干旱区生态环境知识资源中心(Arid): Lacustrine to fluvial depositional systems: The depositional evolution of an intracontinental depression and controlling factors, Lower Cretaceous, northern Tarim Basin, northwest China

Arid

DOI	10.1016/j.marpetgeo.2021.104904
	Lacustrine to fluvial depositional systems: The depositional evolution of an intracontinental depression and controlling factors, Lower Cretaceous, northern Tarim Basin, northwest China
	Zhang, Zhiyuan; Lin, Changsong; Liu, Yongfu; Liu, Jingyan; Zhao, Haitao; Li, Hao; Sun, Qi; Xia, Hui; Ma, Ming; Liang, Ying
通讯作者	Lin, CS (corresponding author), China Univ Geosci Beijing, Sch Energy Resources, Beijing 100083, Peoples R China. ; Lin, CS (corresponding author), China Univ Geosci Beijing, Sch Ocean Sci, Beijing 100083, Peoples R China.
来源期刊	MARINE AND PETROLEUM GEOLOGY
ISSN	0264-8172
EISSN	1873-4073
出版年	2021
卷号	126
英文摘要	The Lower Cretaceous (Baxigai and Bashijiqike Formations) of the northern Tarim basin contains over 1000 m of siliciclastic fluvial-deltaic deposits and is of great significance for oil and gas exploration. Based on integrated cores, outcrops, well-logs, and seismic data, the sequence stratigraphy, depositional architecture and sedimentary infilling process from a shallow lake basin to a braided fluvial-dominated basin, as well as their controlling factors, were documented. Four major depositional facies, including lacustrine and braided-river delta in Baxigai Formation, braided river, and sheetflood, sand-bed river in Bashijiqike Formation, were identified based on the analysis of lithofacies and facies associations. Four third-order sequences(SQ1 in Baxigai Formation, SQ2-4 in Bashijiqike Formation)bounded by regional unconformities are recognized in the deposits. SQ1 consisting of deltaic deposits can be classified into Lowstand (LST) + Transgression (TST) and Highstand (HST) systems tracts based on recognition of regressive-transgressive cycle. The third-order sequences in Bashijiqike Formation consisting of fluvial deposits can be divided into Low and High Accommodation Systems Tracts (LAST and HAST) according to the degree of channel amalgamation. Sheetflood, sand-bed river deposits developed in LAST, and is characterized by highly amalgamated channels; the HAST is dominated by braided-river and floodplain deposits, with a higher floodplain ratio and more isolated channels. The tectonic uplifts at the early deposition of Bashijiqike Formation caused the overcompensation of sediments, and thus the depositional system shifted from deltaic to fluvial. The unconformity at the base of the Bashijiqike Formation was attributed to tectonic uplifts occurred in the study area. The cycle of arid to semi-arid paleoclimate led to the periodic changes from sheetflood, sand-bed river in LAST to braided-river in HAST of Bashijiqike Formation. The delta front sandstones comprise the potential favorable reservoirs in the study area.
英文关键词	Sequence stratigraphy Fluvial and lacustrine deltaic system Controlling factors Lower Cretaceous Tarim Basin
类型	Article
语种	英语
收录类别	SCI-E
WOS记录号	WOS:000620615400001
WOS类目	Geosciences, Multidisciplinary
WOS研究方向	Geology
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/368922
作者单位	[Zhang, Zhiyuan; Lin, Changsong; Liu, Jingyan; Xia, Hui; Ma, Ming] China Univ Geosci Beijing, Sch Energy Resources, Beijing 100083, Peoples R China; [Lin, Changsong; Li, Hao; Liang, Ying] China Univ Geosci Beijing, Sch Ocean Sci, Beijing 100083, Peoples R China; [Zhang, Zhiyuan; Liu, Jingyan; Ma, Ming] Beijing Key Lab Unconvent Nat Gas Geol Evaluat &, Beijing 100083, Peoples R China; [Liu, Yongfu; Zhao, Haitao; Sun, Qi] Tarim Oilfield Co, Explorat & Dev Res Inst, Korla 841000, Peoples R China
推荐引用方式 GB/T 7714	Zhang, Zhiyuan,Lin, Changsong,Liu, Yongfu,et al. Lacustrine to fluvial depositional systems: The depositional evolution of an intracontinental depression and controlling factors, Lower Cretaceous, northern Tarim Basin, northwest China[J],2021,126.
APA	Zhang, Zhiyuan.,Lin, Changsong.,Liu, Yongfu.,Liu, Jingyan.,Zhao, Haitao.,...&Liang, Ying.(2021).Lacustrine to fluvial depositional systems: The depositional evolution of an intracontinental depression and controlling factors, Lower Cretaceous, northern Tarim Basin, northwest China.MARINE AND PETROLEUM GEOLOGY,126.
MLA	Zhang, Zhiyuan,et al."Lacustrine to fluvial depositional systems: The depositional evolution of an intracontinental depression and controlling factors, Lower Cretaceous, northern Tarim Basin, northwest China".MARINE AND PETROLEUM GEOLOGY 126(2021).