residual magma

美 [rɪˈzɪdʒuəl ˈmæɡmə]英 [rɪˈzɪdjuəl ˈmæɡmə]

residual magma

1

Fine-grained granite being the products of infiltration and injection from residual magma ;

细粒花岗岩，它是残余岩浆渗浸与注浸作用的产物；
2

Chemically they have higher Fe / ( Fe + Mg ), and are poor in Ti , Na , Mg , and Al reflecting the compositional characters of granitic residual magma .

其成分为高Fe（Fe+Mg）值和贫Ti、Na、Mg、Al，由此反映了花岗岩残余岩浆的成分特点。