The clinopyroxene(Cpx) xenocrysts of diopsides with reversal zoned structure are rich in FeO,MnO,Na2O,and Al2O3 in the cores,implying that they could come from the crust.

• 单斜辉石捕虏晶为透辉石,具有反环带结构,核部具有较高的FeO,MnO,Na2O,Al2O3质量分数,反映了壳源成因;