山西西山煤田7号煤层成因类型研究A Study on Genetic Type of No.7 Coal Seam in Xishan Coalfield,Shanxi Province
赵文军,蔡为民,方爱民
摘要(Abstract):
煤的成因类型通过煤的有机显微组成、矿物成分等来体现。从微观研究的角度出发,以各子样的显微煤岩组分统计值、镜惰比(V/I)、骨基比(F/M)、矿物质含量为依据,对西山煤田屯兰煤矿7号煤进行成因类型划分,分为4类6型,即Ⅰ-①、Ⅲ-①、Ⅲ-②、Ⅳ-①、Ⅳ-②、Ⅴ-①。自下而上对煤层划分了23个成因分层。7煤层以Ⅳ类成因类型为主,沉积了覆水森林沼泽环境。
关键词(KeyWords): 7号煤层;成因类型;森林沼泽环境;屯兰煤矿;西山煤田
基金项目(Foundation):
作者(Author): 赵文军,蔡为民,方爱民
参考文献(References):
- [1]Teichmiller M.Origin of the Petrographic Constituints of Coal[G].//(eds.Stach E,et al.)Stach's Textbook of Coal Petrology..1982.
- [2]Teichmiiller M,Teichmiiller R.1982.The Geological Basis of Coal Formation[G].//Stach E et al.Stach's Textbook of Coal Petrology.1982.
- [3]Phllips T L,Cross A T.Palaeobotany and Paleoecology of Coal[J].The Geo.Of North America,1991.2.
- [4]Scott A C.Coal and Coal-Bearing strata:Recent Advances[J].Geological Society Special Publication,1987,32:51-66.