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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">uzakuesc</journal-id><journal-title-group><journal-title xml:lang="ru">Ученые записки Казанского университета. Серия Естественные науки</journal-title><trans-title-group xml:lang="en"><trans-title>Uchenye Zapiski Kazanskogo Universiteta Seriya Estestvennye Nauki</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2542-064X</issn><issn pub-type="epub">2500-218X</issn><publisher><publisher-name>Kazan (Volga Region) Federal University</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.26907/2542-064X.2023.4.664-687</article-id><article-id custom-type="elpub" pub-id-type="custom">uzakuesc-45</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></article-categories><title-group><article-title>Позднекунгурский радиоизотопный возраст границы между балахонской и кольчугинской сериями Кузнецкого бассейна (Западная Сибирь, Россия) – дополнительное обоснование валидности уфимского яруса Восточно-Европейской шкалы пермской системы</article-title><trans-title-group xml:lang="en"><trans-title>Late Kungurian Radioisotope Age of the Boundary Between the Balakhonka and Kolchugino Groups in the Kuznetsk Basin (Western Siberia, Russia) – Additional Evidence for the Validity of the Ufimian Stage of the East European Permian</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>Силантьев</surname><given-names>В. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Silantiev</surname><given-names>V. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Силантьев Владимир Владимирович, доктор геолого-минералогических наук, доцент, заведующий кафедрой палеонтологии и стратиграфии</p><p>ул. Кремлевская, д. 18, г. Казань, 420008; ул. Шарофа Рашидова, д. 295, г. Джизак, 130000, Республика Узбекистан</p></bio><bio xml:lang="en"><p>Kazan, 420008 Russia; Jizzakh, 130000 Republic of Uzbekistan</p></bio><email xlink:type="simple">Vladimir.Silantiev@kpfu.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>Гутак</surname><given-names>Я. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Gutak</surname><given-names>Ya. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Гутак Ярослав Михайлович, доктор геолого-минералогических наук, профессор, заведующий кафедрой геологии, геодезии и безопасности жизнедеятельности Института горного дела и геосистем; инженер Института геологии и нефтегазовых технологий КФУ</p><p>ул. Кирова, д. 42, г. Новокузнецк, 654007; ул. Кремлевская, д. 18, г. Казань, 420008</p></bio><bio xml:lang="en"><p>Kazan, 420008 Russia; Novokuznetsk, 654007 Russia </p></bio><email xlink:type="simple">gutakjaroslav@yandex.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>Тихомирова</surname><given-names>М.</given-names></name><name name-style="western" xml:lang="en"><surname>Tichomirowa</surname><given-names>M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Тихомирова Марион, доктор наук, заведующая лабораториями изотопной геохимии и геохронологии Института геологии</p><p>Академиштрассе, д. 6, г. Фрайберг, 09599, Германия</p></bio><bio xml:lang="en"><p>Freiberg, 09599 Germany</p></bio><email xlink:type="simple">marion.tichomirowa@mineral.tu-freiberg.de</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кесснер</surname><given-names>А.</given-names></name><name name-style="western" xml:lang="en"><surname>Käßner</surname><given-names>A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кесснер Александра, кандидат наук, ассистент лаборатории изотопной геохимии и геохронологии Института геологии </p><p>Академиштрассе, д. 6, г. Фрайберг, 09599, Германия</p></bio><bio xml:lang="en"><p>Freiberg, 09599 Germany</p></bio><email xlink:type="simple">alexandra.kaessner@mineral.tu-freiberg.de</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Пороховниченко</surname><given-names>Л. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Porokhovnichenko</surname><given-names>L. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Пороховниченко Любовь Георгиевна, кандидат геолого-минералогических наук, инженер-исследователь лаборатории микропалеонтологии; ведущий инженер Института геологии и нефтегазовых технологий КФУ</p><p>пр. Ленина, д. 36, г. Томск, 634050; ул. Кремлевская, д. 18, г. Казань, 420008</p></bio><bio xml:lang="en"><p>Kazan, 420008 Russia; Tomsk, 634050 Russia</p><p> </p></bio><email xlink:type="simple">plg@t-sk.ru</email><xref ref-type="aff" rid="aff-4"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Карасев</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Karasev</surname><given-names>E. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Карасев Евгений Владимирович, кандидат биологических наук, старший научный сотрудник лаборатории палеоботаники; старший научный сотрудник Института геологии и нефтегазовых технологий КФУ</p><p>ул. Профсоюзная, д. 123, г. Москва, 117997; ул. Кремлевская, д. 18, г. Казань, 420008</p></bio><bio xml:lang="en"><p>Kazan, 420008 Russia; Moscow, 117997 Russia</p></bio><email xlink:type="simple">karasev@paleo.ru</email><xref ref-type="aff" rid="aff-5"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Фелькер</surname><given-names>А. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Felker</surname><given-names>A. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Фелькер Анастасия Сергеевна, кандидат геолого-минералогических наук, младший научный сотрудник лаборатории артропод; младший научный сотрудник Института геологии и нефтегазовых технологий КФУ</p><p>ул. Профсоюзная, д. 123, г. Москва, 117997; ул. Кремлевская, д. 18, г. Казань, 420008</p></bio><bio xml:lang="en"><p>Kazan, 420008 Russia; Moscow, 117997 Russia</p></bio><email xlink:type="simple">lab@palaeoentomolog.ru</email><xref ref-type="aff" rid="aff-5"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Уразаева</surname><given-names>М. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Urazaeva</surname><given-names>M. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Уразаева Миляуша Назимовна, кандидат геолого-минералогических наук, доцент кафедры палеонтологии и стратиграфии Института геологии и нефтегазовых технологий</p><p>ул. Кремлевская, д. 18, г. Казань, 420008</p><p> </p></bio><bio xml:lang="en"><p>Kazan, 420008 Russia</p></bio><email xlink:type="simple">Milyausha.Urazaeva@kpfu.ru</email><xref ref-type="aff" rid="aff-6"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Жаринова</surname><given-names>В. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Zharinova</surname><given-names>V. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Жаринова Вероника Владимировна, кандидат геолого-минералогических наук, старший преподаватель кафедры палеонтологии и стратиграфии Института геологии и нефтегазовых технологий</p><p>ул. Кремлевская, д. 18, г. Казань, 420008</p></bio><bio xml:lang="en"><p>Kazan, 420008 Russia</p></bio><email xlink:type="simple">VeVZharinova@kpfu.ru</email><xref ref-type="aff" rid="aff-6"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">Казанский (Приволжский) федеральный университет; &#13;
Филиал Казанского (Приволжского) федерального университета в городе Джизак<country>Россия</country></aff><aff xml:lang="en">Kazan Federal University; Branch of Kazan Federal University in the city of Jizzakh<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru">Казанский (Приволжский) федеральный университет; &#13;
Сибирский государственный индустриальный университет<country>Россия</country></aff><aff xml:lang="en">Kazan Federal University; &#13;
Siberian State Industrial University<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru">Технический университет Фрайбергской горной академии<country>Германия</country></aff><aff xml:lang="en">Technische Universität Bergakademie Freiberg<country>Germany</country></aff></aff-alternatives><aff-alternatives id="aff-4"><aff xml:lang="ru">Казанский (Приволжский) федеральный университет; &#13;
Томский государственный университет<country>Россия</country></aff><aff xml:lang="en">Kazan Federal University; &#13;
Tomsk State University<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-5"><aff xml:lang="ru">Казанский (Приволжский) федеральный университет; &#13;
Палеонтологический институт им. А.А. Борисяка РАН<country>Россия</country></aff><aff xml:lang="en">Kazan Federal University; &#13;
Borissiak Paleontological Institute, Russian Academy of Sciences<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-6"><aff xml:lang="ru">Казанский (Приволжский) федеральный университет<country>Россия</country></aff><aff xml:lang="en">Kazan Federal University<country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>10</day><month>01</month><year>2024</year></pub-date><volume>165</volume><issue>4</issue><fpage>664</fpage><lpage>687</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Силантьев В.В., Гутак Я.М., Тихомирова М., Кесснер А., Пороховниченко Л.Г., Карасев Е.В., Фелькер А.С., Уразаева М.Н., Жаринова В.В., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Силантьев В.В., Гутак Я.М., Тихомирова М., Кесснер А., Пороховниченко Л.Г., Карасев Е.В., Фелькер А.С., Уразаева М.Н., Жаринова В.В.</copyright-holder><copyright-holder xml:lang="en">Silantiev V.V., Gutak Y.M., Tichomirowa M., Käßner A., Porokhovnichenko L.G., Karasev E.V., Felker A.S., Urazaeva M.N., Zharinova V.V.</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://uzakuesc.elpub.ru/jour/article/view/45">https://uzakuesc.elpub.ru/jour/article/view/45</self-uri><abstract><p>В статье обсуждается позднекунгурский радиоизотопный возраст (276.9 ± 0.4 млн лет) средней части старокузнецкой свиты (кузнецкая подсерия, кольчугинская серия) Кузнецкого бассейна, полученный высокоточным методом термической ионизационной масс-спектрометрии с разбавлением изотопов и химическим истиранием (Chemical-Abrasion Isotope-Dilution Thermal Ionisation Mass Spectrometry, CA-ID-TIMS). Анализ биостратиграфических данных подтвердил принадлежность датированного уровня интервалу, в котором балахонская (кордаитовая) флора сменяется кольчугинской (папоротниково-птеридоспермо-кордаитовой) флорой. Таким образом, сделан вывод о том, что смена балахонской флоры на кольчугинскую в низких широтах Ангариды произошла в позднем кунгуре. Полученные данные дают возможность напрямую сопоставить нижнюю часть кольчугинской серии с верхним кунгуром Международной хроностратиграфической шкалы. Сходные последовательности сообществ неморских двустворок в пермских разрезах Ангариды (гигантские Prokopievskia, Khosedaella–Redikorella– Palaeomutela, доминирующие Palaeomutela) и Восточной Европы (гигантские Sinomya, Palaeomutela–Khosedaella–Redikorella, доминирующие Palaeomutela) подтверждают обоснованность корреляции кузнецкой подсерии с уфимским ярусом. Положение нижней границы кольчугинской группы в верхней половине кунгурского яруса Международной хроностратиграфической шкалы ставит вопрос о сохранении уфимского яруса в качестве самостоятельного стратона в Общей стратиграфической шкале России. Нижняя его граница совпадает с началом смены балахонской и кольчугинской флор в низких широтах Ангариды, а также с фаунистическими обменами еврамерийских и ангарских сообществ неморских двустворок.</p></abstract><trans-abstract xml:lang="en"><p>This article discusses the Late Kungurian radioisotopic age (276.9 ± 0.4 Ma) of the middle part of the Starokuznetsk Formation (Kuznetsk Subgroup, Kolchugino Group) of the Kuznetsk Basin determined by chemical abrasion–isotope dilution–thermal ionization mass spectrometry (CA-ID-TIMS). The analysis of the biostratigraphic data confirms that the layer dated belongs to the interval in which the Balakhonka Flora (cordaitoid) was replaced by the Kolchugino Flora (fern-pteridosperm-cordaitoid). This indicates that the change from the Balakhonka Flora to the Kolchugino Flora in the low latitudes of Angaraland took place during the Late Kungurian. The data obtained were used for direct correlation of the lower part of the Kolchugino Group with the Upper Kungurian of the International Chronostratigraphic Chart. Similar sequences of non-marine bivalve assemblages in the Permian successions of Angaraland (giant Prokopievskia, Khosedaella-Redikorella-Palaeomutela, and dominant Palaeomutela) and Eastern Europe (giant Sinomya, Palaeomutela-Khosedaella-Redikorella, and dominant Palaeomutela) further support the validity of the correlation of the Kuznetsk Subgroup with the Ufimian Stage. The placement of the lower boundary of the Kolchugino Group in the upper part of the Kungurian Stage of the International Chronostratigraphic Scale raises the question of the continuation of the Ufimian Stage as an independent straton in the East European Stratigraphic Scale. Its lower boundary coincides with the beginning of the change in the Balakhonka and Kolchugino Flora in the low latitudes of Angaraland, as well as with the faunal exchanges between the Euramerican and Angarian non-marine bivalve assemblages.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>Кузнецкий бассейн</kwd><kwd>туфовые прослои</kwd><kwd>U-PB-датирование</kwd><kwd>геохронология</kwd><kwd>биостратиграфия</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Kuznetsk Basin</kwd><kwd>ash beds</kwd><kwd>U-PB dating</kwd><kwd>geochronology</kwd><kwd>biostratigraphy</kwd></kwd-group><funding-group xml:lang="ru"><funding-statement>Биостратиграфические исследования выполнены за счет средств субсидии, выделенной Казанскому федеральному университету для выполнения государственного задания проект № FZSM-2023-0023 в сфере научной деятельности. Радиометрическое датирование проведено за счет гранта Российского научного фонда № 22-77-10045, https://rscf.ru/project/22-77-10045/.</funding-statement></funding-group><funding-group xml:lang="en"><funding-statement>Biostratigraphic studies were funded by the subsidy allocated to Kazan Federal University for the state assignment in the sphere of scientific activities (project no. FZSM-2023-0023). Radiometric dating was supported by the Russian Science Foundation (project no. 22-77-10045, https://rscf.ru/project/22-77-10045/).</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">Davydov V.I., Karasev E.V., Nurgalieva N.G., Schmitz M.D., Budnikov I.V., Biakov A.S., Kuzina D.M., Silantiev V.V., Urazaeva M.N., Zharinova V.V., Zorina S.O., Gareev B.I., Vasilenko D.V. 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