鸡西盆地永庆一区古火山喷发特征

Ancient Volcano Eruption Features in YongqingⅠArea Jixi Basin

鸡西盆地永庆一区古近系褐煤资源储量丰富,是鸡西盆地重要煤炭后备基地,本文通过对永庆一区古火山喷发特征分析,阐述了火山喷发类型及火山岩岩石组合特点,火山管道的规模,火山通道与构造关系,火山喷发对区内煤层、煤质的影响及火山喷发与岩床侵入的关系等。

As Paleogene lignite resource rich reserve, Jixi basin Yongqing I Area is the important coal base. By the analysis of ancient volcano eruption characteristics in Yongqing I Area ,this article states the volcano eruption types, volcano rock assemblage characteristics, the size of volcano pipes, the relation of volcano channels and structures, the effects of volcano eruptions on the coal quality and seams in the area, the relation of the volcano eruptions and bedrock intrusions in the area and so on.