[1]张尚锋ab,曹元婷,张昌民a,等.珠江口盆地两类坡折带比较[J].新疆石油地质,2018,(06):653.[doi:10.7657/XJPG20180604]
 ZHANG Shangfengab,CAO Yuanting,ZHANG Changmina,et al.Comparison Between Two Types of Slope-Break Belts in Pearl River Mouth Basin[J].Xinjiang Petroleum Geology,2018,(06):653.[doi:10.7657/XJPG20180604]
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珠江口盆地两类坡折带比较()
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《新疆石油地质》[ISSN:1001-3873/CN:65-1107/TE]

卷:
期数:
2018年06期
页码:
653
栏目:
出版日期:
2018-12-01

文章信息/Info

Title:
Comparison Between Two Types of Slope-Break Belts in Pearl River Mouth Basin
文章编号:
1001-3873(2018)06-0653-07
作者:
张尚锋1a1b曹元婷2张昌民1a施和生3王雅宁1a尹艳树1a朱锐1a
(1.长江大学 a.地球科学学院;b.油气资源与勘探技术教育部重点实验室,湖北 荆州 434023;2.中国石油 新疆油田分公司 勘探开发研究院,新疆 克拉玛依 834000;3.中海石油(中国)
Author(s):
ZHANG Shangfeng1a1b CAO Yuanting2 ZHANG Changmin1a SHI Hesheng3 WANG Yaning1a YIN Yanshu1a ZHU Rui1a
(1.Yangtze University, a.School of Geosciences; b.MOE Key Laboratory of Exploration Technologies for Oil and Gas Resources, Jingzhou, Hubei 434023, China; 2.Research Institute of Exploration and Development, Xinjiang Oilfield Company, PetroChina, Karamay, Xinjiang 834000, China; 3.CNOOC Limited, Beijing100010, China)
关键词:
南海北部珠江口盆地新近系层序地层地貌坡折带沉积坡折带
Keywords:
northern South China Sea Pearl River Mouth basin Neogene sequence stratigraphy geomorphic slope-break belt sedimentary slope-break belt
分类号:
TE121.2
DOI:
10.7657/XJPG20180604
文献标志码:
A
摘要:
坡折带是层序地层划分对比、地层构型分析及层序模式建立的基础,虽然前人对不同类型坡折带做了大量研究,但基本集中于单一坡折带的分析。南海北部珠江口盆地新近纪以来存在双坡折带,即陆架区沉积坡折带和陆架边缘地貌坡折带同时存在,不同坡折带对沉积层序的控制作用差异明显。从形成背景、发育演化、地形地貌及沉积体系等方面对两种坡折带进行比较,认为地貌坡折带的形成与构造作用关系密切,控制形成四分体系域、三分体系域及二分体系域3种类型地层层序;而沉积坡折带的形成明显受古地貌、沉积供应过程及非均衡卸载控制,主要发育后2种类型层序。
Abstract:
Slope-break belt is the basis of sequence stratigraphic classification and correlation, stratigraphic architectural analysis and sequence model establishment. A lot of researches have been done on different types of slope breaks, however, most of them focused on the analysis of a single slope-break belt. The stratigraphic sequence analysis of the Pearl River Mouth basin in the northern South China Sea shows that there are double slope breaks since the Neogene in the basin, that is, the sedimentary slope-break belt of the continental shelf and the geomorphic slope-break belt of the shelf edge exist simultaneously, and the controls of different slope-break belts on sedimentary sequence are various. Based on the comparison between the two types of slope-break belts from the aspects of formation background, development and evolution, topography and geomorphology characteristics, and sedimentary systems, it is believed that the formation of the geomorphic slope-break belt is closely related to the tectonic action, as a result, three types of stratigraphic sequences are formed including four partitioned, three partitioned and two partitioned system tracts, respectively. The formation of sedimentary slopes is obviously controlled by paleogeomorphology, sediment supply process and non-equilibrium unloading, and the last two types of stratigraphic sequences are dominant

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更新日期/Last Update: 2018-12-05