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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">geores</journal-id><journal-title-group><journal-title xml:lang="ru">Георесурсы</journal-title><trans-title-group xml:lang="en"><trans-title>Georesources</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1608-5043</issn><issn pub-type="epub">1608-5078</issn><publisher><publisher-name>Georesursy LLC</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.18599/grs.2023.4.3</article-id><article-id custom-type="elpub" pub-id-type="custom">geores-7</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>СТАТЬИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>RESEARCH ARTICLES</subject></subj-group></article-categories><title-group><article-title>Геохимические характеристики органического вещества донных отложений северной части Баренцева моря как индикатор миграции углеводородов из недр</article-title><trans-title-group xml:lang="en"><trans-title>Organic matter geochemical characteristics of bottom sediments of the northern Barents Sea as an indicator of hydrocarbon migration from deep source</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Сигачева</surname><given-names>Л. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Sigacheva</surname><given-names>L. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Любовь Юрьевна Сигачева – магистр кафедры геологии и геохимии горючих ископаемых</p><p>119234, Москва, ул. Ленинские горы, д. 1</p></bio><bio xml:lang="en"><p>Lyubov Yu. Sigacheva – Master, Petroleum Geology Department</p><p>1, Leninskie gory, Moscow, 119234</p></bio><email xlink:type="simple">sigacheva_l@list.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Видищева</surname><given-names>О. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Vidishcheva</surname><given-names>O. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Олеся Николаевна Видищева – кандидат геол.-минерал. наук, ведущий инженер кафедры геологии и геохимии горючих ископаемых</p><p>119234, Москва, ул. Ленинские горы, д. 1</p></bio><bio xml:lang="en"><p>Olesya N. Vidishcheva – Cand Sci. (Geology and Mineralogy), Lead Engineer, Petroleum Geology Department</p><p>1, Leninskie gory, Moscow, 119234</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Калмыков</surname><given-names>А. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Kalmykov</surname><given-names>A. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Антон Георгиевич Калмыков – кандидат хим. наук,старший научный сотрудник кафедры геологии и геохимии горючих ископаемых</p><p>119234, Москва, ул. Ленинские горы, д. 1</p></bio><bio xml:lang="en"><p>Anton G. Kalmykov – Cand Sci. (Chemistry), Senior Researcher, Petroleum Geology Department</p><p>1, Leninskie gory, Moscow, 119234</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Полудеткина</surname><given-names>Е. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Poludetkina</surname><given-names>E. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Елена Николаевна Полудеткина – кандидат геол.-минерал. наук, старший научный сотрудник кафедры геологии и геохимии горючих ископаемых</p><p>119234, Москва, ул. Ленинские горы, д. 1</p></bio><bio xml:lang="en"><p>Elena N. Poludetkina – Cand Sci. (Geology and Mineralogy), Senior Researcher, Petroleum Geology Department</p><p>1, Leninskie gory, Moscow, 119234</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ахманов</surname><given-names>Г. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Akhmanov</surname><given-names>G. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Григорий Георгиевич Ахманов – кандидат геол.-минерал. наук, доцент кафедры геологии и геохимии горючих ископаемых</p><p>119234, Москва, ул. Ленинские горы, д. 1</p></bio><bio xml:lang="en"><p>Grigorii G. Akhmanov – Cand Sci. (Geology and Mineralogy); Associate Professor, Petroleum Geology Department</p><p>1, Leninskie gory, Moscow, 119234</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Московский государственный университет им. М.В. Ломоносова</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Lomonosov Moscow State University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>28</day><month>03</month><year>2024</year></pub-date><volume>25</volume><issue>4</issue><fpage>42</fpage><lpage>57</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Сигачева Л.Ю., Видищева О.Н., Калмыков А.Г., Полудеткина Е.Н., Ахманов Г.Г., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Сигачева Л.Ю., Видищева О.Н., Калмыков А.Г., Полудеткина Е.Н., Ахманов Г.Г.</copyright-holder><copyright-holder xml:lang="en">Sigacheva L.Y., Vidishcheva O.N., Kalmykov A.G., Poludetkina E.N., Akhmanov G.G.</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.geors.ru/jour/article/view/7">https://www.geors.ru/jour/article/view/7</self-uri><abstract><p>Проведено исследование группового и молекулярного составов органического вещества донных осадков северного сектора Баренцева моря. Выявлены районы, где углеводородный молекулярный состав органического вещества донных отложений имеет сходство с нефтяным. Термически зрелые углеводородные соединения в отложениях области исследований, скорее всего, имеют миграционную природу, что может свидетельствовать о наличии процессов флюидоразгрузки из глубокопогруженных частей осадочного разреза. На основании сравнительного анализа молекулярного состава углеводородных соединений донных отложений и из пород ближайшего к району исследований берегового обрамления выдвинуто предположение о том, что источником миграционного органического вещества в современных осадках являются глубокопогруженные среднетриасовые глинистые отложения.</p></abstract><trans-abstract xml:lang="en"><p>Group and molecular compositions of organic matter from bottom sediments of the northern sector of the Barents Sea were analysed. The sites where bottom sediments contain organic matter of molecular composition similar to that of oil are identified. Thermally mature hydrocarbon compounds detected in extracts from sediment samples indicates ongoing migration from deeply buried strata and fluid discharge processes on seafloor within the studied areas. Molecular compositions of extracts from bottom sediments were compared with and showed geochemical characteristics similar to some series described for the closest onshore to the study areas. That allows an assumption that the source for migrated hydrocarbons identified in studied bottom sediments can be Mid-Triassic organic-rich claystone intervals which are a part of sedimentary succession of the North Barents deep depression.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>Арктический шельф</kwd><kwd>Баренцево море</kwd><kwd>донные осадки</kwd><kwd>органическое вещество</kwd><kwd>флюидо-разгрузка</kwd><kwd>углеводороды-биомаркеры</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Arctic shelf</kwd><kwd>the Barents Sea</kwd><kwd>bottom sediments</kwd><kwd>organic matter</kwd><kwd>fluid discharge</kwd><kwd>hydrocarbon-biomarkers</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Авторы выражают признательность Министерству науки и высшего образования Российской Федерации за финансирование судового времени экспедиции TTR-20 по программе «Обучение-через-исследования». Часть исследований выполнена за счет гранта Российского научного фонда (проект № 23-27-00293).</funding-statement><funding-statement xml:lang="en">The authors express their gratitude to the Russian Ministry of Higher Education and Science for financing the ship time of the TTR-20 expedition of the “Training-through-research” program. This work has been partly supported by a grant from the Russian Science Foundation (project no. 23-27-00293).</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">Баренцевская шельфовая плита (1988). Ред. И.С. Грамберг. Ленинград: Недра, 264 c.</mixed-citation><mixed-citation xml:lang="en">Andreassen K., Hubbard A., Winsborrow M., Patton H., Vadakkepuliyambatta S., Plaza-Faverola A., Gudlaugsson E., Serov P., Deryabin A., Mattingsdal R., Mienert J., Bünz S. (2017). 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