镁铝榴石形成于滇东南晚第三纪岩简状的玄武质次火山角砾岩中,角砾岩成分复杂,其中包含有镁铝榴石和铬透辉石等可作宝石材料利用的角砾和晶屑。
The rubbles and crpetals of prrope and chrome-diopsidewhich can be used as gem materials are found in the breccias whose component is very complex.
受砾屑硅质岩、含砾砂屑硅质岩控制。
受砾屑硅质岩、含砾砂屑硅质岩控制。
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