| 中条山西南段基底岩系的地质特征 |
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| 引用本文： | 张兆琪, 薛文彦, 柴金钟, 魏云峰. 中条山西南段基底岩系的地质特征[J]. 华北地质, 2003, (4): 193-199. doi: 10.3969/j.issn.1672-4135.2003.04.001 |
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| 作者姓名： | 张兆琪 薛文彦 柴金钟 魏云峰 |
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| 作者单位： | 山西省地质调查院,太原,03001; 山西省地质调查院,太原,03001; 山西省地质调查院,太原,03001; 山西省地质调查院,太原,03001 |
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| 摘 要： | 山西中条山西南段基底岩系的基本构成是:涑水岩群、西姚片麻岩、解州片麻岩和五老峰花岗岩.涑水岩群残存于西姚片麻岩之中,是由斜长角闪岩、磁铁石英岩、黑云变粒岩、钙质片岩和白云质大理岩组成.斜长角闪岩为区内最早的基性火山沉积,是铜矿形成的矿源层,吕梁(中条)期造山运动为铜矿的再次富集起到关键性作用.区内主体片麻岩为西姚片麻岩(TTG),发生岩浆垫托作用的时间为太古宙末.基底岩系经历了三次构造变形,相应划分为五台期构造变形、吕梁(中条)期构造变形和吕梁(中条)期后构造变形.
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| 关 键 词： | 基底岩系 涑水岩群 铜矿 构造变形 中条山西南段 |
| 文章编号： | 1007-6956(2003)04-0193-07 |
| 修稿时间： | 2003-07-18 |
Features of the Basement Rocks in South-western Part of Zhongtiao Mountains |
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| Features of the Basement Rocks in South-western Part of Zhongtiao Mountains[J]. North China Geology, 2003, (4): 193-199. doi: 10.3969/j.issn.1672-4135.2003.04.001 |
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| Authors: | ZHANG Zhao-qi XUE Wen-yan CHAI Jin-zhong WEI Yun-feng |
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| Abstract: | The basement in the southwestern part of Zhongtiao Mt. is basically composed of Shushui Rock Group, Xiyao gneiss, Xiezhou gneiss and Wulaofeng granite. Shushui rock group remains in Xiyao gneiss, and made up of amphibolite, magnetite quartzite, biotite granulite, calc-schist and dolomitic marble. The amphibolite is the earliest basic volcanic sedimentary rock in the eara. And it's the source bed of the copper ore. The copper ore was enriched during the Zhongtiao oroganic movement. Xiyao gneiss is the main rock (TTG) in the region. This magnetic cushion formed at the end of Archean. The basement came through three times of tectonic deformation. They are thought to be Wutai, Zhongtiao and post-Zhongtiao periods. |
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| Keywords: | Zhongtiao Mt. Shushui Rock Group copper ore tectonic deformation |
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