xiaoqinling gold mine field 基本例句 小秦岭金矿田 On the basis of the evolutional history of faults,the host faults in Xiaoqinling goldfield,are classified into two types.Their different orecontrol significances are pointed out.根据断裂的演化历史,将河南小秦岭金矿田的容矿断裂划分为两类,指出了它们不同的控矿意义。