金黄庄矿构造特征及其对矿井水和瓦斯的控制
Tectonic Characteristics of Jinhuangzhuang Coal Mine and Its Control on Mine Water and Gas
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摘要: 在分析金黄庄煤矿矿井构造特征及演化的基础上，探讨了矿井水和瓦斯赋存的构造控制机理。研究表明，在以印支、燕山和喜山期为主构造运动的作用下，矿井构造总体表现为向西凸出的弧形褶皱和逆冲断层，并受后期NE和NNE向为主正断层的改造，呈现出构造叠加、阶梯状断层组合和东西分异、南北分级的特征。矿井构造控制了矿井水文地质边界、地下水补、径、排等条件，而地质构造和地下水动力场的共同作用控制了矿井瓦斯的赋存。Abstract: On the basis of the analysis of characteristics and evolution of geological structure in Jinhuangzhuang Coal Mine, the mechanism of structural control on mine water and gas was discussed. The research reveals that the geological structure, formed during the Indosinian movement, Yanshan movement and Himalaya movement, is composed of arcuate folds and thrust faults that are superposed and transformed by later NE and NNE trending normal faults. It has the characteristics of tectonic superposition, step faults, E-W differentiation and N-S classification; the hydrogeological boundary, recharge, runoff and discharge of groundwater are controlled by geological structure, and gas occurrence is under the control of geological structure and hydrodynamic field.
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Keywords:
- tectonic characteristic /
- evolution /
- mine water /
- gas occurrence /
- control mechanism /
- geologic structure
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