首页> 外文期刊>Journal of geodynamics >Late Paleozoic - Mesozoic tectonic evolution of the Eastern Taimyr-Severnaya Zemlya Fold and Thrust Belt and adjoining Yenisey-Khatanga Depression
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Late Paleozoic - Mesozoic tectonic evolution of the Eastern Taimyr-Severnaya Zemlya Fold and Thrust Belt and adjoining Yenisey-Khatanga Depression

机译:晚古生代-东部泰米尔-Severnaya Zemlya褶皱和逆冲带以及毗邻的Yenisey-Khatanga凹陷的中生代构造演化

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摘要

Combined structural, thermochronological and geochronological studies were carried out to unravel the complex late Paleozoic - Mesozoic tectonic evolution of the eastern Taimyr - Severnaya Zemlya Fold and Thrust Belt, along with the adjoining Yenisey-Khatanga Depression and Olenek Fold Zone. New detailed field mapping, a fault and fold geometry and kinematic study, and paleostress reconstruction were undertaken for key areas within the Central and Southern Taimyr domains and the Olenek Fold Zone. Thirty seven samples were used for apatite fission track (AFT) analysis along with two samples for U-Pb zircon granite dating, and three samples for Ar-Ar metamorphic muscovite dating.
机译:进行了组合的结构,热年代学和地球年代学研究,以揭示泰米尔东部-Severnaya Zemlya褶皱和逆冲带的复杂的晚古生代-中生代构造演化,以及毗邻的Yenisey-Khatanga凹陷和Olenek褶皱带。在泰米尔地区的中部和南部以及奥列尼克褶皱带的关键地区进行了新的详细现场测绘,断层和褶皱的几何学,运动学研究以及古应力重建。 37个样品用于磷灰石裂变径迹(AFT)分析,两个样品用于U-Pb锆石花岗岩定年,三个样品用于Ar-Ar变质白云母定年。

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