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Structural Styles of the Longmenshan Thrust Belt and Evolution of the Foreland Basin in Western Sichuan Province, China
- Source :
- Acta Geologica Sinica - English Edition. 7:351-372
- Publication Year :
- 2009
- Publisher :
- Wiley, 2009.
-
Abstract
- The Longmenshan thrust system consists of two major groups of structural styles according to the depth of their involvement: basement thrusts - compressional fault blocks; fold - thrust system in the cover. In cross - section, the Longmenshan structural belt is divided into 5 zones. The propagation of the Longmenshan thrust system is piggy - back due to pushing at the early stage and overstep due to gravity sliding at the late stage. Balanced cross - sections and palinspastic reconstruction reveal that the total sliding displacement of the thrust system amounts to 120 km. The tectonic evolution of the Tethys domain in western Sichuan has experienced 5 stages: continental break - up; ocean - continent subduction; continent - arc collision; orogenic thrusting; uplift of western Sichuan.
Details
- ISSN :
- 10009515
- Volume :
- 7
- Database :
- OpenAIRE
- Journal :
- Acta Geologica Sinica - English Edition
- Accession number :
- edsair.doi...........d1f1e388c41833d8df691efe7744c468