serpentinize

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、绿帘石化的白云石英大理岩组成,其成因为区—共同作用而形成。