| 南海潮汕坳陷前第三纪盆地结构地球物理研究 |
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| 引用本文： | 陈冰,王家林,钟慧智,郝沪军.南海潮汕坳陷前第三纪盆地结构地球物理研究[J].同济大学学报(自然科学版),2005,33(9):1274-1280. |
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| 作者姓名： | 陈冰 王家林 钟慧智 郝沪军 |
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| 作者单位： | 1. 同济大学,海洋与地球科学学院,上海,200092
2. 中国海洋石油总公司,南海东部公司,广东,广州,510240 |
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| 基金项目： | 国家重点基础研究发展规划资助项目(G2000046702) |
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| 摘 要： | 通过对珠江口盆地潮汕坳陷地质、地球物理条件的分析,采取针对性的综合地球物理研究方法,对地震资料难以解决的前第三系盆地结构及中生界的分布进行了综合物探研究,确定了盆地的重力和磁性基底深度,首次获得了全区中生界的分布,并对盆地内的断裂、火成岩分布及构造区划作了推断,提出了该坳陷为弧前盆地的认识,为该区勘探部署和进一步研究提供了依据.
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| 关 键 词： | 潮汕坳陷 盆地结构 中生界 地球物理 |
| 文章编号： | 0253-374X（2005）09-1274-07 |
| 收稿时间： | 06 20 2005 12:00AM |
| 修稿时间： | 2005年6月20日 |
Geophysical Study of Pre-Tertiary Basin Style of Chaoshan Sag in South China Sea |
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| CHEN Bing,WANG Jia-lin,ZHONG Hui-zhi,HAO Hu-jun.Geophysical Study of Pre-Tertiary Basin Style of Chaoshan Sag in South China Sea[J].Journal of Tongji University(Natural Science),2005,33(9):1274-1280. |
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| Authors: | CHEN Bing WANG Jia-lin ZHONG Hui-zhi HAO Hu-jun |
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| Institution: | 1. School of Marine and Earth Science, Tongji University, Shanghai 200092, China; 2. China Offshore Oil Nanhai East Corporation,Guangzhou 510240,China |
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| Abstract: | On the basis of analyses of geological and geophysical materials of Chaoshan Sag in the Pearl River Mouth Basin,the Pre-Tertiary basin style and Mesozoic distribution which could not be distinguished by seismic surveying are studied in this paper using integrated geophysical research method. The buried-depths of gravitational and magnetic basement are then determined. The Mesozoic distribution in the whole surveyed area is obtained for the first time. Furthermore,the faults,igneous distribution and tectonic zoning within the basin are deduced and a new cognition that the sag is a forearc basin has been put forward,which provided the basis for the exploration arrangement and further studies of this area. |
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| Keywords: | Chaoshan Sag basin style Mesozoic geophysics |
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