ZHANG Zhen-li, ZHANG Xin-quan, WEIWen-tong, PAN Zhi-long, LIU Ce, XU Yan-yan, TIAN Fen-ying, ZHAOWei-ying. A discussion on lithosphere evolution of Yanshan tectonic cycle in Hebei- Beijing-Tianjin region[J]. Geology in China, 2016, (3): 969-976. doi: 10.12029/gc20160319
Citation: |
ZHANG Zhen-li, ZHANG Xin-quan, WEIWen-tong, PAN Zhi-long, LIU Ce, XU Yan-yan, TIAN Fen-ying, ZHAOWei-ying. A discussion on lithosphere evolution of Yanshan tectonic cycle in Hebei- Beijing-Tianjin region[J]. Geology in China, 2016, (3): 969-976. doi: 10.12029/gc20160319
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A discussion on lithosphere evolution of Yanshan tectonic cycle in Hebei- Beijing-Tianjin region
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1.
Hebei Institute of Regional Geological and Mineral Resource Survey, Langfang 065000, Hebei, China;Shijiazhuang University of Economics, Shijiazhuang 050031, Hebei, China
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2.
Hebei Institute of Regional Geological and Mineral Resource Survey, Langfang 065000, Hebei, China
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Abstract
The lithospheric evolution of Hebei- Beijing- Tianjin region constitutes a complete tectonic evolution cycle. The lithosphere experienced multi- stage evolution, comprising tension cracking (non- orogenic) at the early stage of Late Triassic, stable transition at the late stage of Late Triassic (pre-orogenic), squeeze intraplate orogeny between the Early Jurassic and middle stage of Early Cretaceous (sym- orogenic), and stable transition during Cretaceous- Paleocene (post- orogenic). During the intraplate orogenic process of Yanshan tectonic cycle, the original cratonic lithosphere was strongly transformed and rebuilt, and formed a new orogenic lithosphere, which seems to have been the most important content of the Yanshan tectonic cycle and the substantive result of intraplate orogeny.
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