It shows higher contents of Cu, Pb, Zn and A. The stratabound polymetallic deposits in the Langshan Group were just formed in the taphrogenic trough developing on the crystalline basement composed of this kind of complex.

• 狼山主峰变质杂岩是该区的结晶基底,中元古代狼山群中的层控多金属矿床,就是在该基底上发育的裂陷槽中形成的。 结晶基底自身的岩石中,Cu、Pb、Zn、Au等元素含量均较高,亦具有一定的找矿前景。