globalchange  > 气候变化与战略
DOI: 10.1016/j.tecto.2020.228371
论文题名:
Jurassic intracontinental deformation of the central North China Plate: Insights from syn-tectonic sedimentation, structural geology, and U[sbnd]Pb geochronology of the Yungang Basin, North China
作者: Zhang Y.; Shi W.; Dong S.; Wang T.; Yang Q.
刊名: Tectonophysics
ISSN: 00401951
出版年: 2020
卷: 778
语种: 英语
中文关键词: Growth strata ; Intracontinental deformation ; Late Mesozoic ; North China Plate ; Yungang Basin
英文关键词: Deformation ; Geochronology ; Plates (structural components) ; Sedimentology ; Strike-slip faults ; Volcanoes ; Fault propagation folding ; Fold-and-thrust belts ; Growth strata ; Mesozoic ; North China ; Sedimentary cycles ; Sedimentary response ; Yungang Basin ; Structural geology ; continental collision ; crustal deformation ; faulting ; fold and thrust belt ; Mesozoic ; sedimentation ; subduction ; syntectonic sediment ; tectonic evolution ; tectonic plate ; tectonic setting ; uranium-lead dating ; China ; North China Block
英文摘要: Jurassic tectonism resulted in late Mesozoic intracontinental deformation of the North China Plate. A fold-and-thrust belt, related growth strata, and volcanic materials have been identified in the Jurassic Yungang Basin, which can be used to constrain the timing and scale of faulting and sedimentation. The age of volcanic materials in the growth strata and the sedimentary cycle of Jurassic strata indicate that the late Middle Jurassic Yungang Formation was the earliest sedimentary response to the onset of Jurassic deformation (i.e., the Yanshanian orogeny) from 170 to 160 Ma. Deformation involved detachment and fault propagation folding, which produced a marginal thrust belt and limb rotation of anticline. Restored cross-sections show that the northern basin experienced more intense shortening than the southern basin, consistent with field observations, possibly controlled by the Qifengshan strike-slip fault in the center of the fold-and-thrust belt. Fault striations, conjugate joints, and asymmetric folds show that the Yungang Basin underwent NW–SE-trending compression during the Middle–Late Jurassic. Therefore, we propose that the eastern Ordos Block was in a compressional setting during the Middle–Late Jurassic, due to flat subduction of the Paleo-Pacific Plate beneath the East Asian continent. © 2020 Elsevier B.V.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/170749
Appears in Collections:气候变化与战略

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作者单位: Institute of Geomechanics, Chinese Academy of Geological Sciences, Beijing, 100081, China; Chinese Academy of Geological Sciences, Beijing, 100037, China; Key Laboratory of Neotectonic Movement and Geohazard, Ministry of Natural Resources, Beijing, 100081, China; School of Earth Sciences and Engineering, Nanjing University, Nanjing, 210023, China; School of Earth Sciences and Resources, China University of Geosciences, Beijing, 100083, China

Recommended Citation:
Zhang Y.,Shi W.,Dong S.,et al. Jurassic intracontinental deformation of the central North China Plate: Insights from syn-tectonic sedimentation, structural geology, and U[sbnd]Pb geochronology of the Yungang Basin, North China[J]. Tectonophysics,2020-01-01,778
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