【摘要】 本文着重研究分析了韩梁矿区岩浆岩与火山碎屑岩的岩性、产状和分布特征以及对煤层的影响。认为：岩性与产状不同，对煤层的破坏程度也不尽一致，对煤层影响较大且严重困扰煤炭生产的主要是该区南部呈岩床、岩墙产出的浅成侵入体。更多还原

【Abstract】 This article emphytically studies and analyzes the natures of igneous rocks, the condi-tions which it occurs, the features it distributes.and its influence to the coal layers. It is re-garded that:different natures and occured-conditions have various stages in attacking the coal layers.The biggest influence to coal layers and worst attack in coal mining occurs mainly in the southern area where the igneous rocks are low intrusive in condition of rock bed or rock walls.更多还原