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| 北黄海盆地构造演化特征分析 | |
| 引用本文： | 李文勇,李东旭,夏斌,白志琳,王嘹亮,陈玲,曹代勇,王信国.北黄海盆地构造演化特征分析[J].现代地质,2006,20(2):268-276. |
| 作者姓名： | 李文勇 李东旭 夏斌 白志琳 王嘹亮 陈玲 曹代勇 王信国 |
| 作者单位： | 1. 中国地质大学,地球科学与资源学院,北京,100083;国土资源部,广州海洋地质调查局,广东,广州,510760 2. 中国地质大学,地球科学与资源学院,北京,100083 3. 中国科学院,广州地球化学研究所,广东,广州,510640 4. 国土资源部,广州海洋地质调查局,广东,广州,510760 5. 中国矿业大学,资源与安全工程学院,北京,100083 |
| 摘 要： | 依据最新油气资源调查资料,在简述北黄海盆地区域构造特征的基础上,重点分析了盆地的沉降史与构造演化特征。研究表明:(1)北黄海盆地的基本沉降曲线型式为7段折线状,其中晚侏罗世、早白垩世、始新世、渐新世、新近纪为曲线下降段,代表盆地5幕较明显的沉降;晚白垩世—古新世以及中新世早期为曲线上升段,反映盆地的抬升剥蚀。(2)盆地沉降作用自中生代至新生代总体由东向西迁移,东部坳陷以中生代沉降作用最为显著,中部坳陷主沉降期为始新世,而西部坳陷的快速沉降主要发生在始新世,并一直持续到渐新世。(3)盆地构造演化大致可划分为中生代断陷盆地、古近纪叠加断陷盆地以及新近纪坳陷盆地等3大发展阶段,其中,中生代断陷盆地发育阶段是北黄海盆地油气勘探研究的重点。 |
| 关 键 词： | 构造演化 沉降史 北黄海盆地 中生代 |
| 文章编号： | 1000-8527(2006)02-0268-09 |
| 收稿时间： | 11 10 2005 12:00AM |
| 修稿时间： | 01 19 2006 12:00AM |
Characteristics of Structural Evolution in North Yellow Sea Basin |
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| LI Wen-yong,LI Dong-xu,XIA Bin,BAI Zhi-lin,WANG Liao-liang,CHEN Ling,CAO Dai-yong,WANG Xin-guo.Characteristics of Structural Evolution in North Yellow Sea Basin[J].Geoscience——Journal of Graduate School,China University of Geosciences,2006,20(2):268-276. | |
| Authors: | LI Wen-yong LI Dong-xu XIA Bin BAI Zhi-lin WANG Liao-liang CHEN Ling CAO Dai-yong WANG Xin-guo |
| Institution: | 1. School of Earth Sciences and Resources, China University of Geosciences, Beijing 100083, China ; 2. Guangzhou Marine Geological Survey, Ministry of Land and Resources, G uangzhou, Guangdong 510760, China; 3. Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou , Guangdong 510640, China; 4. School of Resources and Safety Engineering, China University of Mining and Technology, Beijing 100083, China |
| Abstract: | Depending on the data of the new oil and gas resources survey,the subsidence history and structural evolution of North Yellow Sea basin are emphatically analyzed in this paper based on the brief discussion on the characteristics of tectonic geology of North Yellow Sea basin.The study results can be summerized as following aspects:(1) The basic settling curve of this basin was broken-line shape of seven sections in which Upper Jurassic,Lower Cretaceous,Eocene,Oligocene and Neogene corresponded with the decline ones representing five episodic clear subsidences of this basin,Late Cretaceous to Paleocene and Early Miocene corresponded with the rising ones reflecting the uplift and denudation of this basin.(2) The subsidence of this basin migrated from the east to the west,from Mesozoic to Cenozoic.East depression underwent the most remarkable subsidence in(Mesozoic).The main subsidence epoch of middle depression was in Eocene,and the rapid subsidence in west depression occurred in Eocene to Oligocene.(3) The structural evolution of this basin can be approximately(divided) into three development stages: Mesozoic fault basin stage,Paleogene superimposed fault basin stage and Neogene down-warped basin stage,in which the Mesozoic fault basin developed stage was the study emphasis for oil and gas exploration of North Yellow Sea basin. |
| Keywords: | structural evolution subsidence history North Yellow Sea basin Mesozoic |
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