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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.2023.19</article-id>
      <article-id custom-type="edn" pub-id-type="custom">RJACLL</article-id>
      <article-id custom-type="pmi" pub-id-type="custom">pmi-15939</article-id>
      <article-id pub-id-type="uri">https://pmi.spmi.ru/pmi/article/view/15939</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">Wodginite as an indicator mineral of tantalum-bearing pegmatites and granites</article-title>
        <trans-title-group xml:lang="ru">
          <trans-title>Воджинит как минерал-индикатор танталоносных пегматитов и гранитов</trans-title>
        </trans-title-group>
      </title-group>
      <contrib-group>
        <contrib contrib-type="author" corresp="yes">
          <name name-style="eastern">
            <surname>Alekseev</surname>
            <given-names>Viktor I.</given-names>
          </name>
          <name-alternatives>
            <name name-style="eastern" xml:lang="ru">
              <surname>Алексеев</surname>
              <given-names>В. И.</given-names>
            </name>
            <name name-style="western" xml:lang="en">
              <surname>Alekseev</surname>
              <given-names>Viktor I.</given-names>
            </name>
          </name-alternatives>
          <email>alekseev_vi@pers.spmi.ru</email>
          <contrib-id contrib-id-type="orcid">0000-0002-1512-9347</contrib-id>
          <xref ref-type="aff" rid="aff1"/>
        </contrib>
        <aff-alternatives id="aff1">
          <aff>
            <institution xml:lang="ru">Санкт-Петербургский горный университет (Санкт-Петербург, Россия)</institution>
          </aff>
          <aff>
            <institution xml:lang="en">Saint Petersburg Mining University (Saint Petersburg, Russia)</institution>
          </aff>
        </aff-alternatives>
      </contrib-group>
      <pub-date pub-type="epub" iso-8601-date="2023-04-20">
        <day>20</day>
        <month>04</month>
        <year>2023</year>
      </pub-date>
      <pub-date date-type="collection">
        <year>2023</year>
      </pub-date>
      <volume>262</volume>
      <fpage>495</fpage>
      <lpage>508</lpage>
      <history>
        <date date-type="received" iso-8601-date="2022-08-22">
          <day>22</day>
          <month>08</month>
          <year>2022</year>
        </date>
        <date date-type="accepted" iso-8601-date="2023-02-02">
          <day>02</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 В. И. Алексеев</copyright-statement>
        <copyright-statement xml:lang="en">© 2023 Viktor I. Alekseev</copyright-statement>
        <copyright-year>2023</copyright-year>
        <copyright-holder xml:lang="ru">В. И. Алексеев</copyright-holder>
        <copyright-holder xml:lang="en">Viktor I. Alekseev</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/15939">https://pmi.spmi.ru/pmi/article/view/15939</self-uri>
      <abstract xml:lang="ru">
        <p>В составе тантало-ниобатов выделены оловосодержащие минералы группы воджинита (МГВ): воджинит, титановоджинит, ферроводжинит, ферротитановоджинит, литиоводжинит, танталоводжинит, «вольфрамоводжинит». Выполнен обзор мировых исследований МГВ. Создана база данных, включающая 698 анализов из 55 источников и авторские данные. МГВ приурочены к Li-F пегматитам и Li-F гранитам; наиболее распространен воджинит: 86,6 % в пегматитах и 78,3 % в гранитах. Встречаемость МГВ в гранитах и пегматитах отличается: в гранитах в три раза чаще встречаются титановоджинит и «вольфрамоводжинит», совсем не встречаются литиоводжинит и танталоводжинит. Отличие МГВ гранитов состоит в более мелком размере зерен; повышенном содержании Sn, Nb, Ti, W, Sc; пониженном – Fe3+, Ta, Zr, Hf; высоком значении Mn/(Mn + Fe) и низком – Zr/Hf. Ряды эволюции МГВ в пегматитах: ферроводжинит → ферротитановоджинит → титановоджинит → «вольфрамоводжинит» → воджинит → танталоводжинит; в гранитах: ферроводжинит → ферротитановоджинит → «вольфрамоводжинит» → воджинит → титановоджинит. МГВ служат индикаторами танталоносных пегматитов и гранитов. В России перспективными источниками тантала являются месторождения Дальневосточного пояса Li-F гранитов, содержащих воджинит.</p>
      </abstract>
      <abstract xml:lang="en">
        <p>In the composition of tantalum-niobates, the tin-bearing wodginite group minerals (WGM) were found: wod-ginite, titanowodginite, ferrowodginite, ferrotitanowodginite, lithiowodginite, tantalowodginite, “wolframowodginite”. We reviewed the worldwide research on WGM and created a database of 698 analyses from 55 sources including the author's data. WGM are associated with Li-F pegmatites and Li-F granites. Wodginite is the most prevalent mineral, occurring in 86.6 % of pegmatites and 78.3 % of granites. The occurrence of WGM in granites and pegmatites differs. For instance, titanowodginite and “wolframowodginite” occur three times more frequently in granites than in pegmatites, whereas lithiowodginite and tantalowodginite do not appear in granites at all. The difference between WGM in granites and pegmatites is in finer grain size, higher content of Sn, Nb, Ti, W, and Sc; lower content of Fe3+, Ta, Zr, Hf; higher ratio of Mn/(Mn + Fe); and lower ratio of Zr/Hf. The evolutionary series of WGM in pegmatites are as follows: ferrowodginite → ferrotitanowodginite → titanowodginite → “wolframowodginite” → wodginite → tantalowodginite; in granites: ferrowodginite → ferrotitanowodginite → “wolframowodginite” → wodginite → titanowodginite. WGM can serve as indicators of tantalum-bearing pegmatites and granites. In Russia the promising sources of tantalum are deposits of the Far Eastern belt of Li-F granites containing wodginite.</p>
      </abstract>
      <kwd-group xml:lang="ru">
        <title>Ключевые слова</title>
        <kwd>группа воджинита</kwd>
        <kwd>титановоджинит</kwd>
        <kwd>ферроводжинит</kwd>
        <kwd>«вольфрамоводжинит»</kwd>
        <kwd>редко- металльный литий-фтористый гранит</kwd>
        <kwd>редкометалльный пегматит</kwd>
        <kwd>тантал</kwd>
        <kwd>редкометалльные месторождения</kwd>
        <kwd>типоморфизм</kwd>
        <kwd>изоморфизм</kwd>
      </kwd-group>
      <kwd-group xml:lang="en">
        <title>Keywords</title>
        <kwd>wodginite group</kwd>
        <kwd>titanowodginite</kwd>
        <kwd>ferrowodginite</kwd>
        <kwd>“wolframowodginite”</kwd>
        <kwd>rare-metal lithium-fluoric granite</kwd>
        <kwd>rare-metal pegmatite</kwd>
        <kwd>tantalum</kwd>
        <kwd>rare-metal deposits</kwd>
        <kwd>typomorphism</kwd>
        <kwd>isomorphism</kwd>
      </kwd-group>
      <funding-group>
        <funding-statement xml:lang="ru">Исследование выполнено при финансовой поддержке РФФИ в рамках научного проекта № 20-15-50064</funding-statement>
        <funding-statement xml:lang="en">The study was funded by the Russian Foundation for Basic Research within the research project N 20-15-50064</funding-statement>
      </funding-group>
    </article-meta>
  </front>
  <body/>
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