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  <front>
    <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 pub-id-type="doi">10.31897/PMI.2022.54</article-id>
      <article-id custom-type="pmi" pub-id-type="custom">pmi-15774</article-id>
      <article-id pub-id-type="uri">https://pmi.spmi.ru/pmi/article/view/15774</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">Ti-Fe-Cr spinels in layered (stratified) complexes of the western slope  of the Southern Urals: species diversity and formation conditions</article-title>
        <trans-title-group xml:lang="ru">
          <trans-title>Ti-Fe-Cr шпинелиды в дифференцированных (расслоенных)  комплексах западного склона Южного Урала:  видовое разнообразие и условия формирования</trans-title>
        </trans-title-group>
      </title-group>
      <contrib-group>
        <contrib contrib-type="author" corresp="yes">
          <name name-style="eastern">
            <surname>Kovalev</surname>
            <given-names>Sergey G.</given-names>
          </name>
          <name-alternatives>
            <name name-style="eastern" xml:lang="ru">
              <surname>Ковалев</surname>
              <given-names>С. Г.</given-names>
            </name>
            <name name-style="western" xml:lang="en">
              <surname>Kovalev</surname>
              <given-names>Sergey G.</given-names>
            </name>
          </name-alternatives>
          <email>kovalev@ufaras.ru</email>
          <contrib-id contrib-id-type="orcid">0000-0001-6753-7484</contrib-id>
          <xref ref-type="aff" rid="aff1"/>
        </contrib>
        <aff-alternatives id="aff1">
          <aff>
            <institution xml:lang="ru">Институт геологии Уфимского научного центра РАН (Россия)</institution>
          </aff>
          <aff>
            <institution xml:lang="en">Institute of Geology, Ufa Scientific Centre RAS (Russia)</institution>
          </aff>
        </aff-alternatives>
        <contrib contrib-type="author">
          <name name-style="eastern">
            <surname>Kovalev</surname>
            <given-names>Sergey S.</given-names>
          </name>
          <name-alternatives>
            <name name-style="eastern" xml:lang="ru">
              <surname>Ковалев</surname>
              <given-names>С. С.</given-names>
            </name>
            <name name-style="western" xml:lang="en">
              <surname>Kovalev</surname>
              <given-names>Sergey S.</given-names>
            </name>
          </name-alternatives>
          <email>kovalev@ufaras.ru</email>
          <contrib-id contrib-id-type="orcid">0000-0003-1780-6580</contrib-id>
          <xref ref-type="aff" rid="aff2"/>
        </contrib>
        <aff-alternatives id="aff2">
          <aff>
            <institution xml:lang="ru">Институт геологии Уфимского научного центра РАН (Россия)</institution>
          </aff>
          <aff>
            <institution xml:lang="en">Institute of Geology, Ufa Scientific Centre RAS (Russia)</institution>
          </aff>
        </aff-alternatives>
      </contrib-group>
      <pub-date pub-type="epub" iso-8601-date="2022-07-26">
        <day>26</day>
        <month>07</month>
        <year>2022</year>
      </pub-date>
      <pub-date date-type="collection">
        <year>2022</year>
      </pub-date>
      <volume>255</volume>
      <fpage>476</fpage>
      <lpage>492</lpage>
      <history>
        <date date-type="received" iso-8601-date="2022-03-21">
          <day>21</day>
          <month>03</month>
          <year>2022</year>
        </date>
        <date date-type="accepted" iso-8601-date="2022-06-15">
          <day>15</day>
          <month>06</month>
          <year>2022</year>
        </date>
        <date date-type="rev-recd" iso-8601-date="2022-07-26">
          <day>26</day>
          <month>07</month>
          <year>2022</year>
        </date>
      </history>
      <permissions>
        <copyright-statement xml:lang="ru">© 2022 С. Г. Ковалев, С. С. Ковалев</copyright-statement>
        <copyright-statement xml:lang="en">© 2022 Sergey G. Kovalev, Sergey S. Kovalev</copyright-statement>
        <copyright-year>2022</copyright-year>
        <copyright-holder xml:lang="ru">С. Г. Ковалев, С. С. Ковалев</copyright-holder>
        <copyright-holder xml:lang="en">Sergey G. Kovalev, Sergey S. Kovalev</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/15774">https://pmi.spmi.ru/pmi/article/view/15774</self-uri>
      <abstract xml:lang="ru">
        <p>Приводятся материалы по петрогеохимии и рудной Fe-Ti-Cr минерализации пород, слагающих дифференцированные (расслоенные) тела западного склона Южного Урала. Детальный анализ авторского материала показал сходство процессов перераспределения РЗЭ, благородных металлов и химического состава Fe-Ti-Cr минерализации практически по всем параметрам в породах мисаелгинского и кусинско-копанского комплексов. Установлено, что параметры метаморфизма, который повлиял на перераспределение компонентов в Fe-Ti-Cr минералах дифференцированных комплексов, соответствуют мисаелгинский – Т = &amp;lt;550-750 °С, P = 0,1-2,8 кбар, кусинско-копанский – Т = &amp;lt;550-630 °С, P = 0,3-0,7 кбар и шуйдинский комплексы – Т = &amp;lt;550-760 °С, P = 0,5-2,5 кбар. В результате моделирования процесса кристаллизации расплава показано, что кусинско-копанский комплекс представляет собой интрузивное тело, в идеализированном разрезе которого присутствует ультраосновной горизонт. Вследствие коллизионных процессов нижняя часть интрузива была оторвана от верхней. Предлагаемое строение кусинско-копанского комплекса резко увеличивает его перспективы на такие виды минерального сырья, как платиноиды + сульфидное медно-никелевое оруденение и/или хромиты.</p>
      </abstract>
      <abstract xml:lang="en">
        <p>Materials on geochemistry and ore Fe-Ti-Cr mineralization of rocks composing layered (stratified) bodies of the western slope of the Southern Urals are presented. A detailed analysis showed similarity in the redistribution of REE, noble metals, and Fe-Ti-Cr mineralization of practically all parameters in rocks of the Misaelga and Kusin-Kopan complexes. It has been established that the parameters of metamorphism, which influenced components redistribution in Fe-Ti-Cr minerals of the layered complexes, correspond to Misaelga – T = &amp;lt;550-750 °С, P = 0.1-2.8 kbar, Kusin-Kopan – T = &amp;lt;550-630 °С, P = 0.3-0.7 kbar, and Shuidinsky complexes – T = &amp;lt;550-760 °С, P = 0.5-2.5 kbar. The result of modelling the melt crystallization process showed that the Kusin-Kopan complex is an intrusive body with an ultramafic horizon in the idealized cross-section. Due to collisional processes, the lower part of the intrusion has been detached from the upper part. The proposed structure of the Kusin-Kopan complex sharply increases its prospects for such types of minerals as platinum group minerals + sulphide copper-nickel mine-ralization and/or chromites.</p>
      </abstract>
      <kwd-group xml:lang="ru">
        <title>Ключевые слова</title>
        <kwd>Южный Урал</kwd>
        <kwd>дифференцированные (расслоенные) комплексы</kwd>
        <kwd>Fe-Ti-Cr минерализация</kwd>
        <kwd>редкоземельные элементы</kwd>
        <kwd>благородные металлы</kwd>
      </kwd-group>
      <kwd-group xml:lang="en">
        <title>Keywords</title>
        <kwd>Southern Urals</kwd>
        <kwd>layered (stratified) complexes</kwd>
        <kwd>Fe-Ti-Cr mineralization</kwd>
        <kwd>rare earth elements</kwd>
        <kwd>noble metals</kwd>
      </kwd-group>
    </article-meta>
  </front>
  <body/>
  <back>
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