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Home Archive of journals Issue 3(35) 2019 Khatanga-Lomonosov fault zone: structure, tectonic position and geodynamics

KHATANGA-LOMONOSOV FAULT ZONE: STRUCTURE, TECTONIC POSITION AND GEODYNAMICS

JOURNAL: 2019, 3(35), p. 47-61

RUBRIC: Research activities in the Arctic

AUTHORS: Lobkovsky L.I., Shipilov E.V., Skarubo S.I.

ORGANIZATIONS: P. P. Shirshov Institute of Oceanology of the Russian Academy of Sciences, Polar Geophysical Institute of the Kola Scientific Center of RAS , Marine Arctic Geological Expedition

DOI: 10.25283/2223-4594-2019-3-47-61

UDC: 55:551.24

The article was received on: 12.04.2019

Keywords: Arctic Ocean, Lomonosov ridge, geodynamic evolution, seismic sections, tectonics, Eurasian basin, Laptev Sea continental margin, Khatanga-Lomonosov fault zone, geophysical fields

Bibliographic description: Lobkovsky L.I., Shipilov E.V., Skarubo S.I. Khatanga-Lomonosov fault zone: structure, tectonic position and geodynamics. Arctic: ecology and economy, 2019, no. 3(35), pp. 47-61. DOI: 10.25283/2223-4594-2019-3-47-61. (In Russian).


ANNOTATION:

For the first time according to the results of the interpretation of new seismic data the structural features of the Khatanga-Lomonosov fault zone, adapted to the junction of the Laptev Sea continental margin with the structures of the Eurasian spreading basin and the Lomonosov ridge are considered. The reflection of the Khatanga-Lomonosov fault zone in anomalous geophysical fields, in a wave seismic picture on the sections is illustrated and the nature of its kinematic relationships with heterogeneous tectonic elements is demonstrated. The most noticeable horizontal movements in this area occur at the Late Cretaceous — the first half of the Paleogene. The tectonic nature, the role and place of this fault zone in the geodynamic evolution of the region are substantiated.


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© 2011-2019 Arctic: ecology and economy
DOI 10.25283/2223-4594