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运用煤田构造及构造控煤分析方法,在系统分析木里煤田构造格局的基础上,提出该区煤田构造具有分带分段的特征,自南向北划分为南、中、北三个构造带,自西向东分为西、中、东三个段,并分别讨论了它们的煤系赋存与地质构造之间的关系。研究认为:木里煤田为一对冲型盆地,在大通山和托莱山的山前地带,逆冲断裂发育强烈,煤层被抬升,埋藏变浅,利于开采,但破坏较为严重;在中部地带,由于受地应力影响较小,含煤向斜保存较为完整,但煤层埋藏较深。
Based on the systematical analysis of tectonic framework of MuLi coalfield, based on coalfield tectonics and tectonic coal control analysis, it is proposed that the coalfield structure in this area has the characteristics of zonal subdivision. It is divided into south, middle and north tectonic belts from south to north, It is divided into three sections: west, middle and east from west to east, and discusses their relationship between coal-bearing and geological structure respectively. The study shows that: the Muli coalfield is a hedge basin. In the piedmont belt of Datong Mountain and Toraai Mountain, thrust development is strongly developed, the coal seam is lifted and the burial depth is shallow, which is favorable for mining but with serious damage. In the central area, Affected by the less stress, coal-bearing syncline preservation is more complete, but the deeper buried coal seam.