地质科技通报2026，Vol.45Issue(1)：25-37,13.DOI:10.19509/j.cnki.dzkq.tb20240208
太原盆地控盆构造研究
Control-basin structure around the Taiyuan Basin
摘要
Abstract
[Objective]To determine the basin control structure of the Taiyuan Basin and its surrounding areas using geomechanical methods,and to characterize the structural properties of the Taiyuan Basin.[Method]A conjectural tectonic line analysis was applied to integrate the fault system with the distribution of Quaternary sedimentary bands,linear geomorphology,basin boundary geomorphology,and the systematic extension of identified faults.[Results]The study identifies meridional,latitudinal,Cathaysian,and NW tectonic systems in the region.Based on local-structure analysis,four local torsion structural systems are identified in the northern part of Taiyueshan:ξ-shaped,North-South brush-shaped,NW oblique torsion,and SN"λ"-shaped torsion structural system.Two global torsional systems are also recognized:NW vertical torsion and EW vertical torsion.By dividing the study area's enclosed geomorphic elevation into regions and applying modern geomorphic step analysis,the results indicate that basin formation and the development of enclosed mountain geomorphology share a coupled movement and a unified mechanism.[Conclusion]The extension of Shanxi graben system represents a phased,comprehensive extension and collapse of the enclosed orogenic belt.Six regional activity patterns were inferred to contribute to basin formation.Regarding extensional behavior,there were Neogene extensional collapse events with a NNW-SSE orientation in Xizhoushan,Taiyueshan,and Yunzhongshan within and around the Taiyuan Basin.The Taiyuan Basin is a complex fault-block-controlled basin in which multiple local and global movement modes interact to shape basin morphology and the distribution of secondary tectonic units;however,the controlling factors of basin formation vary across sub-regions.This yields a complex,multi-factorial basin-formation model involving multiple tectonic systems and formation mechanisms.关键词
太原盆地/构造体系/成盆模式/推测性构造线/地貌阶区Key words
Taiyuan Basin/tectonic system/basin formation model/conjectural tectonic line/geomorphic steps分类
天文与地球科学引用本文复制引用
关成尧,袁四化,姜纪沂,白相东,刘广虎,刘晓燕,张艳..太原盆地控盆构造研究[J].地质科技通报,2026,45(1):25-37,13.基金项目
中央高校基本科研业务费团队项目(ZY20180104) （ZY20180104）
国家自然科学基金项目(42372269) （42372269）
