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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">10.24930/1681-9004-2022-22-4-432-447</article-id><article-id custom-type="elpub" pub-id-type="custom">litosphere-1686</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>Первая находка Skeletognathus norrisi в ассоциации со спорами высших растений и брахиоподами в пограничных живетско-франских отложениях, вскрытых скважиной № 8 Царичанская (Восточно-Оренбургское сводовое поднятие, Русская платформа)</article-title><trans-title-group xml:lang="en"><trans-title>The first finding of Skeletognathus norrisi in association with higher plant spores and brachiopods in the Givetian-Frasnian boundary deposits drilled by borehole No. 8 Tsarichanskaya (East Orenburg uplift, Russian Platform)</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>Артюшкова</surname><given-names>О. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Artyushkova</surname><given-names>O. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>УФИЦ РАН</p><p>Институт геологии</p><p>450077</p><p>ул. Карла Маркса, 16/2</p><p>Уфа</p><p> </p></bio><bio xml:lang="en"><p>Olga V. Artyushkova</p><p>UFRC RAS</p><p>Institute of Geology</p><p>450077</p><p>16/2 Karl Marx st.</p><p>Ufa</p></bio><email xlink:type="simple">stpal@ufaras.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>Тельнова</surname><given-names>О. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Telnova</surname><given-names>O. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>УрО РАН</p><p>Коми НЦ</p><p>Институт геологии</p><p>167982</p><p>ул. Первомайская, 54</p><p>Сыктывкар</p></bio><bio xml:lang="en"><p>Olga P. Telnova</p><p>UB RAS</p><p>Komi SC</p><p>Institute of Geology</p><p>167982</p><p>54 Pervomaiskaya st.</p><p>Syktyvkar</p></bio><email xlink:type="simple">telnova@geo.komisc.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>Мизенс</surname><given-names>Л. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Mizens</surname><given-names>L. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>УрО РАН</p><p>Институт геологии и геохимии</p><p>620110</p><p>ул. Акад. Вонсовского, 15</p><p>Екатеринбург</p></bio><bio xml:lang="en"><p>Larisa I. Mizens</p><p>UB RAS</p><p>A. N. Zavaritsky Institute of Geology and Geochemistry</p><p>620110</p><p>15 Akad. Vonsovsky st.</p><p>Ekaterinburg</p></bio><email xlink:type="simple">mizensli@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>Мизенс</surname><given-names>А. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Mizens</surname><given-names>A. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>УрО РАН</p><p>Институт геологии и геохимии</p><p>620110</p><p>ул. Акад. Вонсовского, 15</p><p>Екатеринбург</p></bio><bio xml:lang="en"><p>Anita G. Mizens</p><p>UB RAS</p><p>A. N. Zavaritsky Institute of Geology and Geochemistry</p><p>620110</p><p>15 Akad. Vonsovsky st.</p><p>Ekaterinburg</p></bio><email xlink:type="simple">mizensag@igg.uran.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>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>01</day><month>09</month><year>2022</year></pub-date><volume>22</volume><issue>4</issue><fpage>432</fpage><lpage>447</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Артюшкова О.В., Тельнова О.П., Мизенс Л.И., Мизенс А.Г., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Артюшкова О.В., Тельнова О.П., Мизенс Л.И., Мизенс А.Г.</copyright-holder><copyright-holder xml:lang="en">Artyushkova O.V., Telnova O.P., Mizens L.I., Mizens A.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/1686">https://www.lithosphere.ru/jour/article/view/1686</self-uri><abstract><sec><title>   Объект исследования</title><p>   Объект исследования. Позднеживетские-раннефранские брахиоподы, конодонты, споры высших растений.   Материал и методы. В основе работы лежит биостратиграфический метод: определение таксономического состава комплексов фауны и флоры, обоснование возраста вмещающих пород и корреляция. Изучены брахиоподы, конодонты и споры высших растений в верхнеживетском-нижнефранском разрезе, вскрытом скв. № 8 Царичанская (интервал 3637.00–3647.00 м). Для обработки проб спор была использована усовершенствованная методика И. Х. Шумилова и О. П. Тельновой, позволившая качественно расширить палиноспектры.</p></sec><sec><title>   Результаты</title><p>   Результаты. В разрезе выявлен комплекс конодонтов со Skeletognathus norrisi (Uyeno) – зональным видом самой верхней зоны живетского яруса в Международной стратиграфической схеме девона. В ассоциации с конодонтами диагностированы брахиоподы и споры высших растений, характерные для верхней части тиманского горизонта. Результаты изучения фоссилий из керна скв. № 8 Царичанская дополняют характеристику пограничного интервала среднего-верхнего девона (D2-D3) на Русской платформе и подтверждают более широкий диапазон стратиграфического распространения зонального вида Skeletognathus norrisi, включая верхнетиманский подгоризонт.</p></sec><sec><title>   Выводы</title><p>   Выводы. Фоссилии морских и наземных организмов, выделенные из одних и тех же вмещающих пород, позволили дать комплексную палеонтологическую характеристику верхнетиманского подгоризонта, в котором рассматривается один из вариантов границы D2-D3, и выполнить межрегиональные корреляции разнофациальных отложений.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>   Research subject</title><p>   Research subject. Late Givetian-Early Frasnian brachiopods, conodonts and spores of higher plants from the Timan Horizon of borehole No. 8 Tsarichankaya.</p></sec><sec><title>   Material and methods</title><p>   Material and methods. The biostratigraphical me thod was used to isolate fossils and to determine the taxonomic compositions of brachiopods, conodonts and higher plant spores from deposits drilled by borehole No. 8 Tsarichanskaya (interval 3637.00–3647.00 m), to substantiate their age and carry out a correlation. An improved technique of I. Kh. Shumilov and O. P. Telʼnova was used when proces sing spore samples.</p></sec><sec><title>   Results</title><p>   Results. The uppermost Givetian zonal species Skeletognathus norrisi (Uyeno) was identified. Brachiopods and higher plant spores in association with conodonts are typical for the Upper Timan Subhorizon. The results obtained clarify the paleontological characteristics of the Givetian–Frasnian boundary interval on the Russian platform. The findings indicate a wider range of the Skeletognathus norrisi stratigraphical distribution (the latest Givetian–Early Frasnian), including the Upper Timan Subhorizon.</p></sec><sec><title>   Conclusions</title><p>   Conclusions. The marine and terrestrial fossils isolated from the same rock samples allowed the authors to provide a complex paleontological characteristic of the Upper Тiman Subhorizon, which is considered as being a variant of the D2-D3 boundary. It is significant for interregional correlations of different facies deposits.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>биостратиграфия</kwd><kwd>живетский и франский ярусы</kwd><kwd>средний и верхний девон</kwd><kwd>тиманский горизонт</kwd><kwd>Русская платформа</kwd><kwd>конодонты</kwd><kwd>брахиоподы</kwd><kwd>споры высших растений</kwd></kwd-group><kwd-group xml:lang="en"><kwd>biostratigraphy</kwd><kwd>Givetian and Frasnian stages</kwd><kwd>Middle and Upper Devonian</kwd><kwd>Timan Horizon</kwd><kwd>Russian platform</kwd><kwd>conodonts</kwd><kwd>brachiopods</kwd><kwd>spores</kwd></kwd-group><funding-group><funding-statement xml:lang="en">The work was conducted with partial financial support from the RFBR grant No. 20-05-00445 and within framework of State assignment FMRS-2022-0010 (UFRC RAS) and No. AAAA-A18-118052590032-6 (IGG UB RAS)</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">Бардашев И. 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