Beishan deposit which located on the most north part of yinshan deposit has an independent change trend high to low in ore - forming temperature with from east to west in pace . this indicates that quartz porphyry 5 # may be the mineralization center of beishan deposit 本文通过流体包裹体显微测温学研究得出初步结论，北山矿床成矿温度从东到西呈由高到低的变化趋势，表明北山的5 #石英斑岩是北山矿床成矿作用的中心。
