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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">nznistu</journal-id><journal-title-group><journal-title xml:lang="ru">Науки о Земле и недропользование</journal-title><trans-title-group xml:lang="en"><trans-title>Earth sciences and subsoil use</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2686-9993</issn><issn pub-type="epub">2686-7931</issn><publisher><publisher-name>Federal State Budget Educational Institution of Higher Education "Irkutsk National Research Technical University"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.21285/2686-9993-2024-47-4-389-399</article-id><article-id custom-type="edn" pub-id-type="custom">wrzdyu</article-id><article-id custom-type="elpub" pub-id-type="custom">nznistu-373</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>Геофизика</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Geophysics</subject></subj-group></article-categories><title-group><article-title>Применение комплексной маловысотной беспилотной аэрогеофизической съемки для уточнения среднемасштабных геологических карт Бодайбинского синклинория</article-title><trans-title-group xml:lang="en"><trans-title>Using complex low-altitude unmanned aerogeophysical survey to refine medium-scale geological maps of Bodaibo synclinorium</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0008-3888-5779</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Савченко</surname><given-names>В. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Savchenko</surname><given-names>V. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Савченко Валентин Андреевич, инженер-исследователь,институт «Сибирская школа Геонаук»</p></bio><bio xml:lang="en"><p>Valentin A. Savchenko, Research Engineer, Siberian School of Geosciences</p></bio><email xlink:type="simple">vsavchenko@geo.istu.edu</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Иркутский национальный исследовательский технический университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Irkutsk National Research Technical University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>21</day><month>02</month><year>2025</year></pub-date><volume>47</volume><issue>4</issue><fpage>389</fpage><lpage>399</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Савченко В.А., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Савченко В.А.</copyright-holder><copyright-holder xml:lang="en">Savchenko V.A.</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.nznj.ru/jour/article/view/373">https://www.nznj.ru/jour/article/view/373</self-uri><abstract><p>Целью работы являлась демонстрация возможности объективизации и корректировки среднемасштабных (1:200000–1:50000) геологических карт предшественников с помощью наиболее быстрого и доступного метода получения геолого-геофизических данных – маловысотной беспилотной геофизической съемки. Была дана количественная оценка повышения точности фиксации положения геологических границ и потенциально рудовмещающих структур сухоложского типа. На первой стадии геологического изучения площади получены данные маловысотных беспилотных гамма и аэромагнитной съемок. Результаты были подготовлены, проинтерполированы, визуализированы, а затем подвергнуты геолого-геофизической интерпретации. В магнитном поле выделены линеаменты наибольших и наименьших значений, а также наибольших градиентов, в гамма-поле – области наименьшей изменчивости при наименьших значениях и положительные аномалии. В результате интерпретации и перекрестного сопоставления указанных данных (без проведения наземной геологической съемки) составлены новые геологические карты дневной поверхности и дочетвертичных образований, основанные на представлениях о геологии региона и характерных различиях физических свойств горных пород. С учетом региональных стратиграфических и структурных поисковых критериев на изучаемой площади выделено два перспективных на обнаружение золотого оруденения участка. Показано, что известные геологические границы на них смещены относительно   реальных на 100–1400 м (в среднем на 300 м), что является весьма существенной погрешностью как с позиции планирования горных и буровых работ, так и с позиции общего правильного понимания геологической ситуации. Полученные результаты типичны для проектов по поиску месторождений золота в Бодайбинском районе Иркутской области. Итоги исследования позволяют сделать вывод о полезности экспрессной и недорогой методики для уточнения положения геологических и потенциально рудоносных структур изучаемой площади, а также для аналогичных обстановок на близлежащих лицензионных площадях и других участках Бодайбинского синклинория.</p></abstract><trans-abstract xml:lang="en"><p>The purpose of the work is to demonstrate the possibility to clarify and correct medium-scale geological maps of precursors (scale 1:200000–1:50000) using low-altitude unmanned aerial geophysical survey which is the fastest and low cost method of obtaining geological and geophysical data. A quantitative assessment is given to the more accurate identification of the location of geological boundaries and potential ore-bearing structures of the Sukhoi Log type. The first stage of geological study of the area involved obtaining the data from low-altitude unmanned gamma and aeromagnetic surveys. The survey results were prepared, interpolated, visualized, and, finally, subjected to geological and geophysical interpretation. Lineaments of the highest and lowest values, as well as the maximum gradients were identified in the magnetic field while the areas with the least variability at the lowest values and positive anomalies were identified in the gamma field. Interpretation and cross-comparison of the specified data allowed to compile new geological maps of the day surface and pre-Quaternary formations without any ground geological survey but based on the ideas about the geology of the region and characteristic differences in the physical properties of rocks. Taking into account regional stratigraphic and structural search criteria, two sites promising for gold mineralization were identi-fied in the studied area. It is shown that the known geological boundaries in these areas are shifted relative to the real ones by 100–1400 m (on average by 300 m), which is a significant error both in terms of mining and drilling operation planning and general correct understanding of the geological situation. The results obtained are typical for the projects aimed at gold exploration in the Bodaibo District of the Irkutsk region. The results of the study allow to conclude that the express and inexpensive method is useful for the specification of the position of geological and promising ore-bearing structures in the area under investigation, as well as for similar areas in nearby licensed areas and other sites of the Bodaibo synclinorium.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>беспилотная магниторазведка</kwd><kwd>беспилотная гамма-съемка</kwd><kwd>рудное золото</kwd><kwd>сухоложский тип</kwd><kwd>поиски рудных месторождений</kwd><kwd>интерпретация геофизических данных</kwd></kwd-group><kwd-group xml:lang="en"><kwd>unmanned magnetic survey</kwd><kwd>unmanned gamma survey</kwd><kwd>lode gold</kwd><kwd>Sukhoi Log-style deposits</kwd><kwd>prospecting for ore deposits</kwd><kwd>geophysical data interpretation</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Паршин А.В., Будяк А.Е., Блинов А.В., Костерев А.Н., Морозов В.А., Михалев А.О. 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