摘要
文章通过分析宣化区泥岩的成分、微量元素及泥岩类型等特征,得出结论:该区泥岩主要形成弱碱性弱还原下的内陆淡水湖泊中。这对恢复该区古环境和掌握煤系的聚煤规律着非常重要的意义。
Through analyzing shale composition,trace elements,authigenic minerals other characteristics in Xuanhua area,concluded that the mudstone mainly formed under weakly alkaline weak reduction of inland freshwater lakes,which had important significance for restoration of the ancient environment area and mastering coal accumulating law.
出处
《煤炭与化工》
CAS
2013年第3期7-8,49,共3页
Coal and Chemical Industry
关键词
煤田
泥岩
古环境
聚煤规律
coal field
mudstone
the ancient environment
