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大别山毛屋、碧溪岭、南山岭镁铁-超镁铁岩与榴辉岩的关系代表了3种不同的产出关系,其原岩是基性岩浆结晶分异形成的层状堆晶岩,随扬子板块与华北板块碰撞俯冲进入120～150km以上的地幔条件下发生超高压变质作用,钛斜硅镁石+钛粒硅镁石+菱镁矿+贫铝辉石是镁铁-超镁铁岩典型的高压矿物组合,同时揭示含H_2O和CO_2等挥发份流体参与了超高压变质作用.
The relationship between Mao house, Bixi ridge, Nanshanling mafic-ultramafite and eclogites in the Dabie Mountains represents three different output relations. The original rock is a layered-type plutonic rock formed by the differentiation of basic magma crystals , The UHP metamorphism occurred under the collision and subduction of the Yangtze plate and the North China plate in the mantle above 120-150 km. Titanosite + titanium silicite + magnesite + alumite are mafic-ultramagnesium The typical high-pressure mineral assemblages of iron rocks show that the volatile fluids containing H 2 O and CO 2 are involved in the UHP metamorphism.