gtcrustГеодинамика и тектонофизикаGeodynamics & Tectonophysics2078-502XInstitute of the Earth's crust of the Russian Academy of Sciences, Siberian Branch10.5800/GT-2026-17-1-0875BQEHOOgtcrust-2206Research ArticleПАЛЕОГЕОДИНАМИКАPALEOGEODYNAMICSНОВЫЕ ИЗОТОПНЫЕ И ПАЛЕОМАГНИТНЫЕ ДАННЫЕ ПО РАННЕКАМЕННОУГОЛЬНОМУ БЕРЕЗОВСКОМУ КОМПЛЕКСУ МАГНИТОГОРСКОЙ ЗОНЫ (ЮЖНЫЙ УРАЛ). СТАТЬЯ 2. ПЕТРОМАГНИТНЫЕ И ПАЛЕОМАГНИТНЫЕ ИССЛЕДОВАНИЯ И ИХ КИНЕМАТИЧЕСКИЕ СЛЕДСТВИЯNEW ISOTOPIC AND PALAEOMAGNETIC DATA ON THE EARLY CARBONIFEROUS BEREZOVKA COMPLEX OF THE MAGNITOGORSK ZONE (SOUTHERN URALS). ARTICLE 2. ROCK MAGNETIC AND PALAEOMAGNETIC STUDIES AND THEIR KINEMATIC IMPLICATIONShttps://orcid.org/0000-0001-5605-9261ПравиковаН. В.PravikovaN. V.

119991, Москва, Ленинские горы, 1

1 Leninskie Gory, Moscow 119991

npravikova@mail.ruhttps://orcid.org/0000-0002-8840-0978КазанскийА. Ю.KazanskyA. Yu.

119017, Москва, Пыжевский пер., 7, стр. 1

664033, Иркутск, ул. Лермонтова, 128

7-1 Pyzhevsky Ln, Moscow 119017

128 Lermontov St, Irkutsk 664033

https://orcid.org/0009-0002-6223-8666ТевелевА. В.TevelevA. V.

119991, Москва, Ленинские горы, 1

1 Leninskie Gory, Moscow 119991

https://orcid.org/0009-0008-0600-130XКоптевЕ. В.KoptevE. V.

L8S 4L8, Гамильтон, Онтарио

Hamilton, Ontario L8S 4L8

https://orcid.org/0009-0009-2072-2565ШестаковП. А.ShestakovP. A.

119991, Москва, Ленинские горы, 1

1 Leninskie Gory, Moscow 119991

ВолодинаЕ. А.VolodinaE. A.

119991, Москва, Ленинские горы, 1

1 Leninskie Gory, Moscow 119991

ТихвинскаяА. А.TikhvinskayaA. A.

19017, Москва, Старомонетный пер., 31

31 Staromonetny Ln, Moscow 119017

Московский государственный университет им. М.В. ЛомоносоваРоссияLomonosov Moscow State UniversityRussian FederationГеологический институт РАН ; Институт земной коры СО РАНРоссияGeological Institute, Russian Academy of Sciences ; Institute of the Earth’s Crust, Siberian Branch of the Russian Academy of SciencesRussian FederationУниверситет МакМастерКанадаMcMaster UniversityCanadaВсероссийский научно-исследовательский институт минерального сырья им. Н.М. Федоровского, 119017, Москва, Старомонетный пер., 31РоссияAll-Russian Scientific-Research Institute of Mineral Resources named after N.M. FedorovskyRussian Federation202617022026171875875Copyright © Правикова Н.В., Казанский А.Ю., Тевелев А.В., Коптев Е.В., Шестаков П.А., Володина Е.А., Тихвинская А.А., 20262026Правикова Н.В., Казанский А.Ю., Тевелев А.В., Коптев Е.В., Шестаков П.А., Володина Е.А., Тихвинская А.А.Pravikova N.V., Kazansky A.Y., Tevelev A.V., Koptev E.V., Shestakov P.A., Volodina E.A., Tikhvinskaya A.A.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://www.gt-crust.ru/jour/article/view/2206

В цикле статей приведены изотопные и палеомагнитные данные для пород раннекаменноугольного березовского комплекса Магнитогорской зоны. Целью исследования являлось получение первых значений изотопного возраста и создание геодинамических реконструкций на время их формирования по палеомагнитным данным.

В работе приведены петро- и палеомагнитные данные для вулканических пород раннекаменноугольного березовского комплекса Магнитогорской зоны. На основе петромагнитных данных показано, что исследованные породы не претерпели существенных вторичных изменений и сохранили доскладчатую намагниченность. Палеомагнитные полюсы, рассчитанные по направлениям доскладчатой намагниченности, позволили предложить новую кинематическую модель для Магнитогорско-Богдановского грабена, основанную на сдвиговых деформациях в зоне Карабулакского взбросо-сдвига.

A series of articles presents isotopic and palaeomagnetic data for rocks of the Early Carboniferous Berezovka complex of the Magnitogorsk zone. The study had a twofold objective: firstly, to obtain the first isotopic ages and, secondly, to carry out geodynamic reconstructions for the time of formation of the complex based on palaeomagnetic data.

This paper presents the first rock magnetic and palaeomagnetic data for volcanic rocks from the Early Carboniferous Berezovka volcanic complex in the Magnitogorsk zone (Southern Urals). It can be concluded from the rock magnetic data that the studied rocks have not undergone significant secondary alteration and have retained their pre-folding magnetization. Palaeomagnetic poles, calculated from the directions of pre-folding magnetization, made it possible to propose a new kinematic model for the Magnitogorsk-Bogdanovka graben based on shear deformations in the Karabulak reverse-slip zone.

Южный Уралранний карбонвулканизмпетромагнетизмпалеомагнетизмSouthern UralsEarly Carboniferousvolcanismrock magnetismpalaeomagnetismИсследование проведено при поддержке РФФИ (проект № 19-55-26009 Чехия_а, «Урал: уникальная природная лаборатория роста земной коры и сборки суперконтинента»). Исследование А.Ю. Казанского проведено в рамках госзадания Геологического института РАН.This research project was funded by the RFBR (grant №19-55-26009 Чехия_а, "The Urals: an unique natural laboratory of crustal growth and supercontinental assembly"). The study A.Yu. Kazansky was carried out on the state assignment of the Geological Institute of the RAS.ReferencesBachtadse V., Pavlov V.E., Kazansky A.Y., Tait J.A., 2000. Siluro-Devonian Paleomagnetic Results from the Tuva Terrane (Southern Siberia, Russia): Implications for the Paleogeography of Siberia. 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The authors declare that there are no conflicts of interest present.