscow, 119017
D. V. Metelkin
Trofimuk Institute of Petroleum Geology and Geophysics, Siberian Branch, Russian Academy of Sciences; Novosibirsk State University
Email: abashevvv@ipgg.sbras.ru
Russian Federation, Novosibirsk, 630090; Novosibirsk, 630090
N. E. Mikhaltsov
Trofimuk Institute of Petroleum Geology and Geophysics, Siberian Branch, Russian Academy of Sciences; Novosibirsk State University
Email: abashevvv@ipgg.sbras.ru
Russian Federation, Novosibirsk, 630090; Novosibirsk, 630090
V. Yu. Bragin
Trofimuk Institute of Petroleum Geology and Geophysics, Siberian Branch, Russian Academy of Sciences; Novosibirsk State University
Email: abashevvv@ipgg.sbras.ru
Russian Federation, Novosibirsk, 630090; Novosibirsk, 630090
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