魏竣滨,韩培亮

• 1:内蒙古矿业开发有限责任公司
• 2:太原理工大学矿业工程学院

摘要(Abstract)：

以沁水东南部15号富锂煤为研究对象，采用显微光学、XRD等技术方法开展了宏观煤岩特征、显微煤岩特征、煤质特征和煤相研究。结果表明，沁水东南太原组15号煤属低水分、低灰分、低挥发分、高硫贫煤。宏观煤岩类型以半亮型、半暗型煤为主；显微煤岩组分以镜质组为主，惰质组次之，壳质组少见；无机显微组分以高岭石等黏土矿物为主，可见方解石、黄铁矿、石英、菱铁矿、石膏和锆石等矿物。15号煤形成于滨岸带沉积体系。古沉积环境主要为潮湿-浅覆水、强活水环境的开放沼泽相；植物组织保存程度较低，植物以水生或草本植物为主；成煤泥炭沼泽环境受地下水影响较小，海水影响较大，物源供给具有多元性。

关键词(KeyWords)： 富锂煤;煤岩学;煤相;古沉积环境;沁水盆地

Abstract:

Keywords:

基金项目(Foundation): 山西省自然科学基金（202203021221077,201901D111050）

作者(Author): 魏竣滨,韩培亮

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