| 箕状凹陷坡折带成因及对同生断层和沉积的控制,以南襄盆地南阳凹陷为例 |
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| 引用本文： | 付志方,汤达祯,许浩,杨芳.箕状凹陷坡折带成因及对同生断层和沉积的控制,以南襄盆地南阳凹陷为例[J].石油实验地质,2006,28(5):430-433. |
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| 作者姓名： | 付志方 汤达祯 许浩 杨芳 |
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| 作者单位： | 中国地质大学, 北京, 100083 |
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| 基金项目： | 中国石油化工集团公司资助项目 |
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| 摘 要： | 坡折带是沉积地貌突变的古构造枢纽带。南襄盆地南阳凹陷南部控凹铲状正断层在非平面上滑动造成凹陷北部盖层缓坡弯折,构成盆内沉积区域的分界线,是同生断层集中发育和沉积相发生突变的地带。特定的坡折带类型揭示了同沉积断裂的活动和分布特征,制约着沉积物的分散过程和砂体堆积。在不同的盆地演化阶段,同生断层与沉积相带控制着不同圈闭类型的形成。
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| 关 键 词： | 同生断层 沉积 坡折带 箕状凹陷 南阳凹陷 南襄盆地 |
| 文章编号： | 1001-6112（2006）05-0430-04 |
| 收稿时间： | 2005-06-10 |
| 修稿时间： | 2006-07-18 |
FORMING MECHANISM OF SLOPE-BREAK AND ITS CONTROL ON SYN-DEPOSITIONAL FAULT AND DEPOSITION IN HALFGRABEN SAG——A CASE STUDY OF THE NANGYANG SAG, THE NANXIANG BASIN |
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| Fu Zhifang,Tang Dazhen,Xu Hao,Yang Fang.FORMING MECHANISM OF SLOPE-BREAK AND ITS CONTROL ON SYN-DEPOSITIONAL FAULT AND DEPOSITION IN HALFGRABEN SAG——A CASE STUDY OF THE NANGYANG SAG, THE NANXIANG BASIN[J].Petroleum Geology & Experiment,2006,28(5):430-433. |
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| Authors: | Fu Zhifang Tang Dazhen Xu Hao Yang Fang |
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| Affiliation: | China University of Geosciences, Beijing 100083, China |
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| Abstract: | The slope-break zone is a pivotal zone of depositional physiognomy.The listric normal faults in the south of Nanyang Sag glide on lumpy surface and result in the gentle wrenches of cap formation in the north,serving as the boundary between depositional regions.Syn-depositional faults and sedimentary facies changes mainly take place here.Certain slope-break zone types indicate the activities and distributions of syn-depositional faults and control sediment dispersal and sand body accumulation.During different stages of basin evolution,syn-depositional faults and sedimentary facies belts control the gene-ration of different traps. |
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| Keywords: | syn-depositional fault deposition slope-break zone halfgraben sag the Nanyang Sag the Nanxiang Basin |
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