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Zhizn Zemli [Life of the Earth] 45, no 3
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Zhizn Zemli [Life of the Earth] 45, no 3

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DOI

10.29003/m3550.0514-7468.2023_45_3/341-354

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Authors:

Agranov, G.D., Dubinin, E.P., Grokholskii, A.L.

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Keywords:

North Atlantic Ocean, marginal plateaux, Vøring Plateau, Yermak Plateau, Morris Jesup Rise, passive margin, physical modeling.

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Agranov, G.D., Dubinin, E.P., Grokholskii, A.L., “Physical modeling of the formation conditions of marginal plateaux on the example of structures in the North Atlantic Ocean”, Zhizn Zemli [Life of the Earth] 45, no 3, 341–354 (2023) (in Russ., abstr. in Engl.). DOI: 10.29003/m3550.0514-7468.2023_45_3/341-354.

Physical modeling of the formation conditions of marginal plateaux on the example of structures in the North Atlantic Ocean

Peculiarities of the formation of marginal plateaus in the early period of the opening of the North Atlantic Ocean are considered. The oceanic opening between Greenland and Europe (formation of the North Atlantic Ocean) began approx. 50–55 Mya after a long period of rifting, followed by the formation of the Aegir spreading ridge and the formation of the basin of the Norwegian Deep. Since that moment, the formation of a series of specific structures (marginal plateaus) began. The article considers conditions for their formation, using the physical modeling method. Three groups of structures were distinguished and typified according to the formation mechanism. A series of experiments was performed to each type of structures. Experimental results are compared with our proposed model for the formation and evolution of marginal plateaux.

Список литературы

  1. Avenarius, I.G., Yevteyeva, I.S., Loginova, I.E., Repkina, T.Yu. “Similarity between morphostructures of the Spitsbergen–North Greenland and Laptev regions”, Comprehensive studies of the nature of Spitsbergen, 217–236 (2006) (in Russian).
  2. Grokholskii, A.L., Dubinin, E.P., “Analog modeling of structure-forming deformations of the lithosphere in rift zones of mid-oceanic ridges”, Geotectonika 1, 76–94 (2006) (in Russian).
  3. Grokholskii, A.L., Dubinin, E.P., “Kinematic and Morphometric Patterns of the Structure of Overlapping Zones of Spreading Axes of Mid-Ocean Ridges”, Tikho-okeanskaya geologiya [Pacific geology] 18 (4), 3–15 (in Russian).
  4. Dubinin, E.P., “Geodynamic settings for the formation of microcontinents, submerged plateaux, and non-volcanic islands within conti-nental margins”, Okeanologiya 58 (3), 463–475 (2018) (in Russian).
  5. Dubinin, E.P., Grokholsky, A.L., “Specific features of structure formation during the development of the lithosphere of the Gulf of Aden (physical modeling)”, Geodynamika & Tektonofizika 11 (3), 522–547 (2020) (in Russian).
  6. Dubinin, E.P., Kokhan, A.V., Filaretova, A.N. “Bottom relief of the Arctic Ocean”, Zhizn Zemli [Life of the Earth] 40 (3), 262–282 (2018) (in Russian).
  7. Leichenkov, G.L., Dubinin, E.P., Grokholsky, A.L., Agranov, G.D., “Formation and evolution of microcontinents of the Kerguelen Plateau, southern part of the Indian Ocean”, Geotectonika 5, 3–21 (2018) (in Russian).
  8. Shreider, A.A., Sazhneva, A.E., Klyuev, M.S., Brekhovskikh, A.L., Rakitin, I.Ya., Zuev, O.A. “Kinematics of the Bottom of the Greenland Eurasian Basin”, Okeanologiya 59 (2), 282–291 (2019) (in Russian).
  9. Dore, A.G., Lundin, E.R., “Cenozoic compressional structures on the NE Atlantic margin; nature, origin and potential significance for hy-drocarbon exploration”, Petroleum Geoscience 2 (4), 299–311 (1996).
  10. Gebco_2014 grid. ver. 20150318 (http://www.gebco.net).
  11. Jokat, W., “The expedition of the research vessel “Polarstern” to the Arctic in 2008 (ARK-XXIII/3), Berichte zur Polar-und Meer-esforschung”, Reports on Polar and Marine Research. Alfred Wegener Institute for Polar and Marine Research 597, 266.
  12. Mosar, J., Eide, E.A., Osmundsen, P.T., Sommaruga, A. & Torsvik, T.H., “Greenland-Norway separation: A geodynamic model for the North Atlantic”, Norwegian J. of Geology 82, 281–298 (2002).
  13. Peron-Pindivic, G., Gernigon, L., Gaina, C., Ball, P., “Insights from the Jan Mayen system in the Norwegian–Greenland Sea – II. Archi-tecture of a microcontinent”, Geophys. J. Int. 191, 413–435 (2012).
  14. Peron-Pinvidic, G., Gernigon, L., Gaina, C., Ball, P., “Insights from the Jan Mayen system in the Norwegian–Greenland sea–I. Mapping of a microcontinent”, Geophys. J. Int. 191, 385–412 (2012).
  15. Shemenda, A.I., Grocholsky, A.L., “Physical modeling of slow seafloor spreading”, J. Geophys. Res. 99, 9137–9153 (1994).
  16. Sydnes, M., Fjeldskaar, W., Løtveit, I.F., Grunnaleite, I., Cardozo, N. “The importance of sill thickness and timing of sill emplacement on hydrocarbon maturation”, Marine and Petroleum Geology 89 (2), 500–514 (2018).
  17. Torsvik, T.H., Mosar, J., Eide, E.A., “Cretaceous–Tertiary geodynamics: a North Atlantic exercise”, Geophys. J. Int. 146, 850–866 (2001).
  18. Zastrozhnov, D., Gernigon, L., Gogin, I., Abdelmalak, M.M., Planke, S., Faleide, J.I., Myklebust, R., “Cretaceous–Paleocene evolution and crustal structure of the northern Vøring Margin (offshore mid-Norway): Results from integrated geological and geophysical study”, Tecton-ics 37 (2), 497–528 (2018).

References

  1. Avenarius, I.G., Yevteyeva, I.S., Loginova, I.E., Repkina, T.Yu. “Similarity between morphostructures of the Spitsbergen–North Greenland and Laptev regions”, Comprehensive studies of the nature of Spitsbergen, 217–236 (2006) (in Russian).
  2. Grokholskii, A.L., Dubinin, E.P., “Analog modeling of structure-forming deformations of the lithosphere in rift zones of mid-oceanic ridges”, Geotectonika 1, 76–94 (2006) (in Russian).
  3. Grokholskii, A.L., Dubinin, E.P., “Kinematic and Morphometric Patterns of the Structure of Overlapping Zones of Spreading Axes of Mid-Ocean Ridges”, Tikho-okeanskaya geologiya [Pacific geology] 18 (4), 3–15 (in Russian).
  4. Dubinin, E.P., “Geodynamic settings for the formation of microcontinents, submerged plateaux, and non-volcanic islands within conti-nental margins”, Okeanologiya 58 (3), 463–475 (2018) (in Russian).
  5. Dubinin, E.P., Grokholsky, A.L., “Specific features of structure formation during the development of the lithosphere of the Gulf of Aden (physical modeling)”, Geodynamika & Tektonofizika 11 (3), 522–547 (2020) (in Russian).
  6. Dubinin, E.P., Kokhan, A.V., Filaretova, A.N. “Bottom relief of the Arctic Ocean”, Zhizn Zemli [Life of the Earth] 40 (3), 262–282 (2018) (in Russian).
  7. Leichenkov, G.L., Dubinin, E.P., Grokholsky, A.L., Agranov, G.D., “Formation and evolution of microcontinents of the Kerguelen Plateau, southern part of the Indian Ocean”, Geotectonika 5, 3–21 (2018) (in Russian).
  8. Shreider, A.A., Sazhneva, A.E., Klyuev, M.S., Brekhovskikh, A.L., Rakitin, I.Ya., Zuev, O.A. “Kinematics of the Bottom of the Greenland Eurasian Basin”, Okeanologiya 59 (2), 282–291 (2019) (in Russian).
  9. Dore, A.G., Lundin, E.R., “Cenozoic compressional structures on the NE Atlantic margin; nature, origin and potential significance for hy-drocarbon exploration”, Petroleum Geoscience 2 (4), 299–311 (1996).
  10. Gebco_2014 grid. ver. 20150318 (http://www.gebco.net).
  11. Jokat, W., “The expedition of the research vessel “Polarstern” to the Arctic in 2008 (ARK-XXIII/3), Berichte zur Polar-und Meer-esforschung”, Reports on Polar and Marine Research. Alfred Wegener Institute for Polar and Marine Research 597, 266.
  12. Mosar, J., Eide, E.A., Osmundsen, P.T., Sommaruga, A. & Torsvik, T.H., “Greenland-Norway separation: A geodynamic model for the North Atlantic”, Norwegian J. of Geology 82, 281–298 (2002).
  13. Peron-Pindivic, G., Gernigon, L., Gaina, C., Ball, P., “Insights from the Jan Mayen system in the Norwegian–Greenland Sea – II. Archi-tecture of a microcontinent”, Geophys. J. Int. 191, 413–435 (2012).
  14. Peron-Pinvidic, G., Gernigon, L., Gaina, C., Ball, P., “Insights from the Jan Mayen system in the Norwegian–Greenland sea–I. Mapping of a microcontinent”, Geophys. J. Int. 191, 385–412 (2012).
  15. Shemenda, A.I., Grocholsky, A.L., “Physical modeling of slow seafloor spreading”, J. Geophys. Res. 99, 9137–9153 (1994).
  16. Sydnes, M., Fjeldskaar, W., Løtveit, I.F., Grunnaleite, I., Cardozo, N. “The importance of sill thickness and timing of sill emplacement on hydrocarbon maturation”, Marine and Petroleum Geology 89 (2), 500–514 (2018).
  17. Torsvik, T.H., Mosar, J., Eide, E.A., “Cretaceous–Tertiary geodynamics: a North Atlantic exercise”, Geophys. J. Int. 146, 850–866 (2001).
  18. Zastrozhnov, D., Gernigon, L., Gogin, I., Abdelmalak, M.M., Planke, S., Faleide, J.I., Myklebust, R., “Cretaceous–Paleocene evolution and crustal structure of the northern Vøring Margin (offshore mid-Norway): Results from integrated geological and geophysical study”, Tecton-ics 37 (2), 497–528 (2018).