On the basis of summarizing former relative works, this paper manily discusses the PGE distribution in ultramafic rock and the behaviour during partial melting, crystal frac-tionation, and alteration.

• 在总结前人工作的基础上,论述了PGE在超镁铁岩中的分布范围以及在部分熔融、结晶分异和蚀变作用过程中的行为规律。