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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">gtcrust</journal-id><journal-title-group><journal-title xml:lang="ru">Геодинамика и тектонофизика</journal-title><trans-title-group xml:lang="en"><trans-title>Geodynamics &amp; Tectonophysics</trans-title></trans-title-group></journal-title-group><issn pub-type="epub">2078-502X</issn><publisher><publisher-name>Institute of the Earth's crust of the Russian Academy of Sciences, Siberian Branch</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.5800/GT-2019-10-4-0446</article-id><article-id custom-type="elpub" pub-id-type="custom">gtcrust-935</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>ПАЛЕОГЕОДИНАМИКА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>PALEOGEODYNAMICS</subject></subj-group></article-categories><title-group><article-title>ВЕНД‐РАННЕКЕМБРИЙСКИЕ ГРАНИТЫ КРУТОРЕЧЕНСКОГО КОМПЛЕКСА (ПРИСАЛАТИМСКАЯ ЗОНА, СЕВЕРНЫЙ УРАЛ): ВОЗРАСТ ПРОТОЛИТА, ГЕОДИНАМИЧЕСКИЕ УСЛОВИЯ ОБРАЗОВАНИЯ И ПРЕОБРАЗОВАНИЯ</article-title><trans-title-group xml:lang="en"><trans-title>VENDIAN – EARLY CAMBRIAN GRANITES OF THE KRUTORECHENSKY COMPLEX (NORTHERN URALS, RUSSIA): PROTOLITH AGE, GEODYNAMIC CONDITIONS OF GENERATION AND TRANSFORMATION</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-8020-0904</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Коровко</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Korovko</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>канд. геол.-мин. наук, с.н.с.,</p><p>620016, Екатеринбург, ул. Академика Вонсовского, 15</p></bio><bio xml:lang="en"><p>Candidate of Geology and Mineralogy, Senior Researcher,</p><p>15 Akademik Vonsovsky street, Yekaterinburg 620016</p></bio><email xlink:type="simple">Korovko@igg.uran.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-0587-8416</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Шардакова</surname><given-names>Г. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Shardakova</surname><given-names>G. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>канд. геол.-мин. наук, в.н.с.,</p><p>620016, Екатеринбург, ул. Академика Вонсовского, 15 </p><p>shardakovagalina@mail.ru</p></bio><bio xml:lang="en"><p>Candidate of Geology and Mineralogy, Lead Researcher,</p><p>15 Akademik Vonsovsky street, Yekaterinburg 620016</p></bio><email xlink:type="simple">shardakova@igg.uran.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-8644-0132</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Пучков</surname><given-names>В. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Puchkov</surname><given-names>V. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>докт. геол.-мин. наук, член-корреспондент РАН, г.н.с.,</p><p>620016, Екатеринбург, ул. Академика Вонсовского, 15</p></bio><bio xml:lang="en"><p>Doctor of Geology and Mineralogy, Corresponding Member of RAS, Chief Researcher,</p><p>15 Akademik Vonsovsky street, Yekaterinburg 620016</p></bio><email xlink:type="simple">puchkv@ufaras.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5237-6614</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Хубанов</surname><given-names>В. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Khubanov</surname><given-names>V. B.</given-names></name></name-alternatives><bio xml:lang="ru"><p>канд. геол.-мин. наук, с.н.с., 670047, Улан-Удэ, ул. Сахьяновой, 6а;</p><p>670000, Улан-Удэ, ул. Смолина, 24а</p></bio><bio xml:lang="en"><p>Candidate of Geology and Mineralogy, Senior Researcher, 6a Sakhyanova street, Ulan-Ude 670047;</p><p>24a Smolin street, Ulan-Ude 670000</p></bio><email xlink:type="simple">khubanov@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт геологии и геохимии им. академика А.Н. Заварицкого УрО РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>A.N. Zavaritsky Institute of Geology and Geochemistry, Ural Branch of RAS</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Геологический институт СО РАН;&#13;
Бурятский государственный университет им. Д. Банзарова</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Geological Institute, Siberian Branch of RAS;&#13;
D. Banzarov Buryat 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>09</day><month>12</month><year>2019</year></pub-date><volume>10</volume><issue>4</issue><fpage>863</fpage><lpage>878</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Коровко А.В., Шардакова Г.Ю., Пучков В.Н., Хубанов В.Б., 2019</copyright-statement><copyright-year>2019</copyright-year><copyright-holder xml:lang="ru">Коровко А.В., Шардакова Г.Ю., Пучков В.Н., Хубанов В.Б.</copyright-holder><copyright-holder xml:lang="en">Korovko A.V., Shardakova G.Y., Puchkov V.N., Khubanov V.B.</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.gt-crust.ru/jour/article/view/935">https://www.gt-crust.ru/jour/article/view/935</self-uri><abstract><p>Строение зоны Главного Уральского разлома (ГУР) – шовной (сутурной) области на стыке Урала и Восточно‐Европейской платформы – до сих пор изучено довольно слабо, поскольку она является сложно построенным тектоническим меланжем. Нами получены новые данные о составе и возрасте гранитов крутореченского комплекса (КГК), слагающих интенсивно тектонизированное и будинированное удлиненное тело среди метатерригенных и метавулканогенных пород в западной части зоны ГУР. По химическому составу граниты сходны с венд‐кембрийскими коллизионными гранитоидами Ишеримского и Ляпинского блоков. Методом LA‐ICP‐MS получен U‐Pb возраст цирконов из гранитов КГК. В цирконах присутствуют древние ксеногенные ядра (1221–1034 млн лет) и молодые каймы (400±6 млн лет). Среднерифейские датировки в цирконах, заимствованных из протолита, позволяют предполагать, что блок, сложенный гранитами КГК, относящийся к Присалатимской зоне и расположенный западнее ГУР, может быть фрагментом ВЕП, поскольку в комплексах ордовикско‐девонской Тагильской палеоостровной дуги, находящейся восточнее, наиболее часто встречающийся возраст субстрата преимущественно вендский. Возраст кристаллизации гранитов КГК (537±2 млн лет) – это практически первая (венд) раннекембрийская датировка для гранитов в контурах зоны ГУР. Данный возраст и петрогеохимические особенности указывают на генерацию гранитов КГК в ходе тектоно‐магматических событий завершающего этапа Тиманской коллизии подобно гранитам западного склона Северного Урала (Мойвинский, Посьмакский, Велсовский массивы), возможно, при участии плюма. Впоследствии граниты КГК были вовлечены в палеозойские аккреционно‐коллизионные процессы, создавшие современный облик зоны ГУР (тектонический меланж). Результаты важны для уточнения строения зоны сочленения Урала с ВЕП, применяются для целей геологического картирования и металлогенических оценок.</p></abstract><trans-abstract xml:lang="en"><p>The Main Uralian fault (MUF) zone is a suture at the junction of the Urals and the East European platform (EEP). Its complex tectonic melange is still poorly studied. We obtained new data on compositions and ages of the Krutorechensky granites (KG) composing an intensely tectonized and boudinaged elongated body discovered in meta‐ terrigenous and meta‐volcanogenic rocks in the western part of the MUF zone. In chemical composition, these gra‐ nites are similar to the Vendian‐Cambrian collisional granitoids of the Isherim and Lyapin blocks. The LA‐ICP‐MS method was used to determine U‐Pb zircon ages for the KG samples. The zircons contain ancient xenogenic cores (1221–1034 Ma) and young rims (400±6 Ma). The Middle Riphean ages of zircons from the protolith suggest that the KG block (belonging to the Prisalatim zone and located west of the MUF zone) is a fragment of the EEP, because the complexes of the Ordovician‐Devonian Tagil paleo‐island arc (located further eastward) are mostly dated to the Ven‐ dian. The KG crystallization age (537±2 Ma) is practically the first (Vendian) early Cambrian dating for the granites sampled in the MUF zone. Considering this age and the petrogeochemical features, there are grounds to suggest that the Krutorechensky granites originated due to tectonic‐magmatic events (with possible pluming) that took place at the final stage of the Timan collision, similar to granites of the western slope of the Northern Urals (Moiva, Posmak and Velsov massifs). Subsequently, these granites were involved in the Paleozoic accretion‐collision processes that created the modern MUF zone (i.e. tectonic melange). Our study results are important for clarifying the structure of the Urals‐EEP junction zone and useful for geological mapping and metallogenic assessment of the region.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>Главный Уральский разлом</kwd><kwd>аккреция</kwd><kwd>гранит</kwd><kwd>циркон</kwd><kwd>венд</kwd><kwd>кембрий</kwd><kwd>тиманская коллизия</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Main Uralian fault (MUF)</kwd><kwd>accretion</kwd><kwd>granite</kwd><kwd>zircon</kwd><kwd>Vendian</kwd><kwd>Cambrian</kwd><kwd>Timan collision</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Авторы глубоко благодарны безвременно ушедшей из жизни С.И. Нестеровой (ИГГ УрО РАН) за неоценимую помощь при обработке проб и выделении монофракций минералов. Работа выполнена в рамках фундаментальных исследований ИГГ УрО РАН (№ гос. рег. АААА-А18-118052590029-6) и ГИН СО РАН (базовый проект IX.129.1.2., № гос. рег. 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