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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">litosphere</journal-id><journal-title-group><journal-title xml:lang="ru">Литосфера</journal-title><trans-title-group xml:lang="en"><trans-title>LITHOSPHERE (Russia)</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1681-9004</issn><issn pub-type="epub">2500-302X</issn><publisher><publisher-name>A.N. Zavaritsky Institute of Geology and Geochemistry</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.24930/1681-9004-2023-23-3-447-465</article-id><article-id custom-type="elpub" pub-id-type="custom">litosphere-1885</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>Articles</subject></subj-group></article-categories><title-group><article-title>Высокоглиноземистые породы Панимбинской и Маяконской площадей Енисейского кряжа: вещественный состав и перспективы получения андалузитовых и кианитовых концентратов</article-title><trans-title-group xml:lang="en"><trans-title>High-alumina rocks from the Panimba and Mayakon areas (Yenisei Ridge): Composition and industrial perspectives</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>Некипелова</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Nekipelova</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>630090, г. Новосибирск, проспект Акададемика Коптюга, 3</p></bio><bio xml:lang="en"><p>3 Academician Koptyug av., Novosibirsk 630090, Russia</p></bio><email xlink:type="simple">nekipelova@igm.nsc.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>Сокол</surname><given-names>Э. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Sokol</surname><given-names>E. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>630090, г. Новосибирск, проспект Акададемика Коптюга, 3</p></bio><bio xml:lang="en"><p>3 Academician Koptyug av., Novosibirsk 630090, Russia</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>Кох</surname><given-names>С. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Kokh</surname><given-names>S. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>630090, г. Новосибирск, проспект Акададемика Коптюга, 3</p></bio><bio xml:lang="en"><p>3 Academician Koptyug av., Novosibirsk 630090, Russia</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>Лиханов</surname><given-names>И. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Likhanov</surname><given-names>I. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>630090, г. Новосибирск, проспект Акададемика Коптюга, 3</p></bio><bio xml:lang="en"><p>3 Academician Koptyug av., Novosibirsk 630090, Russia</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>Хворов</surname><given-names>П. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Khvorov</surname><given-names>P. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>456317, Челябинская обл., г. Миасс, Ильменский заповедник</p></bio><bio xml:lang="en"><p>Ilmeny Reserve Area, Miass, Chelyabinsk region 456317, Russia</p></bio><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт геологии и минералогии им. В.С. Соболева СО РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>V.S. Sobolev Institute of Geology and Mineralogy, SB RAS</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Южно-Уральский федеральный научный центр минералогии и геоэкологии УрО РАН, Институт минералогии</institution><country>Россия</country></aff><aff xml:lang="en"><institution>South Urals Federal Research Center of Mineralogy and Geoecology, UB RAS, Institute of Mineralogy</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>10</day><month>07</month><year>2023</year></pub-date><volume>23</volume><issue>3</issue><fpage>447</fpage><lpage>465</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Некипелова А.В., Сокол Э.В., Кох С.Н., Лиханов И.И., Хворов П.В., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Некипелова А.В., Сокол Э.В., Кох С.Н., Лиханов И.И., Хворов П.В.</copyright-holder><copyright-holder xml:lang="en">Nekipelova A.V., Sokol E.V., Kokh S.N., Likhanov I.I., Khvorov P.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.lithosphere.ru/jour/article/view/1885">https://www.lithosphere.ru/jour/article/view/1885</self-uri><abstract><sec><title>Объект исследования</title><p>Объект исследования. Андалузит- и кианитсодержащие (13–19 мас. % Al2SiO5) породы Тейского метаморфического комплекса (Маяконский и Панимбинский участки), Енисейский кряж.</p></sec><sec><title>Цель исследования</title><p>Цель исследования. Изучение вещественного состава и обогатимости высокоглиноземистых пород Панимбинской и Маяконской площадей.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. Лабораторные эксперименты по обогащению метаморфических пород Тейского комплекса методами электромагнитной и гравитационной сепарации выполнены в ИГМ СО РАН (г. Новосибирск). Концентраты получены из представительных проб андалузитовых, кианитовых и андалузит-кианитовых метапелитовых пород. Породы дробили, измельчали и классифицировали на фракции &lt;0.06, 0.06 ≤ x &lt; 0.1 и 0.1 ≤ x &lt; 0.25 мм. Выделение концентратов производили из размерных фракций ≥0.06 мм. Методами количественного рентгенофазового анализа, РФА, МС-ИСП и СЭМ охарактеризованы фазовый состав, петро- и геохимические особенности исходных пород и продуктов их обогащения.</p></sec><sec><title>Результаты</title><p>Результаты. На первом этапе обогащения с применением электромагнитной сепарации получен магнитный продукт, в котором сконцентрированы ставролит, биотит, хлорит, ильменит, пирротин и пирит. На втором этапе из немагнитных продуктов на центробежном концентраторе с использованием CHBr3 выделены легкие продукты, в которых сконцентрированы кварц, полевые шпаты и мусковит. На последнем этапе с помощью двухножевого сепаратора тяжелый продукт предыдущего этапа обогащения поделен на “магнитный” первичный (52–92 мас. % Al2SiO5) и “немагнитый” финальный (70–97 мас. % Al2SiO5) концентраты. Андалузит-кианитовые концентраты с содержанием до 97 мас. % Al2SiO5 удалось получить c использованием наиболее дешевых и простых методов магнитной и гравитационной сепарации. Выходы андалузит-кианитовых концентратов невысокие (0.7–6%), однако сопоставимы с показателями обогащения кианитовых руд Карелии и Кольского полуострова и провинции Ганьсу, Китай.</p></sec><sec><title>Выводы</title><p>Выводы. Доказана возможность извлечения андалузитового и/или кианитового концентратов высокой чистоты из высокоглиноземистых метапелитов Тейского метаморфического комплекса.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Research subject</title><p>Research subject. Аndalusite- and kyanite-bearing (13–19 wt % Al2SiO5) rocks of the Teya metamorphic complex (Mayakon and Panimba areas), Yenisei Ridge.</p></sec><sec><title>Aim</title><p>Aim. To study the composition and mineral content of high-alumina rocks from the Panimba and Mayakon areas.</p></sec><sec><title>Materials and methods</title><p>Materials and methods. Laboratory mineral processing was employed to estimate the mineral content of metamorphic rocks of the Teya complex using a magnetic and gravity separation at the Institute of Geology and Mineralogy, Siberian Branch of the Russian Academy of Sciences (Novosibirsk). The concentrates were obtained from typical samples of andalusite, kyanite, and andalusite-kyanite metapilites. After crushing and grinding, the rock samples were separated into size fractions &lt;0.06, 0.06 ≤ x &lt; 0.1 and 0.1 ≤ x &lt; 0.25 mm. The concentrates were recovered from size fractions ≥0.06 mm. Phase, bulk rock, and trace element composition of the rock samples, mineral concentrates, and other fractions were analyzed using XRD, XRF, ICP-MS, and SEM.</p></sec><sec><title>Results</title><p>Results. The magnetic product obtained at the first stage of mineral processing using magnetic separation accumalated staurolite, biotite, chlorite, ilmenite, pyrrhotite, and pyrite. At the second stage, light products containing quartz, feldspars, and muscovite were separated from non-magnetic products with CHBr3 using a centrifugal concentrator. At the last stage, using a double-knife separator, the heavy product from the previous beneficiation stage was separated into a “magnetic” raw concentrate (52–92 wt % Al2SiO5) and a “non-magnetic” final (70–97 wt % Al2SiO5) concentrate. The andalusite-kyanite concentrates (up to 97 wt % Al2SiO5) were obtained by the combination of cheapest and simplest methods of magnetic and gravity separation. The concentrates containing andalusite and kyanite with low recovery (0.7–6%) are comparable to the grade of kyanite-bearing ores of Karelia, the Kola Peninsula, and Gansu Province, China.</p></sec><sec><title>Conclusions</title><p>Conclusions. The study shows that high-quality andalusite and/or kyanite concentrates can be recovered from high-alumina metapelites of the Teya metamorphic complex.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>высокоглиноземистое сырье</kwd><kwd>кианит</kwd><kwd>андалузит</kwd><kwd>концентраты</kwd><kwd>обогащение</kwd><kwd>Енисейский кряж</kwd></kwd-group><kwd-group xml:lang="en"><kwd>high-alumina raw materials</kwd><kwd>kyanite</kwd><kwd>andalusite</kwd><kwd>concentrates</kwd><kwd>beneficiation</kwd><kwd>Yenisei Ridge</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Исследование выполнено за счет гранта Российского научного фонда, проект № 21-77-20018. Авторы выражают искреннюю благодарность д.г.-м.н. П.С. Козлову (ИГГ УрО РАН, г. Екатеринбург) за сбор коллекции представительных образцов и консультирование, а также И.Ю. Васьковой и Ю.В. Дёминой (ИГМ СО РАН, г. Новосибирск) за проведение лабораторных экспериментов по обогащению высокоглиноземистых пород. Авторы глубоко признательны анонимным рецензентам за ценные предложения по модернизации рукописи.</funding-statement><funding-statement xml:lang="en">This research was funded by Russian Science Foundation (RSF), grant No. 21-77-20018. We would like to thank Dr. P.S. Kozlov (IGG UB RAS, Ekaterinburg) for collecting a representative samples and consulting, as well as I.Yu. Vaskova and Yu.V. Demina (IGM SB RAS, Novosibirsk) for laboratory experiments on beneficiation of high-alumina rocks. The manuscript profited from valuable suggestions and criticism by anonymous reviewers.</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">Войтеховский Ю.Л., Нерадовский Ю.Н., Гришин Н.Н., Гершенкоп А.Ш. (2011) Комплексное использование кианита Больших Кейв в качестве нетрадиционного сырья для производства алюминия. 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