| 河南箕山南部煤田的重力滑脱构造 |
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| 引用本文： | 李公明.河南箕山南部煤田的重力滑脱构造[J].中国煤炭地质,2011(1):6-11. |
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| 作者姓名： | 李公明 |
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| 作者单位： | 河南省煤田地质局一队,河南新郑451150 |
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| 摘 要： | 河南箕山南部的牛山矿区赋存着丰富的石炭—二叠系煤炭资源。重力滑脱构造将该区煤系地层分成上下2种不同构造组合型式,并成为该区控制煤层空间展布的主要构造因素。采用空间几何分析、力学分析和历史分析等构造解析的基本思路和方法,系统描述了区内滑脱构造发育的几何特征,提出了＂后退叠置型＂重力滑脱构造模型和控煤模式,并分析了其形成机制,对箕山南部滑脱构造研究及该区的煤田勘查具有借鉴意义。
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| 关 键 词： | 滑脱构造 构造运动 后退叠置 箕山牛山矿区 |
Gravity Decollement Structures in Jishan Southern Coalfield,Henan |
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| Li Gongming.Gravity Decollement Structures in Jishan Southern Coalfield,Henan[J].Coal Geology of China,2011(1):6-11. |
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| Authors: | Li Gongming |
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| Institution: | Li Gongming(The First Exploration Team,Henan Bureau of Coal Geological Exploration,Xinzheng,Henan 451150) |
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| Abstract: | The Niushan mine area in Jishan southern coalfield has hosted abundant Permo-Carboniferous coal resources.The gravity decollement structures have divided coal measures strata into two different tectonic association patterns,and thus the main structural factor to control coal seam spatial spreading.To use basic idea and method of structural analysis including spatial geometric,mechanical and historical analyses,systematically described decollement developing geometric characteristics in the area.A model of ＂retrograding superimposed＂ gravity decollement and coal controlling mode put forward,and analyzed its formation mechanism,thus has reference value in decollement study in the Jishan southern coalfield and coal exploration in the area. |
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| Keywords: | decollement tectonic movement retrograding superimposition Niushan mine area in Jishan southern coalfield |
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