【摘要】 依据煤的宏观煤岩成分与显微煤岩类型分析、测定及煤相划分标志，将龙凤矿主要煤层划分为４种煤相，解决了南、北两翼煤层群对比问题。实践中应用煤岩特征标志层有效地控制了煤层层位。更多还原

【Abstract】 Based on the macroscopic analysis of ingre dient, the microscopie analysis ofrock type and the sigh of coaly facies partition, the main Coal seams in Longfeng Coal Mineare divided into four types,thus the pooblem of coal seams’correlarion between south andnorth wing bas been solved,In practice by using the key beds of coal and rock feature thecoal seam horizon can be controlled effectivelly.更多还原