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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">10.24930/1681-9004-2022-22-3-391-403</article-id><article-id custom-type="elpub" pub-id-type="custom">litosphere-1660</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>Статьи</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Articles</subject></subj-group></article-categories><title-group><article-title>Вознесенское золоторудное месторождение (Южный Урал): геологическое строение, геохимия рудовмещающих пород, геодинамические условия образования</article-title><trans-title-group xml:lang="en"><trans-title>Voznesenskoe gold ore deposit (Southern Urals): Geological structure, ore-bearing rock geochemistry, geodynamic formation conditions</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>Знаменский</surname><given-names>С. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Znamensky</surname><given-names>S. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>450077, Уфа, ул. Карла Маркса 16/2.</p></bio><bio xml:lang="en"><p>Sergey E. Znamensky.</p><p>16/2 K. Marx St., Ufa 450077.</p></bio><email xlink:type="simple">Znamensky_Sergey@mail.ru</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>Знаменская</surname><given-names>Н. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Znamenskaya</surname><given-names>N. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>450077, Уфа, ул. Карла Маркса 16/2.</p></bio><bio xml:lang="en"><p>Nina M. Znamenskaya.</p><p>16/2 K. Marx St., Ufa 450077.</p></bio><email xlink:type="simple">Znamensky_Sergey@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт геологии УФИЦ РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Institute of Geology UFSC RAS</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>02</day><month>07</month><year>2022</year></pub-date><volume>22</volume><issue>3</issue><fpage>391</fpage><lpage>403</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Знаменский С.Е., Знаменская Н.М., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Знаменский С.Е., Знаменская Н.М.</copyright-holder><copyright-holder xml:lang="en">Znamensky S.E., Znamenskaya N.M.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" 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/1660">https://www.lithosphere.ru/jour/article/view/1660</self-uri><abstract><p>Объект исследований. Геологическое строение, петро- и геохимические особенности рудовмещающих пород Вознесенского золоторудного месторождения (Южный Урал) и геодинамические условия его формирования. Методы. Содержание петрогенных окислов определялось с помощью силикатного анализа, редких элементов -методами ICP-MS на масс-спектрометре ELAH 9000 и ICP-AES на масс-спектрометре ICPE-9000. Результаты. Показано, что Вознесенское месторождение приурочено к фрагменту коровой части разреза островодужных офиолитов гарцбургитового типа. Разрез офиолитов слагают такситовые габброиды, толща долеритов, базальтов, андезибазальтов и их туфов, местами отделенных от габброидов линзами серпентинитов, и пакет субпараллельных даек порфировых габбро-долеритов, габбро-диоритов и диоритов. Вулканиты и породы даек, имеющие нормальную щелочность и толеитовый состав, обладают геохимическими характеристиками надсубдукционных образований. По химическому составу они сопоставимы с вулканитами колчеданоносных комплексов баймак-бурибаевской свиты (D1e2). Вместе с тем вознесенские породы обладают и рядом отличительных особенностей. В частности, рудовмещающие эффузивы и дайки отличаются от вулканитов колчеданоносных комплексов повышенной титанистостью, отсутствием бонинитов и кремнекислых вулканитов, а также преобладанием порфировых типов пород. Заключение. Анализ геохимических данных с использованием диаграмм V-Ti/1000 и LaN/SmN—TiO2 дает основание предполагать, что ассоциация основных вулканитов и рудоносных даек габбро-долеритов, габбро-диоритов и диоритов Вознесенского месторождения образовалась в задуговом бассейне позднеэмской фронтальной островной дуги.</p></abstract><trans-abstract xml:lang="en"><p>Research subject. The geological structure, petro-geochem ical features of the ore-bearing rocks of the Voznesenskoe gold ore deposit (Southern Urals) and the geodynamic conditions of its formation. Methods. The content of petrogenic oxides was determined using silicate analysis; rare elements were determ ined using ICP-MS methods by an EIAH 9000 mass spectrometer and ICP-AES by an ICPE-9000 mass spectrometer. Results. The Voznesenskoe deposit is confined to a fragment of the crustal part of the section of harzburgite-type island-arc ophiolites. The ophiolite section is composed of taxite gabbroids, a sequence of dolerites, basalts, basaltic andesites and their tuffs, in places separated from gabbroids by lenses of serpentinites, and a package of subparallel dikes of porphyry gabbro-dolerites, gabbro-diorites, and diorites. Volcanics and dyke rocks with normal alkalinity and tholeiitic composition exhibit the geochemical characteristics of suprasubduction formations. In terms of chemical composition, they are comparable to the volcanic rocks of the pyritebearing complexes of the Baimak-Buribaevskaya Formation (D1e2). At the same time, the Voznesensky rocks have a number of distinct features, which are likely to be related to the geodynamic setting of their formation. In particular, ore-bearing effusive rocks and dykes differ from volcanic rocks of pyrite-bearing complexes in terms of a higher titanium content, the absence of boninite and silicic volcanic rocks, as well as the predominance of porphyry rock types. Conclusion. The conducted analysis of geochemical data using the V-Ti/1000 and LaN/SmN-TiO2 diagrams suggests that the association of mafic volcanic rocks and ore-bearing dykes of gabbro-dolerites, gabbro-diorites and diorites of the Voznesensky deposit was formed in the back-arc basin of the Late Ems frontal island arc.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>Южный Урал</kwd><kwd>золоторудное месторождение</kwd><kwd>толеитовые базальты</kwd><kwd>дайки</kwd><kwd>геодинамическая позиция</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Southern Urals</kwd><kwd>gold ore deposit</kwd><kwd>tholeiitic basalts</kwd><kwd>dykes</kwd><kwd>geodynamic position</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена в рамках программы государственного заказа ИГ УФИЦ РАН № FMRS-2022-0011. Использовалось оборудование ЦКП «Геоаналитик» ИГГ УрО РАН, дооснащение и комплексное развитие которого осуществляется при финансовой поддержке гранта Министерства науки и высшего образования Российской Федерации (соглашение № 075-15-2021-680)</funding-statement><funding-statement xml:lang="en">The work was carried out within the framework of the state order program IG UFITS RAS No. FMRS-2022-0011. The equipment of the «Geoanalitik» shared research facilities of the IGG UB RAS was used, the re-equipment and comprehensive development of which is financially supported by the grant of the Ministry of Science and higher Education of the Russian Federation (Agreement No. 075-15-2021-680)</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">Анисимов И.С., Сопко Л.Н., Ямаев Ф.А. и др. 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