Abstract
For the first time, the interpretation of the upper part of the sections of common depth point seismic survey of JSC MAGE in the north-western area of the East Siberian Sea in the volume of 8200 km was conducted. 129 local heterogeneities—potential gas deposits were revealed, located with an average distance of 63.6 km along the lines, which is 5.2–6.2 times rarer than in the Chukchi, Laptev and Bering seas. It is established that the study area is characterized by a smaller number of active faults reaching near-bottom sediments compared to the three mentioned seas, which indicates its lower neotectonic activity. In the study area, 123 local depressions in the bottom topography were revealed, associated with ice gouging furrows—plough marks.
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The research was carried out according to the state assignment of the Oil and Gas Research Institute, Russian Academy of Sciences on the topic “Improving the efficiency and environmental safety of the oil and gas resources development in the Arctic and Subarctic zones of the Earth in a changing climate” (no. 122022800264-9).
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Translated by V. Krutikova
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Bogoyavlensky, V.I., Kishankov, A.V. & Kazanin, A.G. Heterogeneities in the Upper Part of the Section of the East Siberian Sea Sedimentary Cover: Gas Accumulations and Signs of Ice Gouging. Dokl. Earth Sc. 505, 411–415 (2022). https://doi.org/10.1134/S1028334X22070042
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DOI: https://doi.org/10.1134/S1028334X22070042