彬长矿区小庄煤矿构造发育特征及其对开采的影响分析
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摘要
为了查明彬长矿区小庄煤矿构造发育的特征,依据小庄煤矿以往地质勘查、建井及生产过程中的地质构造资料,运用统计分析的方法研究了矿区内褶皱和断层的发育特征及空间展布规律,结果显示:该矿区地质构造以NEE向宽缓褶皱构造为主,其间发育有NWW-EW向中小型褶曲,并伴有小型断裂构造,具有明显的南北分带性;NEE向褶皱和NWW-EW向褶曲在平面上具有近似平行排列的特点,并与井田南部NE向高角度正断层交错分布,个别褶曲被断层切割破坏,并分析了构造对煤矿开采的影响。
In order to find out the characteristics of the tectonic development of Xiaozhuang Coal Mine in Binchang mining area, based on the geological structure data in the previous geological exploration, well construction and production process of Xiaozhuang Coal Mine, the development characteristics and space distribution law of folds and faults in the mining area were studied by using statistical analysis method, the results showed that the geological structure of the mining area was dominated by wide and flat fold structures towards NEE direction, and there were also small-medium-sized fold towards NWW-EW direction accompanied by small-sized fault structures, and the geological structure of the mining area had obvious north-south zonality; the folds towards NEE direction was approximately parallel to the folds towards NWW-EW direction on the plane, and intersected with the high-angle normal faults towards NE direction in the southern part of the mine field, some folds were destroyed by the fault and the influence of the structure on the coal mining was analyzed.
In order to find out the characteristics of the tectonic development of Xiaozhuang Coal Mine in Binchang mining area, based on the geological structure data in the previous geological exploration, well construction and production process of Xiaozhuang Coal Mine, the development characteristics and space distribution law of folds and faults in the mining area were studied by using statistical analysis method, the results showed that the geological structure of the mining area was dominated by wide and flat fold structures towards NEE direction, and there were also small-medium-sized fold towards NWW-EW direction accompanied by small-sized fault structures, and the geological structure of the mining area had obvious north-south zonality; the folds towards NEE direction was approximately parallel to the folds towards NWW-EW direction on the plane, and intersected with the high-angle normal faults towards NE direction in the southern part of the mine field, some folds were destroyed by the fault and the influence of the structure on the coal mining was analyzed.
引文
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