| 桂北四堡群火山岩形成环境及构造意义 |
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| 引用本文： | 廖宗廷 张起钻. 桂北四堡群火山岩形成环境及构造意义[J]. 上海国土资源, 1994, 0(2): 1-10,18 |
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| 作者姓名： | 廖宗廷 张起钻 |
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| 作者单位： | 同济大学海洋地质及地球物理系(廖宗廷，陈焕疆)，广西有色地质勘查局(张起钻)，广西有色地质勘查局(罗德宣) |
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| 摘 要： | 通过野外地质、岩石化学、稀土配分、微量元素等的综合分析表明,桂北四堡群火山岩形成于火山岛弧的构造环境,由四堡群组成的地质体是中元古代位于扬子大陆边缘以南的岛弧地体,中元古代末期该地体与扬子大陆边缘发生碰撞拼贴造山作用,这一作用决定了中、晚元古代桂北及邻区的大陆边缘构造及其演化过程。
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| 关 键 词： | 火山岩 构造环境 四堡群 构造意义 |
THE TECTONIC SETTING AND SIGNIFICANCE OF VOLCANIC ROCKS IN NORTHERN GUANGXI |
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| Liao Zongting Chen Huang]ing. THE TECTONIC SETTING AND SIGNIFICANCE OF VOLCANIC ROCKS IN NORTHERN GUANGXI[J]. Shanghai Land & Resource, 1994, 0(2): 1-10,18 |
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| Authors: | Liao Zongting Chen Huang]ing |
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| Abstract: | Sibao Group located in Northern Guangxi Mainly consists of a suit of ultrabasic and volcanic rocks and flysch formations of middle proteroxzic erathem the strdying results of volcanic rocks in reology and geochemistry show that they were formed in the teetonic settin of volcanic arc The Geologic body to be composed of sibao group is a terrane of volcanic arc it came into collision iwth yangtxe continental margin and building mountain the contvolled the crust tectonics and evolution of the nORTHERN gUANGXI AND ITS ADJACENT REGION IN mIDDLE-Late Proterozic Era, |
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| Keywords: | volcanic rock tectonic setting Sibao Group. |
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