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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">litosphere</journal-id><journal-title-group><journal-title xml:lang="ru">Литосфера</journal-title><trans-title-group xml:lang="en"><trans-title>LITHOSPHERE (Russia)</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1681-9004</issn><issn pub-type="epub">2500-302X</issn><publisher><publisher-name>A.N. Zavaritsky Institute of Geology and Geochemistry</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.24930/1681-9004-2025-25-2-251-262</article-id><article-id custom-type="edn" pub-id-type="custom">YJUAQW</article-id><article-id custom-type="elpub" pub-id-type="custom">litosphere-2274</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>ТИПОМОРФИЗМ, КРИСТАЛЛОХИМИЯ И ФИЗИКА МИНЕРАЛОВ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>TYPOMORPHISM, CRYSTAL CHEMISTRY, AND PHYSICS OF MINERALS</subject></subj-group></article-categories><title-group><article-title>Поверхностные свойства маломедистого борнита в динамике</article-title><trans-title-group xml:lang="en"><trans-title>Surface properties of Cu-poor bornite in dynamics</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Морохин</surname><given-names>А. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Morokhin</surname><given-names>A. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>167982; ул. Первомайская, 54; Сыктывкар</p></bio><bio xml:lang="en"><p>Alexey I. Morokhin</p><p>167982; 54 Pervomaiskaya st.; Syktyvkar</p></bio><email xlink:type="simple">alexey.morokhin@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Королева</surname><given-names>М. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Koroleva</surname><given-names>M. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>167000; ул. Первомайская, 48; Сыктывкар</p></bio><bio xml:lang="en"><p>Mariia S. Koroleva</p><p>167000; 48 Pervomaiskaya st.; Syktyvkar</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Шумилова</surname><given-names>Т. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Shumilova</surname><given-names>T. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>167982; ул. Первомайская, 54; Сыктывкар</p></bio><bio xml:lang="en"><p>Tatyana G. Shumilova</p><p>167982; 54 Pervomaiskaya st.; Syktyvkar</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Исаенко</surname><given-names>С. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Isaenko</surname><given-names>S. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>167982; ул. Первомайская, 54; Сыктывкар</p></bio><bio xml:lang="en"><p>Sergey I. Isaenko</p><p>167982; 54 Pervomaiskaya st.; Syktyvkar</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">Институт геологии им. академика Н.П. Юшкина ФИЦ Коми НЦ УрО РАН<country>Россия</country></aff><aff xml:lang="en">N.P. Yushkin Institute of Geology, FRC Komi SC UB RAS<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru">Институт химии ФИЦ Коми НЦ УрО РАН<country>Россия</country></aff><aff xml:lang="en">Institute of Chemistry, FRC Komi SC UB RAS<country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>04</day><month>05</month><year>2025</year></pub-date><volume>25</volume><issue>2</issue><issue-title>Минералы: строение, свойства, методы исследования</issue-title><fpage>251</fpage><lpage>262</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Морохин А.И., Королева М.С., Шумилова Т.Г., Исаенко С.И., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Морохин А.И., Королева М.С., Шумилова Т.Г., Исаенко С.И.</copyright-holder><copyright-holder xml:lang="en">Morokhin A.I., Koroleva M.S., Shumilova T.G., Isaenko S.I.</copyright-holder><license license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://www.lithosphere.ru/jour/article/view/2274">https://www.lithosphere.ru/jour/article/view/2274</self-uri><abstract><sec><title>   Объект исследования</title><p>   Объект исследования. Маломедистый борнит Северо-Западного участка Волковского месторождения (Средний Урал).</p></sec><sec><title>   Материалы и методы</title><p>   Материалы и методы. Образцы медных руд с борнитом отобраны из промышленных сортов медных руд в Северо-Западном карьере Волковского месторождения. Изучены свойства маломедистого борнита в динамике с использованием оптической микроскопии в отраженном свете, сканирующей электронной микроскопии, энерго-дисперсионной спектроскопии, спектроскопии комбинационного рассеяния света; оптические свойства анализировались с помощью спектроскопии диффузного отражения.</p></sec><sec><title>   Результаты</title><p>   Результаты. Показано отсутствие диффузных процессов в поверхностный слой из объема борнита с течением времени после механического воздействия, при изменении поверхности выявлено, что содержание элементов в приповерхностном слое борнита сохраняется в пределах погрешности измерений методом энергодисперсионной спектроскопии. С помощью спектроскопии диффузного отражения установлена динамика изменения свойств поверхности маломедистого розового борнита.</p></sec><sec><title>   Выводы</title><p>   Выводы. На основании выполненных исследований предложен методический подход для разработки количественного параметра для выделения разновидностей борнита при минералого-технологическом картировании и прогнозировании показателей переработки медных руд.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>   Research subject</title><p>   Research subject. Cu-poor bornite from copper ores of Volkovskoye deposit (Middle Urals).</p></sec><sec><title>   Materials and methods</title><p>   Materials and methods. Specimens with bornite have been sampled from the industrial copper ores at the North-West quarry of the Volkovskoye deposit. Properties of the bornite have been studied in dynamics with optical microscopy in reflected light, energy dispersive spectroscopy, Raman spectroscopy; optical properties have been analyzed using diffusion reflectance spectroscopy.</p></sec><sec><title>   Results</title><p>   Results. Absence of elements diffusive processes into the subsurface layer from bulk bornite during mechanical treatment has been demonstrated, at the surface changing the bornite composition stays be saved in the limits of the measurements accuracy by energy dispersive spectroscopy. The dynamics of surface properties changes for the Cu-poor pink bornite using diffusion reflectance spectroscopy has been established.</p></sec><sec><title>   Conclusions</title><p>   Conclusions. On the basis of the study results a new approach to develop a quantitative criterion for bornite varieties determination for mineralogical-technological mapping and prediction of processing indicators of copper ores has been proposed.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>сульфиды меди</kwd><kwd>борнит</kwd><kwd>оптические и электрические свойства</kwd><kwd>динамика изменения свойств</kwd><kwd>сульфидные месторождения меди</kwd></kwd-group><kwd-group xml:lang="en"><kwd>copper sulfides</kwd><kwd>bornite</kwd><kwd>optical and electrical properties</kwd><kwd>dynamics of property changes</kwd><kwd>copper sulfide deposits</kwd></kwd-group><funding-group xml:lang="ru"><funding-statement>Работа выполнена в рамках темы НИР ГР № 122040600009-2</funding-statement></funding-group><funding-group xml:lang="en"><funding-statement>The work has been carried out in the frames of the project No. 122040600009-2</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Алексеев Е.Е., Якуньков Е.А., Сиверин О.О., Бахманов Д.Я., Кутергин А.В. 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