长岭凹陷多环坡折地貌发育特征及对沉积过程的控制

胡纯心; 杨帅; 陆永潮; 杜学斌

doi:10.11781/sysydz201301017

长岭凹陷多环坡折地貌发育特征及对沉积过程的控制

doi: 10.11781/sysydz201301017

1.
中国石化东北油气分公司研究院, 长春 130062
2. 构造与油气资源教育部重点实验室, 武汉 430074
3. 中国科学院青岛海洋研究所海洋地质与环境重点实验室, 山东青岛 266071

基金项目: 中国博士后科学基金第三批特别资助(201003654);中国博士后科学基金面上资助(2009045184);中国地质大学(武汉)中央高校基本科研业务费专项资金优秀青年教师基金(CUGL100252)联合资助。

详细信息

作者简介:
胡纯心(1966- ),男,高级工程师,从事石油地质综合研究和科研生产管理工作。E-mail:bfhucx@163.com。

中图分类号: TE121.3
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出版历程
- 收稿日期: 2012-07-24
- 修回日期: 2012-12-22
- 刊出日期: 2013-01-28

Characteristics of multiple-circular slope break geomorphology and its controlling on sedimentary process in Changling Sag, Songliao Basin

1.
Research Institute of SINOPEC Northeast Oil and Gas Company, Changchun, Jilin 130062, China
2. Key Laboratory of Tectonics and Petroleum Resources of Ministry of Education, Wuhan, Hubei 430074, China
3. Key Laboratory of Marine Geology and Environment, Institute of Oceanology, Chinese Academy of Sciences, Qingdao, Shandong 266071, China

摘要

摘要: 借助高精度层序地层学、构造地层学、精细沉积体系分析和构造-古地貌恢复的理论和技术手段,对长岭凹陷坳陷期盆地发育特征和沉积过程开展了整体性系统研究。研究认为,坳陷时期长岭凹陷呈现多环坡折带控制下的隆洼格局,坡折带的存在不仅分割了空间上的地理单元,而且控制了空间上的相带分异,从而造成主要目的层段古地貌形态与沉积体系空间展布具有密切的耦合关系。以此为基础,在研究区划分出4个有利勘探区带:隆起带--平原岩相域,斜坡带--前缘近端岩相域,深坳带--前缘近端岩相域,深坳带--前缘远端岩相域,为深入勘探指明了方向。
- 坡折带 /
- 古地貌 /
- 沉积过程 /
- 沉积体系 /
- 长岭凹陷 /
- 松辽盆地
Abstract: By means of high-resolution sequence stratigraphy, tectonic stratigraphy, fine sedimentary system analysis and tectonic-palaeogeomorphology recovery, the formation feature and process of the Changling Sag during depressive stage were studied systematically. It was concluded that during the depressive stage, the sag was both uplifted and depressive controlled by multiple circles of slope-break belts. The slope-break belts not only divided geographic units, but also controlled the changes of sedimentary facies, resulting in the close coupling relationship between palaeogeomorphology and sedimentary system distribution. Furthermore, 4 favorable exploration regions in the study area were proposed, including the plain lithofacies of uplift belt, the proximal delta front of slope belt, the proximal delta front of deep depression, and the far delta front of deep depression.
- slope-break belt /
- palaeogeomorphology /
- sedimentary process /
- sedimentary system /
- Changling Sag /
- Songliao Basin

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