This kind of unusual eclogite provides an opportunity to study the deep subduction of mafic lower continental crust and its recycling and effects on the mantle heterogeneity.

• 大别山这种不寻常的镁铁质下地壳俯冲成因榴辉岩为研究大陆深俯冲和陆壳物质再循环以及对地幔不均一性的影响提供了重要对象和可能性。