本溪组成矿系列主要有G层铝土矿，其次是山西式铁矿、硬质耐火粘土矿、软质耐火粘土矿和伴生镓元素。
The minerogenetic series of the Benxi Formation mainly includes G-bed bauxite , followed by Shanxi - type iron ores , stiff fireclay , soft fireclay , and associated gallium elements .
硬质耐火粘土