【摘要】 本文应用岩石学研究方法对河南永夏煤田新桥井田的天然焦进行了宏观特征、显微组分、反射率测定等研究,划分出两种不同类型的天然焦,确定了组成天然焦的七种组分、三种新生组分以及天然焦中矿物杂质及气孔构造,并分别进行了论述.更多还原

【Abstract】 Through studies on the ocular charicteristics, maceral, reflectivity of natural coke in Xingqiao area Yongxia coalfield in Henan province with the method for petrology, this paper classifies the natural coke in the area into two types. Both of them consist of seven macerals, mineral substance and vent, in which three kinds macerals were produced in the development period of the natural coke .更多还原