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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-2025-16-3-0830</article-id><article-id custom-type="edn" pub-id-type="custom">aizyrw</article-id><article-id custom-type="elpub" pub-id-type="custom">gtcrust-2044</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>ИДЕНТИФИКАЦИЯ ОСАДОЧНОГО БАССЕЙНА ЛАМПУНГ (ЮГО-ВОСТОЧНАЯ ЧАСТЬ о. СУМАТРА) С ПОМОЩЬЮ ГРАВИТАЦИОННОГО МОДЕЛИРОВАНИЯ И ИНТЕРПРЕТАЦИИ СЕЙСМИЧЕСКИХ ДАННЫХ</article-title><trans-title-group xml:lang="en"><trans-title>IDENTIFICATION OF LAMPUNG SEDIMENTARY BASIN (SE SUMATRA) USING GRAVITY FORWARD MODELING AND SEISMIC INTERPRETATION</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>Фебриансану</surname><given-names>Д. Р.</given-names></name><name name-style="western" xml:lang="en"><surname>Febriansanu</surname><given-names>D. R.</given-names></name></name-alternatives><bio xml:lang="ru"><p>55111–55792, Джокьяка́рта</p><p>35365, Южный Лампунг</p></bio><bio xml:lang="en"><p>South Lampung 35365</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>Хусейн</surname><given-names>С.</given-names></name><name name-style="western" xml:lang="en"><surname>Husein</surname><given-names>S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>55111–55792, Джокьяка́рта</p></bio><bio xml:lang="en"><p>Salahuddin Husein</p><p> </p></bio><email xlink:type="simple">shddin@ugm.ac.id</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Сурджоно</surname><given-names>С. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Surjono</surname><given-names>S. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>55111–55792, Джокьяка́рта</p></bio><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Университет Гаджа Мада; Суматранский технологический институт</institution><country>Индонезия</country></aff><aff xml:lang="en"><institution>Universitas Gadjah Mada; Sumatra Institute of Technology</institution><country>Indonesia</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Университет Гаджа Мада</institution><country>Индонезия</country></aff><aff xml:lang="en"><institution>Universitas Gadjah Mada</institution><country>Indonesia</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>18</day><month>06</month><year>2025</year></pub-date><volume>16</volume><issue>3</issue><fpage>830</fpage><lpage>830</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Фебриансану Д.Р., Хусейн С., Сурджоно С.С., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Фебриансану Д.Р., Хусейн С., Сурджоно С.С.</copyright-holder><copyright-holder xml:lang="en">Febriansanu D.R., Husein S., Surjono S.S.</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/2044">https://www.gt-crust.ru/jour/article/view/2044</self-uri><abstract><p>Данное исследование направлено на изучение конфигурации осадочного бассейна в провинции Лампунг, находящейся в юго-восточной части о. Суматра. Цель данного исследования состоит в том, чтобы углубить понимание структуры осадочных бассейнов, концентрируясь при этом на выявлении и выделении суббассейнов, выступов фундамента и систем разломов. Для определения глубины залегания осадочных слоев и конфигурации фундамента использовался анализ гравиметрических данных, включая картирование аномалий Буге и спектральный анализ. Сейсмические данные обеспечили возможность проведения непосредственных наблюдений за погребенными отражающими поверхностями, тем самым помогая выявлять разломные структуры и стратиграфическую непрерывность. Интеграция данных обеих групп сделала возможным создание детальной геологической модели бассейна по результатам каротажа скважин LPG-1, LPG-2, и LPG-3.</p><p>В ходе исследования было выявлено семь основных седиментационных суббассейнов, таких как Негара Батин, Менггала, Восточная Менггала, Тербангги, Метро и Котабуми. Согласно результатам моделирования, самым глубоким является суббасейн Тербангги, максимальная глубина которого составляет приблизительно три километра. Присутствие вулканического материала, в частности туфопесчаника и туфобрекчии в отложениях нижней части свиты Лахат и в отложениях свиты Батураджа, было подтверждено скважинными и сейсмическими данными, подчеркивающими взаимодействие между вулканическими и седиментационными процессами в ходе эволюции бассейна. Такой комплексный подход обеспечивает более точное понимание геометрии и структурных особенностей бассейна, позволяя получить ценные сведения о тектонической истории региона.</p><p>Полученные результаты способствуют проведению дальнейших геологических исследований и геологоразведочных работ, демонстрируя эффективность объединения гравиметрических и сейсмических данных при анализе сложных подповерхностных сред.</p></abstract><trans-abstract xml:lang="en"><p>This study investigates the configuration of sedimentary basin in Lampung area, the southeastern part of the Sumatra Island, using integrated gravity and seismic data. This research aims to enhance the understanding of sedimentary basin structures, focusing on the identification and delineation of sub-basins, basement highs, and fault systems. Gravity data analysis, including Bouguer anomaly mapping and spectral analysis, was used to estimate the depth of sedimentary layers and the configuration of the basement. Seismic data provided direct observations of subsurface reflectors, aiding in the identification of fault structures and stratigraphic continuity. The integration of both datasets allowed for the creation of a detailed geological model of the basin, supported by well log data from wells LPG-1, LPG-2, and LPG-3.</p><p>The study identified seven major sedimentary sub-basins, among which are Negara Batin, Menggala, East Menggala, Terbanggi, Metro, and Kotabumi. Forward modeling results indicate that the Terbanggi sub-basin is the deepest, with a maximum depth of approximately 3 kilometers. The presence of volcanic material, particularly tuffaceous sandstone and tuff breccia in the Lower Lahat and Baturaja formations, was confirmed through well and seismic data, highlighting the interaction between volcanic and sedimentary processes in the basin’s evolution. This integrated approach provides a more accurate understanding of the basin’s geometry and structural features, offering valuable insights into the tectonic history of the region.</p><p>The findings contribute to future geological studies and exploration efforts, demonstrating the effectiveness of com­bining gravity and seismic data in analyzing complex subsurface environments.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>Лампунг</kwd><kwd>гравиметрические данные</kwd><kwd>сейсмическая интерпретация</kwd><kwd>конфигурация бассейна</kwd><kwd>моделирование</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Lampung</kwd><kwd>gravity data</kwd><kwd>seismic interpretation</kwd><kwd>basin configuration</kwd><kwd>forward modelling</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Исследование проведено при поддержке Суматринского технологического института в контексте программы докторских стипендий.</funding-statement><funding-statement xml:lang="en">The study was supported by the Sumatra Institute of Technology involving the doctoral degree scholarship scheme. The authors extend their heartfelt gratitude to PUSDATIN, Indonesian Ministry of Energy and Mineral Resources, for providing the seismic and well data for this research. Special thanks to Mr. Purwaditya Nugraha for his insightful discussions and to Dina Nurvaningsih for her technical assistance. Lastly, we are thankful for the constructive feedback from the anonymous reviewers, which significantly enhanced the quality of this manuscript.</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">Aku M.O., 2014. Application of Second Vertical Derivative Analytical Method to Bouguer Data for the Purpose of Delineation of Lithological Boundaries. Science World Journal 9 (3), 27–32.</mixed-citation><mixed-citation xml:lang="en">Aku M.O., 2014. 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