Late Mesozoic development of the southern Qinling-Dabieshan foreland fold-thrust belt, Central China, and its role in continent-continent collision

Shaofeng Liu*, Wangpeng Li, Kai Wang, Tao Qian, Chengxin Jiang

*Corresponding author for this work

Research output: Contribution to journalArticle

37 Citations (Scopus)

Abstract

The southern Qinling-Dabieshan foreland fold-thrust belt is a key region in which to investigate the continental-continental collision between North China and South China. We provide structural evidence of a diachronous dextral strike-slip thrusting deformation from the Middle Triassic in the east to the late Late Triassic in the west, which indicates a northwestward oblique subduction and suturing of the South China plate under the North China-Qinling-Dabieshan plate. We also identify a later phase of intracontinental deformation that included an orthogonal intracontinental collision and south-vergent thrusting during the Early and Middle Jurassic, indentation of South China into the Qinling-Dabieshan Orogen and arc-shaped extrusions of the southern Qinling-Dabieshan foreland fold-thrust belt from the Late Jurassic to the Cretaceous. Our results reveal that the long-term intracontinental collision rotated clockwise in a northwest-southeast-vergent direction in the Late Triassic to northeast-east-southwest-west-vergent in the Late Cretaceous. This collision may have been driven by a north-vergent subduction of the Meso-Tethys Ocean in the south, west-vergent subduction of the Izanagi plate in the east, and south-vergent compression of the Eurasia plate in the north.

Original languageEnglish
Pages (from-to)220-234
Number of pages15
JournalTectonophysics
Volume644-645
DOIs
Publication statusPublished - 16 Mar 2015
Externally publishedYes

Keywords

  • Southern Qinling–Dabieshan foreland
  • fold-thrust belt
  • Dextral strike-slip thrusting
  • Arc-shaped thrust belt
  • Clockwise rotation
  • Indentation

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