Arid
DOI10.1016/j.cretres.2015.07.013
Cretaceous sedimentary basins in Sichuan, SW China: Restoration of tectonic and depositional environments
Li, Yingqiang; He, Dengfa; Chen, Longbo; Mei, Qinghua; Li, Chuanxin; Zhang, Li
通讯作者He, Dengfa
来源期刊CRETACEOUS RESEARCH
ISSN0195-6671
EISSN1095-998X
出版年2016
卷号57页码:50-65
英文摘要

This study documents sediment infill features and their responses to the tectonic evolution of the Sichuan Basin and adjacent areas. The data include a comparison of field outcrops, well drillings, interwell correlations, seismic data, isopach maps, and the spatial evolution of sedimentary facies. We divided the evolutionary history of the Sichuan Cretaceous Basin into three stages based on the following tectonic subsidence curves: the early Early Cretaceous (145-125 Ma), late Early Cretaceous to early Late Cretaceous (125-89.8 Ma), and late Late Cretaceous (89.8-66 Ma). The basin underwent NW SE compression with northwestward shortening in the early Early Cretaceous and was dominated by alluvial fans and fluviolacustrine sedimentary systems. The central and northern areas of the Sichuan Basin were rapidly uplifted during the late Early Cretaceous to early Late Cretaceous with southwestward tilting, which resulted in the formation of a depression, exhibited southwestward compression, and was characterized by aeolian desert and fluviolacustrine deposits. The tectonic framework is controlled by the inherited basement structure and the formation of NE mountains, which not only affected the clastic supply of the sedimentary basin but also blocked warm-wet currents from the southeast, which changed the climatic conditions in the late Late Cretaceous. The formation and evolution of Cretaceous sedimentary basins are closely related to synchronous subtle far-field tectonism and changes in climate and drainage systems. According to the analysis of the migration of the Cretaceous sedimentation centers, different basin structures formed during different periods, including periods of peripheral mountain asynchronous thrusting and regional differential uplift. Thus, the Sichuan Cretaceous sedimentary basin is recognized as a superimposed foreland basin. (C) 2015 Elsevier Ltd. All rights reserved.


英文关键词Cretaceous sedimentary basins Restoration Sichuan Basin Tectono-depositional environment Temporal-spatial evolution
类型Article
语种英语
国家Peoples R China
收录类别SCI-E
WOS记录号WOS:000365055700006
WOS关键词FISSION-TRACK THERMOCHRONOLOGY ; EASTERN TIBETAN PLATEAU ; SHAN FORELAND BASIN ; GARZE FOLD BELT ; SOUTH CHINA ; EXHUMATION HISTORY ; TECTONOTHERMAL EVOLUTION ; DIFFERENTIAL EXHUMATION ; DEFORMATION HISTORY ; CONTINENTAL-MARGIN
WOS类目Geology ; Paleontology
WOS研究方向Geology ; Paleontology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/192178
作者单位China Univ Geosci, Key Lab Marine Reservoir Evolut & Hydrocarbon Acc, Minist Educ, Beijing 100083, Peoples R China
推荐引用方式
GB/T 7714
Li, Yingqiang,He, Dengfa,Chen, Longbo,et al. Cretaceous sedimentary basins in Sichuan, SW China: Restoration of tectonic and depositional environments[J],2016,57:50-65.
APA Li, Yingqiang,He, Dengfa,Chen, Longbo,Mei, Qinghua,Li, Chuanxin,&Zhang, Li.(2016).Cretaceous sedimentary basins in Sichuan, SW China: Restoration of tectonic and depositional environments.CRETACEOUS RESEARCH,57,50-65.
MLA Li, Yingqiang,et al."Cretaceous sedimentary basins in Sichuan, SW China: Restoration of tectonic and depositional environments".CRETACEOUS RESEARCH 57(2016):50-65.
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