Paleostress regime evolution in South China induced by dynamic changes in Izanagi-Pacific subduction since the Cretaceous

A complex intraplate deformation sequence since the Cretaceous is recorded in the basin–mountain belt along the South China continental margin and provides a critical window to reconstruct the paleostress regime since the Cretaceous and further explore the relationship between the intraplate deforma...

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Bibliographic Details
Published in:Journal of structural geology 2023-09, Vol.174, p.104934, Article 104934
Main Authors: Zhang, Bo, Liu, Shaofeng, Wan, Neng, Xu, Qingjun
Format: Article
Language:English
Subjects:
Cretaceous
Intraplate deformation
Izanagi-Pacific subduction
Paleostress regime
South China
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Summary:A complex intraplate deformation sequence since the Cretaceous is recorded in the basin–mountain belt along the South China continental margin and provides a critical window to reconstruct the paleostress regime since the Cretaceous and further explore the relationship between the intraplate deformation episodes in South China and the dynamic changes in Izanagi-Pacific subduction. Here, integrating the clues from the field investigation, fault-slip inversion, and zircon U–Pb chronology in four regions along the basin–mountain belt reveals six paleostress regimes on the South China margin, listed in order of decreasing age: E‒W extension (ca. 145-120 Ma), NW‒SE extension (ca. 120-105 Ma), NW‒SE compression (ca. 105-100 Ma), N–S extension (ca. 100-65 Ma), NE‒SW compression (ca. 65-55 Ma), and NE‒SW extension (ca. 
ISSN:0191-8141
DOI:10.1016/j.jsg.2023.104934