It composed mainly of serpentinized and epidotization marble.It was formed by regional and contact metamorphism.The Lantian Jade is denominated serpentinized and epidotized dolomite quartz marble.
该矿床主要由蛇纹石化、帘石化的白云质石英大理岩组
,其
因为区
变质—接触交代变质共同作用而
。