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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 custom-type="pmi" pub-id-type="custom">pmi-14857</article-id>
      <article-id pub-id-type="uri">https://pmi.spmi.ru/pmi/article/view/14857</article-id>
      <article-categories>
        <subj-group subj-group-type="section-heading" xml:lang="ru">
          <subject>Горное дело</subject>
        </subj-group>
        <subj-group subj-group-type="section-heading" xml:lang="en">
          <subject>Mining</subject>
        </subj-group>
      </article-categories>
      <title-group>
        <article-title xml:lang="en">Classification of ore mining systems</article-title>
        <trans-title-group xml:lang="ru">
          <trans-title>Классификация систем разработки рудных месторождений</trans-title>
        </trans-title-group>
      </title-group>
      <contrib-group>
        <contrib contrib-type="author">
          <name name-style="eastern">
            <surname>Trushkov</surname>
            <given-names>N. I.</given-names>
          </name>
          <name-alternatives>
            <name name-style="eastern" xml:lang="ru">
              <surname>Трушков</surname>
              <given-names>Н. И.</given-names>
            </name>
            <name name-style="western" xml:lang="en">
              <surname>Trushkov</surname>
              <given-names>N. I.</given-names>
            </name>
          </name-alternatives>
          <email>pmi@spmi.ru</email>
          <xref ref-type="aff" rid="aff1"/>
        </contrib>
        <aff-alternatives id="aff1">
          <aff>
            <institution xml:lang="ru"> (Россия)</institution>
          </aff>
          <aff>
            <institution xml:lang="en"> (Russia)</institution>
          </aff>
        </aff-alternatives>
      </contrib-group>
      <pub-date pub-type="epub" iso-8601-date="1946-06-29">
        <day>29</day>
        <month>06</month>
        <year>1946</year>
      </pub-date>
      <pub-date date-type="collection">
        <year>1946</year>
      </pub-date>
      <volume>19</volume>
      <fpage>24</fpage>
      <lpage>38</lpage>
      <history>
        <date date-type="received" iso-8601-date="1945-07-10">
          <day>10</day>
          <month>07</month>
          <year>1945</year>
        </date>
        <date date-type="accepted" iso-8601-date="1945-09-28">
          <day>28</day>
          <month>09</month>
          <year>1945</year>
        </date>
        <date date-type="rev-recd" iso-8601-date="1946-06-29">
          <day>29</day>
          <month>06</month>
          <year>1946</year>
        </date>
      </history>
      <permissions>
        <copyright-statement xml:lang="ru">© 1946 Н. И. Трушков</copyright-statement>
        <copyright-statement xml:lang="en">© 1946 N. I. Trushkov</copyright-statement>
        <copyright-year>1946</copyright-year>
        <copyright-holder xml:lang="ru">Н. И. Трушков</copyright-holder>
        <copyright-holder xml:lang="en">N. I. Trushkov</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/14857">https://pmi.spmi.ru/pmi/article/view/14857</self-uri>
      <abstract xml:lang="ru">
        <p>Ввиду различия не только в собственно методах и их деталях, но и. в принципах разработки рудных и каменноугольных месторождений, составление единой классификации систем разработки для тех и других неце­лесообразно. Попытка составления такой общей классификации оказались, вследствие сложности и противоречий, неудачными, а предлагавшиеся классификации, в ущерб одной из специальностей, рудной или пластовой — практически неприемлемыми. Для систем разработки руд, являющейся в народном хо­зяйстве Союза уже давно самостоятельной и важнейшей отраслью горного дела, необходима простая самостоятельная классификация методов разработки руд.</p>
      </abstract>
      <abstract xml:lang="en">
        <p>Due to the differences not only in the methods themselves and their details, but also in the principles of development of ore and coal deposits, drawing up a single classification of development systems for both is impractical. An attempt to compile such a general classification turned out to be unsuccessful due to complexity and contradictions, and the proposed classifications, to the detriment of one of the specialties, ore or seam, were practically unacceptable. For ore mining systems, which have long been an independent and most important branch of mining in the national economy of the Union, a simple independent classification of ore mining methods is necessary.</p>
      </abstract>
    </article-meta>
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  <body/>
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</article>
