叶尼塞山脊的成冰纪A型花岗岩——西伯利亚克拉通西南缘构造转换的标志

IF 1.2 4区地球科学 Q3 GEOSCIENCES, MULTIDISCIPLINARY

Russian Geology and Geophysics Pub Date : 2023-02-07 DOI:10.2113/rgg20224532

A. Vernikovskaya, V. Vernikovsky, N. Matushkin, P. I. Kadilnikov, M. Wingate, E. Bogdanov, A. Travin

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引用次数: 0

摘要

--我们记录了叶尼塞山脊成冰纪构造转变期间A型花岗岩类岩浆活动的演变，从碰撞后模式到活动大陆边缘发展的早期阶段。我们在Strelka深成岩体侵入体侵位和冷却模型中说明了A型花岗岩类岩浆活动的演化，反映了碰撞后Glushikha杂岩（719–702 Ma）形成期间岩浆活动的最后阶段。这些过程与塔塔尔卡杂岩（711–683 Ma）的地幔、地幔-地壳和地壳岩石的形成同时发生，包括活跃大陆边缘发育早期的Yagodka深成岩体A型花岗岩（711-705 Ma）。在这一构造转换时期，两个汇聚事件都涉及与氧化A型花岗岩相对应的长英质侵入体的连续形成。

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Cryogenian A-type Granites of the Yenisei Ridge – Indicators of Tectonic Transformation in the Southwestern Margin of the Siberian Craton

—We document the evolution of A-type granitoid magmatism during the Cryogenian tectonic transformation of the Yenisei Ridge from a postcollisional mode to the early stage of development of an active continental margin. We illustrate the A-type granitoid magmatism evolution in a model for the emplacement and cooling of the intrusions of the Strelka pluton, reflecting the final stage of magmatism during the formation of the postcollisional Glushikha complex (719–702 Ma). These processes took place at the same time as the formation of mantle, mantle-crustal and crustal rocks of the Tatarka complex (711–683 Ma), including the Yagodka pluton A-type granites (711–705 Ma) during the early stage of active continental margin development. During this period of tectonic transition, both convergent events involved the continuous formation of felsic intrusions corresponding to oxidized A-type granites.

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来源期刊

Russian Geology and Geophysics 地学-地球科学综合

CiteScore

2.00

自引率

18.20%

发文量

审稿时长

4-8 weeks

期刊介绍： The journal publishes original reports of theoretical and methodological nature in the fields of geology, geophysics, and geochemistry, which contain data on composition and structure of the Earth''s crust and mantle, describes processes of formation and general regularities of commercial mineral occurrences, investigations on development and application of geological-geophysical methods for their revealing. As to works of regional nature, accelerated publication are available for original papers on a variety of problems of comparative geology taking into account specific character of Siberia, adjacent Asian countries and water areas. The journal will also publish reviews, critical articles, chronicle of the most important scientific events, and advertisements.