M.N. Shaporina, E.V. Mosyagin, O.G. Sadur, V.N. Bespechnyi

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Geological and geophysical structural features of Predverkhoyansky Foreland Basin and neighbouring areas: data from new along-river 2D CDP seismic survey line and reinterpretation of legacy data

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DOI 10.31087/0016-7894-2021-5-55-73

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The paper presents geological model of the Lensky branch of Predverkhoyansky Foreland Basin and zone of its joint with the Vilyuisky hemisyneclise. The latest seismic data integrated with unconventional processing of gravity and magnetic fields allowed updating architecture of the eastern margin of the Anabarsky Syneclise, Predverkhoyansky Foreland Basin, and eastern part of the Vilyuisky, as well as the Kyutingdinsky graben and the Kitchansky anticline. Geoseismic section along the Lena River profile was presented for the first time, which crosses the zone of Anabarsky Anteclise, Predverkhoyansky Foreland Basin, and Vilyuisky hemisyneclise joint.

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Key words: Predverkhoyansky Foreland Basin; Vverkhoyansky fold-and-thrust belt; Kyutingdinsky graben; seismic exploration; along-river seismic survey line; gravimetry; magnetometry; geological model; structural and tectonic map.

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For citation: Shaporina M.N., Mosyagin E.V., Sadur O.G., Bespechnyi V.N. Geological and geophysical structural features of Predverkhoyansky Foreland Basin and neighbouring areas: data from new along-river 2D CDP seismic survey line and reinterpretation of legacy data. Geologiya nefti i gaza. 2021;(5):55–73. DOI: 10.31087/0016-7894-2021-5-55-73. In Russ.

 

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Mariya N. Shaporina   iD
Candidate of Geological and Mineralogical Sciences, Leading Geologist
SNIIGGiMS,
67, Krasnyi prospekt, Novosibirsk, 630091, Russia
e-mail: shaporina@sniiggims.ru
 

Evgenii V. Mosyagin   iD
Head of Department
SNIIGGiMS,
67, Krasnyi prospekt, Novosibirsk, 630091, Russia
e-mail: mosyagin@sniiggims.ru
 

Oleg G. Sadur
Candidate of Geological and Mineralogical Sciences,
Senior Researcher
SNIIGGiMS,
67, Krasnyi prospekt, Novosibirsk, 630091, Russia
e-mail: sadur.oleg@sniiggims.ru
 

Vladimir N. Bespechnyi
Director of Division
SNIIGGiMS,
67, Krasnyi prospekt, Novosibirsk, 630091, Russia
e-mail: bespechnyy@sniiggims.ru