煤田

Resinite is a rich n1aceral in Teriary humic coal,boghead-cannel coal and oil shale fromHuangxian Coalfield.

黄县第三纪腐殖、藻烛、油页岩显微组分富含树脂体。

The relationship between microlithotype and the distribution of cleat in coal bed is discussed through a case from Hedong coalfield, combining microstratigraphy and statistics methods.

摘利用显微地层学和统计学方法，以河东中北部8＃层为例，研究了层显微岩类层裂隙分布的关系。