神东矿区煤岩学特征及煤相Coal Petrological Characteristics and Coal Facies in Shendong Mining Area
王绍清,唐跃刚
摘要(Abstract):
应用煤岩学方法,探讨了神东矿区煤的煤岩学特征及煤相划分方法,确定了煤相类型划分参数。研究表明,神东矿区煤显微组分中,半镜质组、半丝质体和粗粒体-1等过渡组分的含量高。煤相划分为3种类型,即干燥泥炭沼泽相(细分两个亚相:高位泥炭沼泽亚相和过渡泥炭沼泽亚相)和潮湿森林泥炭沼泽相,干燥泥炭沼泽相是其主要煤相。煤相类型垂向上分布特征表明其成煤环境由干燥到浅覆水再向干燥过渡。
关键词(KeyWords): 煤岩;煤相;神东矿区
基金项目(Foundation):
作者(Author): 王绍清,唐跃刚
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