Neotectonic Dislocations on the Barents Sea Shelf and Their Origin on the Basis of Morphometry of the Seafloor Relief, Seismic Survey, and the Deep Structure of the Mantle

A comprehensive analysis of the morphometric attribute “general curvature” for the Barents Sea bathymetry and reports on the seismic and seismoacoustic data on tectonic dislocations in a wave field, the fault network of the sedimentary cover, and seismotomographic data on the heterogeneous deep patt...

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Bibliographic Details
Published in:Doklady earth sciences 2023-01, Vol.508 (1), p.17-22
Main Authors: Sokolov, S. Yu, Abramova, A. S., Shkarubo, S. I.
Format: Article
Language:English
Subjects:
Bathymetry
Curvature
Dislocations
Earth
Earth and Environmental Science
Earth crust
Earth mantle
Earth Sciences
Geodynamics
Mantle
Morphometry
Neotectonics
Ocean floor
P-waves
Rheological properties
Seismic surveys
Seismic velocities
Seismic wave velocities
Seismic waves
Tectonics
Tectonics (Geology)
Upper mantle
Wave propagation
Wave velocity
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Summary:A comprehensive analysis of the morphometric attribute “general curvature” for the Barents Sea bathymetry and reports on the seismic and seismoacoustic data on tectonic dislocations in a wave field, the fault network of the sedimentary cover, and seismotomographic data on the heterogeneous deep pattern of the distribution of seismic wave velocities in the upper mantle are provided. The analysis showed that mobile blocks of the upper mantle, exhibiting heterogeneous rheological properties, are associated with the consolidated part of the Earth’s crust fault network of deep-seated origin. The fault network emerges on the seafloor and, becoming a relief-forming factor, forms specific domains with different textures displayed in the morphometric attribute “general curvature.”
ISSN:1028-334X
1531-8354
DOI:10.1134/S1028334X22601845