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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">UWWLCZ</article-id>
      <article-id custom-type="pmi" pub-id-type="custom">pmi-16737</article-id>
      <article-id pub-id-type="uri">https://pmi.spmi.ru/pmi/article/view/16737</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">Experimental modeling of diamond dissolution in kimberlite within crustal cumulative centers</article-title>
        <trans-title-group xml:lang="ru">
          <trans-title>Экспериментальное моделирование снижения алмазоносности кимберлита в условиях коровых кумулятивных центров</trans-title>
        </trans-title-group>
      </title-group>
      <contrib-group>
        <contrib contrib-type="author" corresp="yes">
          <name name-style="eastern">
            <surname>Kuzyura</surname>
            <given-names>Anastasiya V.</given-names>
          </name>
          <name-alternatives>
            <name name-style="eastern" xml:lang="ru">
              <surname>Кузюра</surname>
              <given-names>А. В.</given-names>
            </name>
            <name name-style="western" xml:lang="en">
              <surname>Kuzyura</surname>
              <given-names>Anastasiya V.</given-names>
            </name>
          </name-alternatives>
          <email>shushkanova@iem.ac.ru</email>
          <contrib-id contrib-id-type="orcid">0000-0002-1769-8711</contrib-id>
          <xref ref-type="aff" rid="aff1"/>
        </contrib>
        <aff-alternatives id="aff1">
          <aff>
            <institution xml:lang="ru">Институт экспериментальной минералогии имени академика Д.С.Коржинского РАН (Черноголовка, Россия)</institution>
          </aff>
          <aff>
            <institution xml:lang="en">D.S.Кorzhinskii Institute of Experimental Mineralogy of RAS (Chernogolovka, Russia)</institution>
          </aff>
        </aff-alternatives>
        <contrib contrib-type="author">
          <name name-style="eastern">
            <surname>Spivak</surname>
            <given-names>Anna V.</given-names>
          </name>
          <name-alternatives>
            <name name-style="eastern" xml:lang="ru">
              <surname>Спивак</surname>
              <given-names>А. В.</given-names>
            </name>
            <name name-style="western" xml:lang="en">
              <surname>Spivak</surname>
              <given-names>Anna V.</given-names>
            </name>
          </name-alternatives>
          <email>spivak@iem.ac.ru</email>
          <contrib-id contrib-id-type="orcid">0000-0001-9688-520X</contrib-id>
          <xref ref-type="aff" rid="aff2"/>
        </contrib>
        <aff-alternatives id="aff2">
          <aff>
            <institution xml:lang="ru">Институт экспериментальной минералогии имени академика Д.С.Коржинского РАН (Черноголовка, Россия)</institution>
          </aff>
          <aff>
            <institution xml:lang="en">D.S.Кorzhinskii Institute of Experimental  Mineralogy of RAS (Chernogolovka, Russia)</institution>
          </aff>
        </aff-alternatives>
        <contrib contrib-type="author">
          <name name-style="eastern">
            <surname>Kriulina</surname>
            <given-names>Galina Yu.</given-names>
          </name>
          <name-alternatives>
            <name name-style="eastern" xml:lang="ru">
              <surname>Криулина</surname>
              <given-names>Г. Ю.</given-names>
            </name>
            <name name-style="western" xml:lang="en">
              <surname>Kriulina</surname>
              <given-names>Galina Yu.</given-names>
            </name>
          </name-alternatives>
          <email>g9671844057@gmail.com</email>
          <contrib-id contrib-id-type="orcid">0009-0009-8495-9289</contrib-id>
          <xref ref-type="aff" rid="aff3"/>
        </contrib>
        <aff-alternatives id="aff3">
          <aff>
            <institution xml:lang="ru">Московский государственный университет имени М.В.Ломоносова (Москва, Россия)</institution>
          </aff>
          <aff>
            <institution xml:lang="en">Lomonosov Moscow State University (Moscow, Russia)</institution>
          </aff>
        </aff-alternatives>
      </contrib-group>
      <pub-date pub-type="epub" iso-8601-date="2025-12-08">
        <day>08</day>
        <month>12</month>
        <year>2025</year>
      </pub-date>
      <pub-date date-type="collection">
        <year>2026</year>
      </pub-date>
      <volume>277</volume>
      <fpage>68</fpage>
      <lpage>80</lpage>
      <history>
        <date date-type="received" iso-8601-date="2025-04-30">
          <day>30</day>
          <month>04</month>
          <year>2025</year>
        </date>
        <date date-type="accepted" iso-8601-date="2025-10-09">
          <day>09</day>
          <month>10</month>
          <year>2025</year>
        </date>
        <date date-type="rev-recd" iso-8601-date="2026-02-27">
          <day>27</day>
          <month>02</month>
          <year>2026</year>
        </date>
      </history>
      <permissions>
        <copyright-statement xml:lang="ru">© 2025 А. В. Кузюра, А. В. Спивак, Г. Ю. Криулина</copyright-statement>
        <copyright-statement xml:lang="en">© 2025 Anastasiya V. Kuzyura, Anna V. Spivak, Galina Yu. Kriulina</copyright-statement>
        <copyright-year>2025</copyright-year>
        <copyright-holder xml:lang="ru">А. В. Кузюра, А. В. Спивак, Г. Ю. Криулина</copyright-holder>
        <copyright-holder xml:lang="en">Anastasiya V. Kuzyura, Anna V. Spivak, Galina Yu. Kriulina</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/16737">https://pmi.spmi.ru/pmi/article/view/16737</self-uri>
      <abstract xml:lang="ru">
        <p>Предложены основные этапы химически активной истории генезиса алмазов от верхне-мантийных очагов до взрывного выброса алмазов и кимберлитового вещества из кумулятивных центров к поверхности. Работа посвящена предфинальному эпизоду генезиса алмазных месторождений – взаимодействию алмазов с карбонатно-силикатными кимберлитовыми магмами в условиях корового кумулятивного очага. Такое взаимодействие возможно, когда транспорт алмазов этими магмами с глубин мантийных коренных очагов к поверхности останавливается в комплексах пород коры с прочной кровлей. Время остывания и затвердевания кимберлитовых расплавов в таких кумулятивных центрах достаточно продолжительно для заметных потерь массы растворяющихся алмазов. Взаимодействие карбонатно-силикатных кимберлитовых расплавов с различным содержанием карбонатной составляющей с природными монокристаллическими алмазами изучено экспериментально при давлении 0,15 ГПа и температуре 1200 °С. В качестве растворителей использовались модельные карбонатные, карбонат-флюидные, природные кимберлитовые и кимберлит-флюидные системы. В условиях опытов растворители плавились, а кристаллы алмазов испытывали поверхностное растворение. Установлено, что на плоскостях роста фиксируются фигуры травления, происходит потеря алмазами массы от 3-4,5 % при выдержке 2 ч (порядок времени кимберлитового транспорта из верхне-мантийных алмазообразующих очагов в коровые кумулятивные центры) до 47,6 % при выдержке 10 сут. (в условиях коровых кумулятивных центров). Результаты демонстрируют, что растворяющая способность карбонатно-силикатных транспортирующих магм является фактором, эффективно понижающим алмазоносность кимберлитовых месторождений.</p>
      </abstract>
      <abstract xml:lang="en">
        <p>The main stages within the chemically active history of diamond genesis are proposed, from the upper-mantle chambers to the explosive ejections of diamonds and kimberlite material from cumulative centers to the surface. The paper focuses on the pre-final episode of diamond deposit genesis – the interaction of diamonds with carbonate-silicate kimberlite magmas in a crustal cumulate chamber. Such interactions are possible when the transport of diamonds by these magmas from the depths of the mantle primary chambers to the surface is stopped within crustal rock complexes with a strong roof. The cooling and solidification time of kimberlite melts in such cumulative centers is long enough to cause a significant mass loss of dissolving diamonds. The interaction of carbonate-silicate kimberlite melts with varying carbonate content with natural single-crystal diamonds was studied experimentally at a pressure of 0.15 GPa and a temperature of 1200 °C. Model carbonate, carbonate-fluid, natural kimberlite, and kimberlite-fluid systems were used as solvents. At experimental conditions, the solvents melted, and diamond crystals surface were underwent by dissolution. It was established that etching patterns are recorded on the growth planes, and diamonds lose mass: from 3-4.5 % after 2-hour exposure (the order of kimberlite transport time from the upper-mantle diamond-forming centers to the crustal cumulative centers) to 47.6 % after 10-day exposure (at the crustal cumulative center conditions). The results demonstrate that the dissolving ability of carbonate-silicate transport magmas is a factor that effectively reduces the diamond potential of kimberlite deposits.</p>
      </abstract>
      <kwd-group xml:lang="ru">
        <title>Ключевые слова</title>
        <kwd>генезис алмаза</kwd>
        <kwd>алмазоносность кимберлитов</kwd>
        <kwd>растворение алмазов</kwd>
        <kwd>кимберлитовые магмы</kwd>
        <kwd>транспорт мантия – земная кора</kwd>
        <kwd>кумулятивные коровые центры</kwd>
      </kwd-group>
      <kwd-group xml:lang="en">
        <title>Keywords</title>
        <kwd>diamond genesis</kwd>
        <kwd>diamond-forming capacity of kimberlites</kwd>
        <kwd>diamond dissolution</kwd>
        <kwd>kimberlite magmas</kwd>
        <kwd>transport mantle – crust</kwd>
        <kwd>cumulative crustal centers</kwd>
      </kwd-group>
      <funding-group>
        <funding-statement xml:lang="ru">Работа выполнена в рамках темы НИР ИЭМ РАН № FMUF-2022-0001.</funding-statement>
        <funding-statement xml:lang="en">The study is fulfilled under Research program N FMUF-2022-0001 of the IEM RAS.</funding-statement>
      </funding-group>
    </article-meta>
  </front>
  <body/>
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