摘要
对金沙木孔煤矿可采煤层的常量元素分析,利用硫分、C/S值、灰成分作为参照指数,讨论金沙木孔煤矿可采煤层的沉积环境。金沙木孔煤矿上煤组2、3和4号煤层形成于陆源物质供给较丰富,盐度低、弱还原的下三角洲泥炭沼泽环境;而5和7号煤层形成于盐度中等,弱还原受到海水影响较大的泻湖相泥炭沼泽环境。
In this paper, the macroelement of workable coal of Mukong coal mine is analysed, sulfur, c/s value and grey are used as reference index, the sedimentary environment of workable coal is discussed. The coal No.2, 3 and 4 formed in delta peat swamp where has rich continental material supply, low salinity and weak reduction. Coal seam No.5 and 7 formed in lagoon facies peat swamp with medium salinity and weak re- duction which is effected by sea water.
出处
《贵州地质》
2013年第4期266-270,共5页
Guizhou Geology
关键词
煤层
常量元素
沉积环境
贵州
Coal
Macroelement
Sedimentary environment
Guizhou
