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    <journal-meta>
      <journal-id journal-id-type="issn">2411-3336</journal-id>
      <journal-id journal-id-type="eissn">2541-9404</journal-id>
      <journal-title-group>
        <journal-title xml:lang="ru">Записки Горного института</journal-title>
        <journal-title xml:lang="en">Journal of Mining Institute</journal-title>
      </journal-title-group>
      <publisher>
        <publisher-name xml:lang="ru">Санкт-Петербургский горный университет императрицы Екатерины ΙΙ</publisher-name>
        <publisher-name xml:lang="en">Empress Catherine II Saint Petersburg Mining University</publisher-name>
      </publisher>
    </journal-meta>
    <article-meta>
      <article-id custom-type="edn" pub-id-type="custom">CLAFSR</article-id>
      <article-id custom-type="pmi" pub-id-type="custom">pmi-16088</article-id>
      <article-id pub-id-type="uri">https://pmi.spmi.ru/pmi/article/view/16088</article-id>
      <article-categories>
        <subj-group subj-group-type="section-heading" xml:lang="ru">
          <subject>Геология</subject>
        </subj-group>
        <subj-group subj-group-type="section-heading" xml:lang="en">
          <subject>Geology</subject>
        </subj-group>
      </article-categories>
      <title-group>
        <article-title xml:lang="en">Garnetites from Marun-Keu eclogite complex (Polar Urals):  geochemistry and the problem of genesis</article-title>
        <trans-title-group xml:lang="ru">
          <trans-title>Гранатиты из эклогитового комплекса Марун-Кеу (Полярный Урал):  геохимия и проблемы образования</trans-title>
        </trans-title-group>
      </title-group>
      <contrib-group>
        <contrib contrib-type="author" corresp="yes">
          <name name-style="eastern">
            <surname>Salimgaraeva</surname>
            <given-names>Laysan I.</given-names>
          </name>
          <name-alternatives>
            <name name-style="eastern" xml:lang="ru">
              <surname>Салимгараева</surname>
              <given-names>Л. И.</given-names>
            </name>
            <name name-style="western" xml:lang="en">
              <surname>Salimgaraeva</surname>
              <given-names>Laysan I.</given-names>
            </name>
          </name-alternatives>
          <email>fluoritecaf2@mail.ru</email>
          <contrib-id contrib-id-type="orcid">0000-0002-3285-847X</contrib-id>
          <xref ref-type="aff" rid="aff1"/>
        </contrib>
        <aff-alternatives id="aff1">
          <aff>
            <institution xml:lang="ru">Институт геологии и геохронологии докембрия РАН (Санкт-Петербург, Россия)</institution>
          </aff>
          <aff>
            <institution xml:lang="en">Institute of Precambrian Geology and Geochronology RAS (Saint Petersburg, Russia)</institution>
          </aff>
        </aff-alternatives>
        <contrib contrib-type="author">
          <name name-style="eastern">
            <surname>Berezin</surname>
            <given-names>Alexei V.</given-names>
          </name>
          <name-alternatives>
            <name name-style="eastern" xml:lang="ru">
              <surname>Березин</surname>
              <given-names>А. В.</given-names>
            </name>
            <name name-style="western" xml:lang="en">
              <surname>Berezin</surname>
              <given-names>Alexei V.</given-names>
            </name>
          </name-alternatives>
          <email>berezin-geo@yandex.ru</email>
          <contrib-id contrib-id-type="orcid">0000-0002-5324-5840</contrib-id>
          <xref ref-type="aff" rid="aff2"/>
        </contrib>
        <aff-alternatives id="aff2">
          <aff>
            <institution xml:lang="ru">Институт геологии и геохронологии докембрия РАН (Санкт-Петербург, Россия)</institution>
          </aff>
          <aff>
            <institution xml:lang="en">Institute of Precambrian Geology and Geochronology RAS (Saint Petersburg, Russia)</institution>
          </aff>
        </aff-alternatives>
      </contrib-group>
      <pub-date pub-type="epub" iso-8601-date="2023-06-26">
        <day>26</day>
        <month>06</month>
        <year>2023</year>
      </pub-date>
      <pub-date date-type="collection">
        <year>2023</year>
      </pub-date>
      <volume>262</volume>
      <fpage>509</fpage>
      <lpage>525</lpage>
      <history>
        <date date-type="received" iso-8601-date="2022-12-03">
          <day>03</day>
          <month>12</month>
          <year>2022</year>
        </date>
        <date date-type="accepted" iso-8601-date="2023-02-03">
          <day>03</day>
          <month>02</month>
          <year>2023</year>
        </date>
        <date date-type="rev-recd" iso-8601-date="2023-08-28">
          <day>28</day>
          <month>08</month>
          <year>2023</year>
        </date>
      </history>
      <permissions>
        <copyright-statement xml:lang="ru">© 2023 Л. И. Салимгараева, А. В. Березин</copyright-statement>
        <copyright-statement xml:lang="en">© 2023 Laysan I. Salimgaraeva, Alexei V. Berezin</copyright-statement>
        <copyright-year>2023</copyright-year>
        <copyright-holder xml:lang="ru">Л. И. Салимгараева, А. В. Березин</copyright-holder>
        <copyright-holder xml:lang="en">Laysan I. Salimgaraeva, Alexei V. Berezin</copyright-holder>
        <license license-type="open-access" xlink:href="http://creativecommons.org/licenses/by/4.0" xml:lang="ru">
          <license-p>Эта статья доступна по лицензии Creative Commons Attribution 4.0 International (CC BY 4.0)</license-p>
        </license>
        <license license-type="open-access" xlink:href="http://creativecommons.org/licenses/by/4.0" xml:lang="en">
          <license-p>This article is licensed under a Creative Commons Attribution 4.0 International License (CC BY 4.0)</license-p>
        </license>
      </permissions>
      <self-uri xlink:type="simple" xlink:href="https://pmi.spmi.ru/pmi/article/view/16088">https://pmi.spmi.ru/pmi/article/view/16088</self-uri>
      <abstract xml:lang="ru">
        <p>Приведена комплексная минералого-геохимическая характеристика (XRF, ICP-MS, SEM-EDS, SIMS методы) гранатитов и их протолитов из комплекса Марун-Кеу (Полярный Урал) – одного из ключевых объектов в понимании истории развития Уральского орогена. Установлено, что ультраосновные (в большинстве случаев) и основные породы являются протолитами, по которым развиваются гранатиты. Общая тенденция для гранатитов – рост суммарного содержания REE по сравнению с протолитами. Все проанализированные гранатиты демонстрируют существенное падение Cr, Ni и Co. Содержание V в гранатитах также уменьшается относительно протолитов, но менее масштабно. В целом гранаты из гранатитов, развивающихся по перидотитам, характеризуются резко повышенным (относительно гранатов из гранатитов, развивающихся по основным породам – порфиритам) содержанием Prp минала и пониженным – Alm минала, что, вероятнее всего, определяется магнезиальностью протолита. В гранатитах по перидотитам установлен гранат с нетипичным недифференцированным спектром REE со значительной положительной Eu-аномалией, который может быть объяснен эффектом наследования гранатом спектра REE от минерала-предшественника, в данном случае плагиоклаза. Наблюдаемые на исследованном участке Слюдяная Горка гранатиты, вероятно, образовались из основных и ультраосновных пород океанической коры в процессе их выведения на более верхние уровни разреза при воздействии корового флюида, проникающего по зонам трещиноватости.</p>
      </abstract>
      <abstract xml:lang="en">
        <p>A comprehensive mineralogical and geochemical characterization (XRF, ICP-MS, SEM-EDS, SIMS methods) of garnetites and their protoliths from the Marun-Keu complex (Polar Urals), one of the key objects in understanding the evolution of the Uralian Orogen, is presented. Garnetites and their protoliths from the Marun-Keu complex, Polar Urals, a key locality for understanding the evolution of the Uralian Orogen, are described mineralogically and geochemically using XRF, ICP-MS, SEM-EDS and SIMS methods. Ultramafic (in most cases) and mafic rocks are understood as protoliths for garnetites. A general trend for garnetites is an increase in total REE concentration relative to that of their protoliths. All the analyzed garnetites display a considerable decrease in Cr, Ni and Co. V concentration in the garnetites is also lower than that of the protoliths, though not so markedly. Garnets from garnetites evolving after peridotites generally exhibit elevated (relative to garnets from garnetites evolving after mafic rocks, such as porphyrites) Prp and lowered Alm content, which seems to be due to high Mg concentration in the protolith. In garnetites after peridotites a garnet exhibiting an uncommon non-differentiated REE spectrum with a considerable positive Eu-anomaly was found, which could be due to the inheritance of a REE spectrum by garnet from a precursor mineral, in this case plagioclase. Slyudyanaya Gorka garnetites were probably formed from mafic and ultramafic rocks in oceanic crust, which migrated to higher levels of the section under the influence of the crustal fluid flowing along fracturing zones.</p>
      </abstract>
      <kwd-group xml:lang="ru">
        <title>Ключевые слова</title>
        <kwd>гранатиты</kwd>
        <kwd>эклогиты</kwd>
        <kwd>гранаты</kwd>
        <kwd>редкие элементы</kwd>
        <kwd>редкоземельные элементы</kwd>
        <kwd>комплекс  Марун-Кеу</kwd>
      </kwd-group>
      <kwd-group xml:lang="en">
        <title>Keywords</title>
        <kwd>garnetites</kwd>
        <kwd>eclogites</kwd>
        <kwd>garnets</kwd>
        <kwd>trace elements</kwd>
        <kwd>rare earth elements</kwd>
        <kwd>Marun-Keu complex</kwd>
      </kwd-group>
      <funding-group>
        <funding-statement xml:lang="ru">Исследование выполнено при поддержке гранта РНФ 22-17-00177</funding-statement>
        <funding-statement xml:lang="en">The study was financially supported by RSF N 22-17-00177</funding-statement>
      </funding-group>
    </article-meta>
  </front>
  <body/>
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