The geotectonic background for copper-polymetallic mineralization in marine volcanic rocks of Paleozoic era,Beishan area,is expounde respectively according to synvolcanic and postvolcanic stages.

• 分同火山作用期和后火山作用期间述了北山地区古生代海相火山岩中铜-多金属成矿作用的构造背景。