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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">gtcrust</journal-id><journal-title-group><journal-title xml:lang="ru">Геодинамика и тектонофизика</journal-title><trans-title-group xml:lang="en"><trans-title>Geodynamics &amp; Tectonophysics</trans-title></trans-title-group></journal-title-group><issn pub-type="epub">2078-502X</issn><publisher><publisher-name>Institute of the Earth's crust of the Russian Academy of Sciences, Siberian Branch</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.5800/GT-2024-15-1-0739</article-id><article-id custom-type="edn" pub-id-type="custom">ODTPEK</article-id><article-id custom-type="elpub" pub-id-type="custom">gtcrust-1791</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>СОВРЕМЕННАЯ ГЕОДИНАМИКА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>RECENT GEODYNAMICS</subject></subj-group></article-categories><title-group><article-title>ГРЯЗЕВОЙ ВУЛКАН «НОВОСИБИРСК» И СВИДЕТЕЛЬСТВА ЕГО АКТИВИЗАЦИЙ (оз. БАЙКАЛ)</article-title><trans-title-group xml:lang="en"><trans-title>"NOVOSIBIRSK" MUD VOLCANO AND EVIDENCE OF ITS ACTIVATIONS (LAKE BAIKAL)</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6128-708X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Хлыстов</surname><given-names>О. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Khlystov</surname><given-names>О. М.</given-names></name></name-alternatives><bio xml:lang="ru"><p>664033, Иркутск, ул. Улан-Баторская, 3</p></bio><bio xml:lang="en"><p>3 Ulan-Batorskaya St, Irkutsk 664033</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-3656-791X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Хабуев</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Khabuev</surname><given-names>А. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>664033, Иркутск, ул. Улан-Баторская, 3</p></bio><bio xml:lang="en"><p>3 Ulan-Batorskaya St, Irkutsk 664033</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Лимнологический институт СО РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Limnological Institute, Siberian Branch of the Russian Academy of Sciences</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>16</day><month>02</month><year>2024</year></pub-date><volume>15</volume><issue>1</issue><fpage>739</fpage><lpage>739</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Хлыстов О.М., Хабуев А.В., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Хлыстов О.М., Хабуев А.В.</copyright-holder><copyright-holder xml:lang="en">Khlystov О.М., Khabuev А.V.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://www.gt-crust.ru/jour/article/view/1791">https://www.gt-crust.ru/jour/article/view/1791</self-uri><abstract><p>Комплексное изучение грязевых вулканов в Мировом океане имеет важное значение для оценки потенциальных геолого-экологических катастроф, связанных с быстрой разгрузкой большого объема газа в водную толщу и излиянием грязевулканических масс на дне. Изучение активности грязевого вулканизма в прошлом и определение ее периодичности являются пионерными исследованиями на Байкале. Наибольшее количество грязевых вулканов и других гидратоносных структур сосредоточено в Средней котловине озера вдоль тектонических нарушений. Наиболее представителен из них разлом Гидратный, вдоль которого из шести структур четыре являются грязевыми вулканами. Комплексное геолого-геофизическое исследование (сейсмическое, гидроакустическое зондирование и геологическое опробование) самого крупного и хорошо выраженного в рельефе дна озера грязевого вулкана «Новосибирск» подтвердило идентичность его строения с классическими морскими грязевыми вулканами. Он обладает всеми основными элементами других одиночных гидратоносных грязевых вулканов озера, к которым относится конус вулкана в рельефе дна, вертикальный акустически «немой» подводящий канал, грязевулканическая брекчия, газонасыщенность и газовые гидраты. Это делает его одной из опорных гидратоносных структур грязевулканического типа оз. Байкал.</p><p>Анализ данных гидроакустического профилирования дна выявил свидетельства извержений грязевого вулкана в конце плейстоцена в виде двух слоев-потоков на поддонной глубине 15 и 25 м (30 и 50 тыс. лет назад соответственно). Наличие грязевулканической брекчии под маломощными голоценовыми диатомовыми илами свидетельствует об активизации грязевого вулкана в голоцене в ходе поступления теплого флюида с глубин к корням вулкана вдоль активного сегмента тектонического нарушения согласно модели байкальского типа грязевого вулканизма. На примере грязевого вулкана «Новосибирск» и разлома Гидратный показано, что для установления активности тектонических систем Байкальской впадины в прошлом можно использовать знания о строении и эволюции грязевых вулканов озера.</p><p> </p></abstract><trans-abstract xml:lang="en"><p>An integrated study of mud volcanoes in the World Ocean is important for making assessment of potential geological-ecological disasters caused by rapid large-volume gas discharge into the water column and mud volcano eruptions at the bottom. The study of mud-volcanic activity in the past and determination of its periodicity are pioneering for the Baikal. The mud volcanoes and other hydrate-bearing structures are largely concentrated in the Middle Baikal basin along the tectonic faults. The most representative example of these phenomena is the "Gydratny" fault, four of six structures along which are mud volcanoes. An integrated geological-geophysical study (seismoacoustic and hydroacoustic sounding and geological sampling) of the "Novosibirsk" mud volcano, the largest and well-pronounced feature of the lake bottom relief, confirmed its structural identity with classical submarine mud volcanoes. The "Novosibirsk" mud volcano possesses all major elements of other single hydrate-bearing mud volcanoes of the lake which include volcanic cone in the bottom relief, vertical acoustically not transparent feeding channel, mud-volcanic breccia, gas saturation, and gas hydrates. This makes it one of the reference hydrate-bearing mud volcanic-type structures of Lake Baikal.</p><p>The analysis of the bottom hydroacoustic profiling yielded evidence of the Late Pleistocene mud-volcanic eruptions shaped as two layers-flows at sub-bottom depths of 15 and 26 m (30 and 50 kyr ago, respectively). The presence of mud-volcanic breccia beneath the thin Holocene diatomic silt deposits testifies to the Holocene mud volcano activation due to the warm fluid rising from the depths to the volcano roots along the active segment of the tectonic fault in accordance with the model of the "Baikal-type" mud volcanism. Using the "Novosibirsk" mud volcano and the "Gydratny" fault as an example, it can be shown that the past tectonic activity of the Baikal basin may be determined based on the knowledge of the structure and evolution of the mud volcanoes of the lake.</p><p> </p></trans-abstract><kwd-group xml:lang="ru"><kwd>грязевой вулкан</kwd><kwd>донные осадки</kwd><kwd>батиметрия</kwd><kwd>гидролокатор бокового обзора</kwd><kwd>сейсмическое профилирование</kwd><kwd>разлом</kwd><kwd>оз. Байкал</kwd></kwd-group><kwd-group xml:lang="en"><kwd>mud volcano</kwd><kwd>bottom sediment</kwd><kwd>bathymetry</kwd><kwd>side-scan sonar</kwd><kwd>single-channel seismic survey</kwd><kwd>fault</kwd><kwd>Lake Baikal</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена в рамках госзадания Лимнологического института СО РАН (0279-2021-0006).</funding-statement><funding-statement xml:lang="en">The study was done as part of the state assignment of the Limnological Institute SB RAS (0279-2021- 0006).</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Алиев А.И. Грязевые вулканы – очаги периодической газогидродинамической разгрузки быстропогружающихся осадочных бассейнов и важные критерии прогноза газоносности больших глубин // Геология нефти и газа. 2006. № 5. 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