摘要
通过对陕西黄陇侏罗纪煤田陇县李家河勘查区3#煤层的物理性质、煤岩组成的分析,阐述了该区3#煤层的煤岩特征及变化规律。
The paper analyzed the physical properties and coal-rock constituents of No3 coal seam in Lijiahe exploration area of Huanglong Jurassic coalfield and researched the coal-rock characteristics and variation laws of No3 coal seam in the exploration area.
出处
《陕西煤炭》
2015年第4期66-67,59,共3页
Shaanxi Coal
关键词
李家河勘查区
3#煤层
煤岩组份
变化
Lijiahe exploration area
No3 coal seam
maceral
variation
