江油泥盆系金宝石组石英砂岩特征及用途

Characteristics and Application of Devonian Jinbaoshi Formation Quartz Sandstone in Jiangyou

江油二郎庙地区石英砂岩赋存于泥盆系中统金宝石组地层中,厚60-110m。样品分析结果显示,SiO2含量96.93~99.70%,平均98.38%;Fe2O3含量为0.03~0.69%,平均0.14%;A12O3含量为0.13~0.98%;CaO含量为0.02~0.61%;MgO含量0.01~0.38%;烧失量0.07-1.18%;n值为58.0~617.5。可以满足平板玻璃、器皿玻璃、耐火材料,铸造以及硅质校正原料等行业对石英砂岩各成分含量的要求。对区域上金宝石组石英砂岩的用途具有参考意义。

Quartz sandstone in the Erlang Miao area is hosted in the Middle Devonian gold gem formation,thick 60-110m.The results of sample analysis show that the content of SiO2 is 96.93~99.70%,with an average of 98.38%;Fe2O3 content is 0.03~0.69%,average is 0.14%;A12O3 content is 0.13~0.98%,average is 0.40%;CaO content is 0.02~0.61%;MgO content is 0.01~0.38%;LOSS content is 0.07-1.18%;and the n value is 58.0-617.5.It can meet the requirements of various components of quartz sandstone in plate glass,utensil glass,refractory,casting and silicon correction raw materials industries.It can be used as a reference for the application of quartz sandstone in jinbaoshi formation.