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
石英大理岩组成,
成因为区域变
—接触交代变
共同作用而形成。