M岩体的铀矿化，除少数形成于加里东晚期（地槽阶段）外，主要形成在喜马拉雅期（地洼阶段）。
Uranium mineralization in M body , in addition to the small amounts during late Caledonian ( geosyneline stage ), are mainly developed during Himalayan stage ( diwa stage ) .
加里东阶段