苏长岩
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苏长岩-
辉长苏长岩的稀土和微量元素地球化学特征在100MgO/（MgO+TFeO）图解上显示岛弧型特点，且UMA表明其堆积特性。
Major element geochemistry of the gabbronorite and the UMA , plotted on the variation diagram of 100 MgO / ( MgO + TFeO ) versus oxides , is explained by cumulate and non - cumulate model .
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前者包括（石英）辉长苏长岩、辉长岩及辉长辉绿（玢）岩；
The former include ( quartz - ) gabbro-norite , gabbro , gabbro-diabase ( porphyrite ) .
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岩石组合一般有二辉橄榄岩-橄榄二辉岩-二辉岩等岩相；镁铁质岩石组合一般有辉绿辉长岩相、辉长岩相、苏长岩-辉长岩-闪长岩相。
Rock combination generally have lherzolite-olive two pyroxenite-two metamorphic facies ; Mafic rocks combination generally have bright green gabbro , gabbro , norite-gabbro diorite .