| 新疆巴楚地区共轭膝折带的物理模拟研究 |
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| 引用本文： | 闫淑玉,张进江,张波,孟树,王晓先.新疆巴楚地区共轭膝折带的物理模拟研究[J].大地构造与成矿学,2011,35(1):24-31. |
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| 作者姓名： | 闫淑玉 张进江 张波 孟树 王晓先 |
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| 作者单位： | 北京大学,地球与空间科学学院,造山带与地壳演化教育部重点实验室,北京,100871 |
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| 基金项目： | 中石化技术开发(委托)项目 |
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| 摘 要： | 本文以塔里木地区巴楚隆起地层及构造为原型,设计了3层结构模型:底部为黄油层,作为滑脱层;中间为黏土层,模拟该地区膝折发育的地层;上部为细砂层,模拟上部松散沉积.研究了挤压速率、黄油层厚度、砂层厚度等因素对共轭膝折带形成的影响,对共轭膝折带的形成和演化阶段进行分析.结果表明:形成膝折带的有利条件是较厚的基底滑脱单元、上覆...
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| 关 键 词： | 巴楚地区 共轭膝折带 物理模拟 |
Physical Modeling for Kink Bands in the Bachu Uplift Belt in Tarim Basin,China |
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| YAN Shuyu,ZHANG Jinjiang,ZHANG Bo,MENG Shu,WANG Xiaoxian.Physical Modeling for Kink Bands in the Bachu Uplift Belt in Tarim Basin,China[J].Geotectonica et Metallogenia,2011,35(1):24-31. |
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| Authors: | YAN Shuyu ZHANG Jinjiang ZHANG Bo MENG Shu WANG Xiaoxian |
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| Institution: | YAN Shuyu,ZHANG Jinjiang,ZHANG Bo,MENG Shu and WANG Xiaoxian(Key Laboratory of Orogenic Belts and Crustal Evolution under Ministry of Education & School of Earth and Space Sciences,Peking University,Beijing 100871,China) |
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| Abstract: | Kink-bands are tabular fold-zones that commonly occur as conjugate sets. The Bachu uplift belt in the western segment of the Tazhong is interpreted to be constituted by series of kink-style detachment folds. A 3-layer structure model was designed based on the segment and deformation of the Bachu uplift:a butter layer as a slip layer at the bottom part; 8 or 10 layers of clay in the middle part to simulate the kink-bands; a fine sand layer in the upper part to simulate the deformation of the loose sediments.... |
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| Keywords: | physical modeling kink-band Bachu uplift |
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