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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.2022.28</article-id>
      <article-id custom-type="pmi" pub-id-type="custom">pmi-15782</article-id>
      <article-id pub-id-type="uri">https://pmi.spmi.ru/pmi/article/view/15782</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">Carbonatite complexes of the South Urals: geochemical  features, ore mineralization, and geodynamic settings</article-title>
        <trans-title-group xml:lang="ru">
          <trans-title>Карбонатитовые комплексы Южного Урала: геохимические особенности, рудная минерализация и связь с геодинамическими обстановками</trans-title>
        </trans-title-group>
      </title-group>
      <contrib-group>
        <contrib contrib-type="author" corresp="yes">
          <name name-style="eastern">
            <surname>Nedosekova</surname>
            <given-names>Irina L.</given-names>
          </name>
          <name-alternatives>
            <name name-style="eastern" xml:lang="ru">
              <surname>Недосекова</surname>
              <given-names>И. Л.</given-names>
            </name>
            <name name-style="western" xml:lang="en">
              <surname>Nedosekova</surname>
              <given-names>Irina L.</given-names>
            </name>
          </name-alternatives>
          <email>vladi49@yandex.ru</email>
          <contrib-id contrib-id-type="orcid">0000-0001-7952-0639</contrib-id>
          <xref ref-type="aff" rid="aff1"/>
        </contrib>
        <aff-alternatives id="aff1">
          <aff>
            <institution xml:lang="ru">Институт геологии и геохимии им. академика А.Н.Заварицкого Уральского отделения РАН (Екатеринбург, Россия)</institution>
          </aff>
          <aff>
            <institution xml:lang="en">Zavaritsky Institute of Geology and Geochemistry, the Ural Branch of the Russian Academy of Sciences (Ekaterinburg, 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>349</fpage>
      <lpage>368</lpage>
      <history>
        <date date-type="received" iso-8601-date="2022-03-31">
          <day>31</day>
          <month>03</month>
          <year>2022</year>
        </date>
        <date date-type="accepted" iso-8601-date="2022-05-11">
          <day>11</day>
          <month>05</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 И. Л. Недосекова</copyright-statement>
        <copyright-statement xml:lang="en">© 2022 Irina L. Nedosekova</copyright-statement>
        <copyright-year>2022</copyright-year>
        <copyright-holder xml:lang="ru">И. Л. Недосекова</copyright-holder>
        <copyright-holder xml:lang="en">Irina L. Nedosekova</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/15782">https://pmi.spmi.ru/pmi/article/view/15782</self-uri>
      <abstract xml:lang="ru">
        <p>Представлены результаты исследований Ильмено-Вишневогорского и Булдымского карбонатитовых комплексов Урала. Установлено, что карбонатиты Ильмено-Вишневогорского комплекса представлены высокотемпературными кальциокарбонатитами (севитами I и II) с пирохлоровой рудной минерализацией. U-Ta-богатые популяции уранпирохлоров (I) и фторкальциопирохлоров (II) кристаллизуются в миаскит-пегматитах и севитах I; в cевитах II образуются фторкальциопирохлоры (III) и Sr-REE-пирохлоры (IV) поздних популяций. В Булдымском комплексе, наряду с высокотемпературными кальциокарбонатитами, содержащими фторкальциопирохлор (III), распространены среднетемпературные разности магнезиокарбонатитов с РЗЭ-Nb-минерализацией (монацитом, ниобоэшинитом, колумбитом и др). Миаскиты и карбонатиты Урала характеризуются высокими содержаниями LILE (Sr, Ba, К, Rb) и HFSE (Nb, Ta, Zr, Hf, Ti), которые близки содержаниям в рифтогенных карбонатитовых комплексах внутриплитных обстановок и значимо отличаются от синорогенных коллизионных карбонатитовых комплексов. Уральские карбонатитовые комплексы образовались на континентальных рифтовых окраинах во время раскрытия Уральского океана на этапе перехода от экстенсиональной тектоники к тектонике сжатия, позднее были захвачены и деформированы в шовной зоне в результате коллизии. С орогенными и постколлизионными обстановками связаны пластические и хрупкие деформации, анатексис, процессы перекристаллизации пород и руд карбонатитовых комплексов Урала.</p>
      </abstract>
      <abstract xml:lang="en">
        <p>The article presents the results of study of the Ilmeno-Vishnevogorsky and Buldym carbonatite complexes in the Urals. It has been established that the carbonatites of the Ilmeno-Vishnevogorsky complex are represented by high-temperature calciocarbonatites (sövites I and II) with pyrochlore ore mineralization. U-Ta-rich populations of uranium pyrochlores (I) and fluorocalciopyrochlores (II) crystallize in miaskite-pegmatites and sövites I; fluorocalciopyrochlores (III) and Sr-REE-pyrochlores (IV) of late populations form in sövites II. In the Buldym complex, along with high-temperature calciocarbonatites containing fluorocalciopyrochlore (III), medium-temperature varieties of magnesiocarbonatites with REE-Nb mineralization (monazite, niobo-aeschynite, columbite, etc.) are widespread. Miaskites and carbonatites of the Urals are characterized by high contents of LILE (Sr, Ba, K, Rb) and HFSE (Nb, Ta, Zr, Hf, Ti), which are close to the contents in rift-related carbonatite complexes of intraplate settings and significantly differ from synorogenic collisional carbonatite complexes. The Ural carbonatite complexes formed on continental rift margins during the opening of the Ural Ocean at the time of transition from extensional to compressional tectonics. Later on, they were captured and deformed in the suture zone as a result of collision. Plastic and brittle deformations, anatexis, recrystallization of rocks and ores of carbonatite complexes in the Urals are associated with orogenic and post-collision settings.</p>
      </abstract>
      <kwd-group xml:lang="ru">
        <title>Ключевые слова</title>
        <kwd>карбонатиты линейного типа</kwd>
        <kwd>деформированные щелочные комплексы</kwd>
        <kwd>минералы группы пирохлора</kwd>
        <kwd>Ильмено-Вишневогорский и Булдымский комплексы</kwd>
        <kwd>Урал</kwd>
      </kwd-group>
      <kwd-group xml:lang="en">
        <title>Keywords</title>
        <kwd>linear carbonatites</kwd>
        <kwd>deformed alkaline complexes</kwd>
        <kwd>pyrochlore group minerals</kwd>
        <kwd>Ilmeno-Vishnevogorsky and Buldym complexes</kwd>
        <kwd>the Urals</kwd>
      </kwd-group>
    </article-meta>
  </front>
  <body/>
  <back>
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