| 荷包岛南北向构造 |
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| 引用本文： | 张虎男 陈伟光 等. 荷包岛南北向构造[J]. 华南地震, 1991, 11(1): 46-50 |
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| 作者姓名： | 张虎男 陈伟光 等 |
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| 作者单位： | 广东省地震局(张虎男，陈伟光，王振才，梁永楠，张传玉)，广东省地震局(徐辉龙) |
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| 摘 要： | 荷包岛为南海北缘一鲜为人知的小岛，岛上发育颇具规模的南北向构造，由一系列压性结构面组成并有北延至大陆沿海的迹象，荷包岛南北向构造很可能是一较大规模的构造带的残余，它既与华南大陆广为发育的近东西向构造带有关，亦受控于南海海盆的新生代扩张，对它的深入研究，有可能成为合理解释南海北缘构造系统形成、发育历史的关系。
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| 关 键 词： | 荷包岛 南北向构造 南海扩张 拉张谷地 地震地质 活动特征 |
THE SN-TRENDING TECTONICS IN THE HEBAO ISLAND |
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| Zhang Hunan,Chen Weiguang,Wang Zhencai,Liang Yongnan,Zhang Chuanyu,Xu Huilong. THE SN-TRENDING TECTONICS IN THE HEBAO ISLAND[J]. South China Journal of Seismology, 1991, 11(1): 46-50 |
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| Authors: | Zhang Hunan Chen Weiguang Wang Zhencai Liang Yongnan Zhang Chuanyu Xu Huilong |
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| Affiliation: | Seisraolgoical Bureau of Guangdong Province |
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| Abstract: | The Hebao island is an unknow small island situated atthe northern margin of South China Sea.There are some large SN-trending tectonics developed in this island which composed of several compressive structural planes and with a tendency northward stretched right to the continental coast. These SN-trending tectonics were probably be a remnants of a extensive tectonic zone which related both with the near EW-trending tectonic zone and the expantion of the South China Sea. The former are developed widely in the south China continent and the latter occurred during the Cainozoic. Making a thorough investigation on these SN-trending tectonics is a key to reasonably explain the formative and developmental history of the tectonic system in the northern margin of the South China Sea. |
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| Keywords: | Northern margin of South China Sea Hebao island SH-trending tectonics Expantion of South China Sea Expansive valley |
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