沁水煤田东缘15煤层厚度、煤质特征与沉积环境的关系

RELATIONSHIP BETWEEN THE DEPOSITIONAL ENVIROMENTS AND THE THICKNESS OF COAL AND PROPTERIS OF COAL QUALITY OF COAL SEAM No15 IN THE EAST OF QINSHUI COAL-FIELD

  • 摘要: 15煤层形成于障壁后泻湖充填的滨海平原上。受北低南高的古地形影响,煤层北厚南薄;与泥炭沼泽同期发育的河流使北部煤层变薄、分叉、缺失,灰分增高;煤层形成后被海相沉积覆盖,故煤层具高硫特征。

     

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