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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">vfuzeml</journal-id><journal-title-group><journal-title xml:lang="ru">Вестник Северо-Восточного федерального университета им. М.К. Аммосова. Vestnik of North-Eastern Federal University. Серия «Науки о Земле». Earth Sciences</journal-title><trans-title-group xml:lang="en"><trans-title>Vestnik of North-Eastern Federal University Series "Earth Sciences"</trans-title></trans-title-group></journal-title-group><issn pub-type="epub">2587-8751</issn><publisher><publisher-name>Северо-Восточный федеральный университет имени М.К.Аммосова</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.25587/2587-8751-2024-4-11-32</article-id><article-id custom-type="elpub" pub-id-type="custom">vfuzeml-289</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>ГЕОЛОГИЯ, ПОИСКИ И РАЗВЕДКА ТВЕРДЫХ ПОЛЕЗНЫХ ИСКОПАЕМЫХ,  МИНЕРАГЕНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>GEOLOGY, PROSPECTING AND EXPLORATION  OF SOLID MINERALS, MINERALOGY</subject></subj-group></article-categories><title-group><article-title>Петрографический и петро-геохимический составы мезозойских (?) магматических пород Половинкинской впадины (Алдано-Становой щит)</article-title><trans-title-group xml:lang="en"><trans-title>Petrographic and petro-geochemical compositions of Mesozoic (?) igneous rocks of the Polovinkinskaya depression (Aldan-Stanovoy shield)</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5485-3127</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Иванов</surname><given-names>А. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Ivanov</surname><given-names>A. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Иванов Алексей Иванович – к.г.-м.н., с.н.с.</p><p>ResearcherID: JBR-7954-2023</p><p>Scopus Author ID: 57674640500</p><p>РИНЦ AuthorID: 176449</p></bio><bio xml:lang="en"><p>Ivanov Alexey I. – Candidate of Geological and Mineralogical Sciences, Senior Researcher</p><p>ResearcherID: JBR-7954-2023</p><p>Scopus Author ID: 57674640500</p><p>RSCI AuthorID: 176449</p><p>Yakutsk</p></bio><email xlink:type="simple">aiivanov@diamond.ysn.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7491-1067</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Лоскутов</surname><given-names>Е. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Loskutov</surname><given-names>E. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Лоскутов Евгений Евгеньевич – к.г.-м.н., с.н.с.</p><p>ResearcherID: AAO-4823-2021</p><p>Scopus Author ID: 57205150102</p><p>РИНЦ AuthorID: 729281</p></bio><bio xml:lang="en"><p>Loskutov Evgeniy E. – Candidate of Geological and Mineralogical Sciences, Senior Researcher</p><p>ResearcherID: AAO-4823-2021</p><p>Scopus Author ID: 57205150102</p><p>RSCI AuthorID: 729281</p><p>Yakutsk</p></bio><email xlink:type="simple">Loskutov@diamond.ysn.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0115-5146</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Журавлев</surname><given-names>А. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Zhuravlev</surname><given-names>A. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Журавлев Анатолий Иванович – м.н.с.</p><p>ResearcherID: AAC-6095-2019</p><p>Scopus Author ID: 57200217371</p><p>РИНЦ AuthorID: 857832</p></bio><bio xml:lang="en"><p>Zhuravlev Anatolii I. – Junior Researcher</p><p>ResearcherID: AAC-6095-2019</p><p>Scopus Author ID: 57200217371</p><p>RINC AuthorID: 857832</p><p>Yakutsk</p></bio><email xlink:type="simple">ai.zhuravlevgeo@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-0204-1653</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Иванов</surname><given-names>М. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Ivanov</surname><given-names>M. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Иванов Мичил Спартакович – м.н.с.</p><p>ResearcherID: AAL-7447-2021</p><p>Scopus Author ID: 57212410522</p><p>РИНЦ AuthorID: 1050170</p></bio><bio xml:lang="en"><p>Ivanov Michil S. – Junior Researcher</p><p>ResearcherID: AAL-7447-2021</p><p>Scopus Author ID: 57212410522</p><p>RSCI AuthorID: 1050170</p><p>Yakutsk</p></bio><email xlink:type="simple">ivanov.michil@bk.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-9767-6610</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кравченко</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Kravchenko</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кравченко Александр Александрович – к.г.-м.н., с.н.с.</p><p>Scopus Author ID: 15750892800</p><p>РИНЦ AuthorID: 152465</p></bio><bio xml:lang="en"><p>Kravchenko Alexander A. – Candidate of Geological and Mineralogical Sciences, Senior Researcher</p><p>Scopus Author ID: 15750892800</p><p>РИНЦ AuthorID: 152465</p><p>Yakutsk</p></bio><email xlink:type="simple">reshrock@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт геологии алмаза и благородных металлов СО РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Diamond and precious metal geology institute SB RAS</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>27</day><month>12</month><year>2024</year></pub-date><volume>0</volume><issue>4</issue><fpage>11</fpage><lpage>32</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Иванов А.И., Лоскутов Е.Е., Журавлев А.И., Иванов М.С., Кравченко А.А., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Иванов А.И., Лоскутов Е.Е., Журавлев А.И., Иванов М.С., Кравченко А.А.</copyright-holder><copyright-holder xml:lang="en">Ivanov A.I., Loskutov E.E., Zhuravlev A.I., Ivanov M.S., Kravchenko A.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.vnzsvfu.ru/jour/article/view/289">https://www.vnzsvfu.ru/jour/article/view/289</self-uri><abstract><p>Рассмотрены особенности петрографического и геохимического составов мезозойских магматических пород Половинкинской впадины из скважин К1, К2, К3, расположенной в пределах центральной части Алдано-Станового щита, на границе Тындинского и Нимнырского террейнов в пределах Амгинской зоны тектонического меланжа. По взаимоотношению пород, а также по особенностям петрографического состава предполагается следующая последовательность внедрения и образования: 1) габбро; 2) роговообманково-авгитовые андезиты, что подтверждается значениями и вариациями петрохимического состава. По петрохимическим и геохимическим характеристикам габбро близки толеитовой серии. Андезиты относятся к известково-щелочной петрохимической серии, латитам шошонитового типа. Присутствие таких пород как габбро и андезиты, характерно для зрелых островных дуг и активных континентальных окраин, что не противоречит имеющимся представлениям предшественников. Схожими по геологическому строению объектами, являются продуктивные на золото габбро-тоналит-гранодиоритгранитные (ГТГГ) массивы Урала, представляющие собой надсубдукционные образования на активной континентальной окраине андийского типа. Наличие пород ГТГГ формации в пределах Половинкинской впадины служит благоприятным фактором благородно-метальных рудогенерирующих процессов.</p></abstract><trans-abstract xml:lang="en"><p>The article considers the features of the petrographic and geochemical compositions of the Mesozoic igneous rocks of the Polovinkinskaya depression from earth bores K1, K2, K3, located within the central part of the Aldan-Stanovoy shield, on the boundary of the Tynda and Nimnyr terranes within the Amginskaya zone of tectonic mélange. Based on the relationship of rocks, as well as on the features of the petrographic composition, the following sequence of introduction and formation is assumed: 1) gabbro; 2) hornblende-augite andesites. This is conﬁrmed by the values and variations of the petrochemical composition. According to the petrochemical and geochemical characteristics, gabbros are close to the tholeiitic series. Andesites belong to the calc-alkaline petrochemical series, latites of the shoshonite type. The presence of such rocks as gabbro and andesites is typical for mature island arcs and active continental margins, which does not contradict the existing ideas of predecessors. Similar in geological structure objects are gold-producing gabbro-tonalite-granodiorite-granite (GTGG) massifs of the Urals, which are supra-subduction formations on the active continental margin of the Andean type. The presence of rocks of the GTGG formation within the Polovinkinskaya depression serves as a favorable factor for noble-metal ore-generating processes.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>Алдано-Становой щит</kwd><kwd>Половинкинская впадина</kwd><kwd>габбро</kwd><kwd>роговообманково-авгитовые андезиты</kwd><kwd>петрохимия</kwd><kwd>геохимия</kwd><kwd>толеиты</kwd><kwd>шошониты</kwd><kwd>мантийный источник</kwd><kwd>континентальная кора</kwd><kwd>вулканические дуги</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Aldan-Stanovoy shield</kwd><kwd>Polovinkinskaya depression</kwd><kwd>gabbro</kwd><kwd>hornblende-augite andesites</kwd><kwd>petrochemistry</kwd><kwd>geochemistry</kwd><kwd>tholeiites</kwd><kwd>shoshonites</kwd><kwd>mantle source</kwd><kwd>continental crust</kwd><kwd>volcanic arcs</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">Молчанов, А. В. 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(in Russian)</mixed-citation></citation-alternatives></ref></ref-list><fn-group><fn fn-type="conflict"><p>The authors declare that there are no conflicts of interest present.</p></fn></fn-group></back></article>
