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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">10.24930/1681-9004-2019-19-4-558-579</article-id><article-id custom-type="elpub" pub-id-type="custom">litosphere-1193</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>Геохимия марганценосных отложений палеовулканогенных комплексов Южного Урала</article-title><trans-title-group xml:lang="en"><trans-title>Geochemistry of manganese deposits of paleovolcanic belt of the Southern Urals</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>Брусницын</surname><given-names>А. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Brusnitsyn</surname><given-names>A. I.</given-names></name></name-alternatives><bio xml:lang="ru"/><bio xml:lang="en"><p>Аleksey I. Brusnitsyn</p><p>7/9 Universitetskaya nab., St. Petersburg, 199034</p></bio><email xlink:type="simple">brusspb@yandex.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>Летникова</surname><given-names>Е. Ф.</given-names></name><name name-style="western" xml:lang="en"><surname>Letnikova</surname><given-names>E. F.</given-names></name></name-alternatives><bio xml:lang="ru"/><bio xml:lang="en"><p>Еlena F. Letnikova</p><p>3 prosp. Acad. Koptyuga Novosibirsk, 630090</p></bio><email xlink:type="simple">efletnik@igm.nsk.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Жуков</surname><given-names>И. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Zhukov</surname><given-names>I. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>456317, Челябинская область, Миасс; 456304, Челябинская область, Миасс, ул. 8 Июля, 10а</p></bio><bio xml:lang="en"><p>Igor G. Zhukov</p><p>Miass, Chelyabinsk district, 456317; 10a ul. 8 Iyulya, Miass, Chelyabinsk district, 456304</p></bio><email xlink:type="simple">igorzhukov2009@yandex.ru</email><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Санкт-Петербургский государственный университет, Институт наук о Земле</institution><country>Россия</country></aff><aff xml:lang="en"><institution>St. Petersburg State University, Institute of Earth Sciences</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Институт геологии и минералогии, СО РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Institute of Geology and Mineralogy, Siberian Branch of the Russian Academy of Science</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Институт минералогии ЮУ ФНЦМиГ, УрО РАН; Южно-Уральский государственный университет, филиал в г. Миассе</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Institute of Mineralogy SUFRC MG UB RAS; Branch of the South Urals State University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2019</year></pub-date><pub-date pub-type="epub"><day>10</day><month>09</month><year>2019</year></pub-date><volume>19</volume><issue>4</issue><fpage>558</fpage><lpage>579</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Брусницын А.И., Летникова Е.Ф., Жуков И.Г., 2019</copyright-statement><copyright-year>2019</copyright-year><copyright-holder xml:lang="ru">Брусницын А.И., Летникова Е.Ф., Жуков И.Г.</copyright-holder><copyright-holder xml:lang="en">Brusnitsyn A.I., Letnikova E.F., Zhukov I.G.</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/1193">https://www.lithosphere.ru/jour/article/view/1193</self-uri><abstract><sec><title>Объект исследований</title><p>Объект исследований. В статье рассмотрены особенности геохимии марганцевых отложений, приуроченных к девонским палеовулканогенным комплексам Магнитогорского пояса на Южном Урале.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. Исследования проведены на материале пяти месторождений: Кызыл-Таш, Казган-Таш, Кожаевское, Биккуловское и Южно-Файзулинское. Определение содержаний главных элементов выполнено рентгеноспектральным флуоресцентным методом, редких и редкоземельных элементов - методом ICP-MS.</p></sec><sec><title>Результаты</title><p>Результаты. Показано, что значения индикаторных литохимических модулей в марганцевых породах сопоставимы с аналогичными величинами в современных металло- и рудоносных осадках, образующихся с участием гидротермального вещества. Марганцевые породы характеризуются низкими содержаниями редкоземельных элементов, наличием в их спектре отрицательной цериевой аномалии и незначительным преобладанием тяжелых лантаноидов над легкими. По конфигурации спектров РЗЭ изученные породы близки к современным железомарганцевым отложениям гидротермального генезиса.</p></sec><sec><title>Выводы</title><p>Выводы. Наиболее вероятным источником Li, Be, Sc, Cr, Rb, Zr, Nb, Hf и Th в марганценосных отложениях служил обломочный материал фоновых осадков, а для Co, Ni, Ge, As, Mo и Sb, доля которых заметно выше, чем в обломочной составляющей отложений, поставщиком были гидротермальные растворы. Для остальных редких элементов ситуация менее определенная, они могли поступать в осадок разными путями. В целом по особенностям распределения главных, редких и редкоземельных элементов марганцевые породы Южного Урала сопоставимы с отложениями низкотемпературных гидротермальных источников, развитых в пределах островодужных систем современного океана. Эти сведения хорошо согласуются с существующими представлениями о гидротермальноосадочном происхождении марганцевых месторождений Южного Урала и дополняют обоснование этой гипотезы новыми, полученными независимыми способами, данными.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Research subject</title><p>Research subject. This article is devoted to the geochemistry of manganese deposits referred to the Devonian paleovolcanic complexes of the Magnitogorsk belt in the Southern Urals.</p></sec><sec><title>Materials and methods</title><p>Materials and methods. A series of studies was conducted using materials collected from the Kyzyl-Tash, Kazgan-Tash, Kozhayevskoye, Bikkulovskoye and Southern Fayzuinskoye deposits. The content of main elements and rare-earth elements was determined using the X-ray spectral fluorescent and ICP-MS methods, respectively.</p></sec><sec><title>Results</title><p>Results. It is shown that the values of indicator lithochemical modules in the manganese rocks under study are comparable to those in the modern metal- and ore-bearing sediments. The manganese rocks are characterized by low concentrations of rare-earth elements, as well as by a negative Ce anomaly (Ce/Ce* = 0.20-0.85) in their spectrum and an insignificant prevalence of heavy lanthanides over light ones. In terms of the REE spectrum configuration, the rocks under study are close to modern ferromanganese deposits of a hydrothermal genesis.</p></sec><sec><title>Conclusion</title><p>Conclusion. The most probable source of Li, Be, Sc, Cr, Rb, Zr, Nb, Hf and Th in the manganese deposits was the detrital material of background sediments. Co, Ni, Ge, As, Mo and Sb, which concentration in the studied rocks is higher compared to that in the detrital component, are most likely to have been produced by hydrothermal solutions. Other rare elements could have been brought into the sediments through different routes. In general, according to the distribution of main, rare and rare-earth elements, the manganese rocks in the Southern Urals are comparable to the deposits of low-temperature hydrothermal sources, which developed within the arc system of the modern ocean. Our findings agree well with the concept of the hydrothermal-sedimentary origin of manganese deposits in the Southern Urals, thus supplementing this hypothesis by the data obtained using independent sources.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>марганцевые отложения</kwd><kwd>металлоносные осадки</kwd><kwd>геохимические индикаторы рудогенеза</kwd><kwd>Магнитогорский палеовулканический пояс</kwd></kwd-group><kwd-group xml:lang="en"><kwd>manganese deposits</kwd><kwd>metal-bearing sediments</kwd><kwd>geochemical indicators</kwd><kwd>Magnitogorsk paleovolcanic belt Acknowledgements</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Исследования поддержаны РФФИ (проект № 16-05-00227). Работы выполнены в рамках государственной бюджетной темы Института минералогии ЮУ ФНЦ МиГ УрО РАН. Статья подготовлена при поддержке Правительства РФ (Постановление № 211 от 16.03.2013 г., соглашение № 02. A03.21.0011)</funding-statement><funding-statement xml:lang="en">This work was supported by the Russian Foundation for Basic research (project no. 16-05-00227) and fulfilled under the state-financed project of the Institute of Mineralogy SU FRC MG UB RAS. This paper was supported by the Government of the Russian Federation</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">Аникеева Л.И., Казакова В.Е., Гавриленко Г.М., Рашидов В.А. (2008) Железо-марганцевые корковые образования западно-тихоокеанской переходной зоны. Вестн. КРАУНЦ. Науки о Земле, (11), 10-31.</mixed-citation><mixed-citation xml:lang="en">Anikeeva L.I., Kozakova V.E., Gavrilenko G.M., Rashi-dov V.A. (2008) Ferromanganese crusts of the West Pacific transitional area. Vestn. KRAUNTs. Nauki o Zemle, (11), 10-31. 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