Mesozoic "Red Beds" and its Evolution in the Hefei Basin

	Mesozoic "Red Beds" and its Evolution in the Hefei Basin
	Zhang Jiaodong 4; Chen Xuanhua ; Li Qiuli ; Liu Chengzhai ; Li Bing ; Li Jie ; Liu Gang ; Ren Fenglou
刊名	ACTA GEOLOGICA SINICA-ENGLISH EDITION
	2012
卷号	86 期号:5 页码:1060-1076
关键词	Mesozoic Erathem red beds sequence stratigraphic framework depositional evolution Hefei Basin
ISSN号	029AR
英文摘要	The Hefei Basin is the largest basin in the North China landmass with complete and well-preserved Mesozoic and Cenozoic strata. In the basin there developed a suite of extremely thick red beds in the Mesozoic. Owing to complex evolution processes and a lack of paleontological traces, there have been controversies regarding the division and correlation of this suite of red beds. Based on results obtained in recent years in drilling, seismic and surface geological investigations and in consideration of relationships between seismic sequences and regional tectonic events, as well as evidence in paleontology, petrology and isotopic dating, this paper preliminarily puts forward the following ideas about the sequence stratigraphic framework of the continental red beds in the Hefei Basin. (1) The Zhougongshan Formation and the Yuantongshan Formation have similar lithologic, geophysical and paleontological characteristics, so we incorporate them into a single formation, called the Yuantongshan Formation, and the original Zhougongshan and Yuantongshan Formations are regarded as the upper and the lower parts of the newly defined Yuantongshan Formation. Its age is the Middle Jurassic; (2) the Zhuxiang Formation belongs to the Upper Jurassic Series and (3) the age of the Xiangdaopu Formation is the Lower Cretaceous. Furthermore, signatures of depositional evolution are analyzed in the paper based on features of seismic reflection, outcrops and drilling data. The Early and Middle Jurassic is characterized by a foreland basin, which is influenced mainly by uplift and longitudinal compression of the Dabieshan Mountains; the Lower Jurassic System has a relatively small depositional area; the Middle Jurassic strata are distributed extensively over the whole basin, marking the summit of basin development; a flexure basin is characteristic of the Late Jurassic, manifesting a joint effect of the Dabieshan and Zhangbaling Mountains with the former being more significant. In the Early Cretaceous, the Xiangdaopu Formation was distributed in the Daqiao depression, evidently affected by extension of the Tanlu fault; in the Late Cretaceous, the Hefei Basin was subjected to dismembering and the Zhangqiao Formation was distributed in the east-west direction along the downthrown side of the fault.
学科主题	地层学与地史学
WOS关键词	TAN-LU FAULT ; EASTERN CHINA ; NORTH CHINA ; SEQUENCE STRATIGRAPHY ; DABIE ; OROGENESIS ; SOUTHEAST CHINA ; ZIRCON ; CONSTRAINTS ; PROVENANCE ; ZONE
WOS研究方向	Geosciences, Multidisciplinary
语种	英语
出版者	When organizing this manuscript, we benefited a lot from participating;in oil and gas exploration in the Hefei Basin at the end of the 1990s,;which was supported by the Shengli Oil Co. Many of our colleagues worked;in this big project then and we, therefore, express our sincere;gratitude to their valuable work. This study was supported by the;National Natural Science Foundation of China (No. 41072080), China;Post-doctor Science Foundation of China (No. 60878) and National Project;for Deep Exploration Technology and Experimentation (Sinoprobe-08).
WOS记录号	WOS:000310467700003
内容类型	期刊论文
源URL	[http://119.78.100.197/handle/2HKVOGP0/39895]
专题	中国地质科学院
作者单位	1.Chinese Acad Geol Sci, Beijing 100037, Peoples R China. 2.Chinese Acad Sci, Inst Geol & Geophys, Beijing 100029, Peoples R China. 3.Shengli Oil Co, Dongying 257100, Peoples R China. 4.中国地质科学院（院部）
推荐引用方式 GB/T 7714	Zhang Jiaodong,Chen Xuanhua,Li Qiuli,et al. Mesozoic "Red Beds" and its Evolution in the Hefei Basin[J]. ACTA GEOLOGICA SINICA-ENGLISH EDITION,2012,86(5):1060-1076.
APA	Zhang Jiaodong.,Chen Xuanhua.,Li Qiuli.,Liu Chengzhai.,Li Bing.,...&Ren Fenglou.(2012).Mesozoic "Red Beds" and its Evolution in the Hefei Basin.ACTA GEOLOGICA SINICA-ENGLISH EDITION,86(5),1060-1076.
MLA	Zhang Jiaodong,et al."Mesozoic "Red Beds" and its Evolution in the Hefei Basin".ACTA GEOLOGICA SINICA-ENGLISH EDITION 86.5(2012):1060-1076.