西宁煤田尔麻粘土矿特征

西宁煤田尔麻粘土矿为侏罗纪含煤地层的共生矿产,通过对尔麻粘土矿主矿层的矿床地质、矿石矿物、物化特征及显微结构的测定分析,评价了该地的矿石质量,指出尔麻粘土矿依其低—低中铁、少硫、硅铝比值适中、可塑性强、表面活性大等特征,可作为生产化工产品、耐火材料及器皿的原料。

Features of Clay Ore in Erma of Xining Coal-field

Clay ore in Erma of Xining Coal-field is associated mineral product of Jurassic coal-bearing strata. Through measure and analyses on geology of ore deposits, minerals of ore, physical and chemical features and micro-texture of main ore bed in Erma clay mine, the quality of ore in the place has been evaluated, and indicated that clay ore in Erma, there are features: low-middle content of iron, few sulfur, moderate silica-alumina ratio, strong plasticity, big activity of surface, and so forth, so can be raw materials to produce products of chemical industry, refractory material, and household utensils.