New data on potential fields are presented, compared with previous ideas about the regional structure and rift genesis of the Yenisei-Khatanga regional depression basement. Our 2D modeling based on geophysical data confirms the results of previous works regarding the identification of two types of the basement, and is consistent with the gravity-geodynamic concept of the formation of the Yenisei-Khatanga regional trough and the tectonic structures that complicate it, such as the Rassokhinsky and Balakhna megaridges. Also, as a result of our study of potential fields, the presence of a large volume of magmatic masses of ultrabasic and basic composition in the axial part of the Yenisei-Khatanga regional trough, Permian-Triassic age, was established, which confirms the rift mode of the region’s development.
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Zhizn Zemli [Life of the Earth] 46, no 3
Zhizn Zemli [Life of the Earth] 46, no 3
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Zhizn Zemli [Life of the Earth] 46, no 3
Zhizn Zemli [Life of the Earth] 46, no 3
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DOI
10.29003/m4183.0514-7468.2023_46_3/278-289
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Authors:
Ivanova S.R., Obukhov A.N., Korneyev A.A., Kalamkarov S.L., Loshakova I.F., Sokolova T.B.
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Keywords:
Yenisei-Khatanga regional trough, Rassokhinsky, Balakhna megaridge, rift model, aeromagnetic, aerogravimetric survey.
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Ivanova, S.R., Obukhov, A.N., Korneyev, A.A., Kalamkarov, S.L., Loshakova, I.F., Sokolova, T.B., "Geological and geophysical model of the central part of the Yenisey-Khatanga regional through based on the results of comprehensive interpretation of modern seismic and gravity-magnetic surveys", Zhizn Zemli [Life of the Earth] 46, no 3, 278–289 (2024) (in Russ., abstr. in Engl.). DOI: 10.29003/m4183.0514-7468.2023_46_3/278-289.
Geological and geophysical model of the central part of the Yenisei–Khatanga regional trough based on the results of comprehensive interpretationof modern seismic and gravity-magnetic surveys
Список литературы
- Afanasenkov, A.P., Lygin, I.V., Obukhov, A.N., Sokolova, T.B., Kuznetsov, K.M., “Volumetric reconstruction of tectonic elements of the Yenisei-Khatanga rift system based on the results of complex geological and geophysical interpretation”, Geophysics 2, 60–68 (2017) (in Russian).
- Afanasenkov, A.P., Obukhov, A.N., Chikishev, A.A., “On the issue of rifting of the Yenisei-Khatanga regional trough”, New Ideas in Oil and Gas Geology-2017 (Moscow: Lomonosov Moscow State University, 2017) (in Russian)
- Afanasenkov, A.P., Obukhov, A.N., Chikishev, A.A., Shaydakov, V.A., Bordyug, A.V., Kalamkarov, S.L., “Tectonics of the northern framing of the Siberian platform based on the results of a comprehensive analysis of geological and geophysical data”, Geology of oil and gas 1, 5–25 (2018) (in Russian).
- Baldin, V.A., Munasypov, N.Z., “Geology and the oil and gas potential of the Ob-Laptev ridge, the largest supra-order positive megastructure in northern Siberia”, Geology and Geophysics – 2022: Science, Production, Innovations. Proc. of the II International Scientific and Practical Conference (Tver, 2022, 144–147) (in Russian).
- Ivanova, S.R., Korneyev, A.A., Loshakova, I.F., Kalamkarov, S.L., “New aspects of tectonics and oil and gas potential of the Rassokhinsky megaswell based on the results of complex seismic exploration and airborne gravity magnetic works”, Proc. of the VII International Geological and Geophysical Conference “GeoEurasia-2024. Geological exploration technologies: science and business I, 173–177 (2024) (in Russian).
- Obukhov, A.N., “Gravity geodynamics in oil and gas exploration”, New ideas in the geology and geochemistry of oil and gas (Moscow: Publishing House of Moscow State University, 2015, 41–46) (in Russian).
- Obukhov, A.N., et al., “On the issue of the rift model of the Yenisei-Khatanga regional trough”, Abstract of a Report at GeoEurasia-2021, 307–311 (2021) (in Russian).
- Obukhov, A.N., Kravchenko, M.N., Ukhlova, G.D., et al., Integrated airborne geophysical (aeromagnetic, airborne gravimetric) survey of the Yenisei-Khatanga trough, the area in the region of the eastern part of the Rassokhinsky megaswell and the southwestern part of the Balakhna megaswell (Moscow, Rosgeolfond, Central repository, No. 546354) (2022) (in Russian).
References
- Afanasenkov, A.P., Lygin, I.V., Obukhov, A.N., Sokolova, T.B., Kuznetsov, K.M., “Volumetric reconstruction of tectonic elements of the Yenisei-Khatanga rift system based on the results of complex geological and geophysical interpretation”, Geophysics 2, 60–68 (2017) (in Russian).
- Afanasenkov, A.P., Obukhov, A.N., Chikishev, A.A., “On the issue of rifting of the Yenisei-Khatanga regional trough”, New Ideas in Oil and Gas Geology-2017 (Moscow: Lomonosov Moscow State University, 2017) (in Russian)
- Afanasenkov, A.P., Obukhov, A.N., Chikishev, A.A., Shaydakov, V.A., Bordyug, A.V., Kalamkarov, S.L., “Tectonics of the northern framing of the Siberian platform based on the results of a comprehensive analysis of geological and geophysical data”, Geology of oil and gas 1, 5–25 (2018) (in Russian).
- Baldin, V.A., Munasypov, N.Z., “Geology and the oil and gas potential of the Ob-Laptev ridge, the largest supra-order positive megastructure in northern Siberia”, Geology and Geophysics – 2022: Science, Production, Innovations. Proc. of the II International Scientific and Practical Conference (Tver, 2022, 144–147) (in Russian).
- Ivanova, S.R., Korneyev, A.A., Loshakova, I.F., Kalamkarov, S.L., “New aspects of tectonics and oil and gas potential of the Rassokhinsky megaswell based on the results of complex seismic exploration and airborne gravity magnetic works”, Proc. of the VII International Geological and Geophysical Conference “GeoEurasia-2024. Geological exploration technologies: science and business I, 173–177 (2024) (in Russian).
- Obukhov, A.N., “Gravity geodynamics in oil and gas exploration”, New ideas in the geology and geochemistry of oil and gas (Moscow: Publishing House of Moscow State University, 2015, 41–46) (in Russian).
- Obukhov, A.N., et al., “On the issue of the rift model of the Yenisei-Khatanga regional trough”, Abstract of a Report at GeoEurasia-2021, 307–311 (2021) (in Russian).
- Obukhov, A.N., Kravchenko, M.N., Ukhlova, G.D., et al., Integrated airborne geophysical (aeromagnetic, airborne gravimetric) survey of the Yenisei-Khatanga trough, the area in the region of the eastern part of the Rassokhinsky megaswell and the southwestern part of the Balakhna megaswell (Moscow, Rosgeolfond, Central repository, No. 546354) (2022) (in Russian).