摘要
由于含煤地层的成层性和煤层的生、储气性能以及软弱性特征,层间滑动断层是煤田中普遍存在的一种构造样式。层间滑动可引起煤层流变,构造煤是脆性变形体制下层滑引起的煤层流变最显著的特征之一。论述了荥巩煤田层间滑动断层对煤层、煤厚、煤岩和瓦斯等的影响,在层间滑动作用下,煤层流变造成了构造煤的发育和煤层形态、厚度的剧烈变化,也是导致煤层瓦斯突出的主因。
Due to the layered property of coal-bearing strata,the generation and reservoir of gas and the limpness characteristics of coal seam,the interlayer-gliding fault was an ubiquitous tectonic style in coalfield. The coal seam rheology can be caused by interlayer-gliding,the tectonic coal formed in the brittle deformation system was one of the most striking characteristics of the coal seam rheology caused by layer slip. The influences of the interlayer-rheology of Xinggong coalfield on coal seam,coal thickness and gas in Xinggong were discussed in this paper. Under the action of interlayer-gliding,the coal seam rheology leaded to the tectonic coal development and the large amplitude variations of coal seam form and thickness,and it also was the main cause of gas outburst.
出处
《中州煤炭》
2014年第4期99-103,共5页
Zhongzhou Coal
基金
河南省两权价款项目(豫国土资发[2012]80号)
关键词
荥巩煤田
层间滑动断层
煤层
Xinggong coalfield
interlayer-gliding fault
coal seam