豫西告成煤矿滑动构造区瓦斯赋存特征
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摘要
地质构造是煤与瓦斯突出的控制因素,豫西煤田中滑动构造普遍发育。运用区域构造演化、瓦斯赋存构造逐级控制理论,在系统分析煤田地质勘探和矿井揭露的瓦斯地质资料的基础上,研究了告成煤矿滑动构造的形成机制及其对煤系、煤层和瓦斯赋存的控制作用。告成煤矿位于芦店滑动构造的西部,受两期滑动构造的影响,煤层厚度变化剧烈,构造煤成层发育,煤层顶板结构形成了张性角砾岩、断层泥和张性角砾岩复合、原生顶板(深灰色细砂岩)、剪切角砾岩4种破坏类型,控制着瓦斯逸散、富集和煤与瓦斯区域突出危险性的分布。
Geological structure is the master control factor to influence coal and gas outburst.Gliding structures developed widely in western Henan coal field. The mechanism of gliding structure and its control on coal measures,coal seam and gas deposit are researched based on the theory of plate structure and the region tectonic evolvement,collation data systematically about coalfield geological prospecting and plenty of gas geological data that mine disclosed.Gaocheng coal mine located at the western Ludian gliding structure,which is influenced by gliding structural movements two times.The thickness of coal seam changed acutely and the structure coal developed by layer.The roof structure of coal seam can be divided into four failure types,including tensile breccia,fault gouge and breccia,original roof rock,and shear breccia,as well as the gas release and enrichment and the distribution of coal and gas outburst hazard region are controlled by gliding structure.
Geological structure is the master control factor to influence coal and gas outburst.Gliding structures developed widely in western Henan coal field. The mechanism of gliding structure and its control on coal measures,coal seam and gas deposit are researched based on the theory of plate structure and the region tectonic evolvement,collation data systematically about coalfield geological prospecting and plenty of gas geological data that mine disclosed.Gaocheng coal mine located at the western Ludian gliding structure,which is influenced by gliding structural movements two times.The thickness of coal seam changed acutely and the structure coal developed by layer.The roof structure of coal seam can be divided into four failure types,including tensile breccia,fault gouge and breccia,original roof rock,and shear breccia,as well as the gas release and enrichment and the distribution of coal and gas outburst hazard region are controlled by gliding structure.
引文
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[2]马杏桓.嵩山构造变形—重力构造[M].北京:地质出版社,1981.
[3]曹代勇,王昌贤.豫西煤田重力滑动构造形成条件分析[J].河南地质,1994,12(1):28-35.
[4]李万程.重力滑动构造的成因类型[J].煤田地质与勘探,1995,23(1):19-24.
[5]彭立世,陈凯德.顺层滑动构造与瓦斯突出机制[J].焦作矿业学院学报,1988(2):10-16.
[6]曹运兴,彭立世.顺层断层的基本类型及其对瓦斯突出带的控制作用[J].煤炭学报,1995,20(4):413-417.
[7]张子敏,张玉贵.大平煤矿特大型煤与瓦斯突出瓦斯地质分析[J].煤炭学报,2005,30(2):137-140.
[8]王志荣,郎东升,刘士军,等.豫西芦店滑动构造区瓦斯地质灾害的构造控制作用[J].煤炭学报,2006,31(5):553-557.
[9]张子敏,张玉贵.瓦斯地质规律与瓦斯预测[M].北京:煤炭工业出版社,2005.
[10]焦作矿业学院瓦斯地质研究室.瓦斯地质概论[M].北京:煤炭工业出版社,1990.
[11]张国伟,张本仁,袁学诚,等.秦岭造山带与大陆动力学[M].北京:科学出版社,1991.
[12]马杏垣.中国地质历史过程中的裂陷作用[C]∥国家地震局地质研究所.现代地壳运动研究.北京:地震出版社,1985.
[13]朱志澄.构造地质学[M].北京:中国地质大学出版社,1990.
[14]周世宁,林柏泉.煤层瓦斯赋存与流动理论[M].北京:煤炭工业出版社,1999.
[15]张玉贵.构造煤演化与力化学作用[D].太原:太原理工大学,2006.
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