高温稳定的溶液或固溶体，在低温时不稳定，分离为两个溶液或固相的现象。前者又称为液态分离作用，后者则称出溶作用(exsolution)、固溶体分离(unmixing of solid solution)。
壳源组分的加入是促进岩浆熔离作用的重要因素。
The addition of the crustal materials into the magma played an important role in promoting the liquation processes.
岩浆起源于上地幔，属于拉斑玄武岩系列，发生过金属硫化物的熔离作用。
The magma originated from the upper mantle and belongs to the tholeiitic series which has undergone immiscible separation of metal sulfide.
“熔离小球”按成分可分为3种类型：（1）高铁钛小球；（2）硫铁镍小球；（3）浅色硅铝质小球。
According to the major element compositions, three types of balls can be divided:(1)high Fe-Ti balls; (2)S-Fe-Ni balls; (3)light-coloreds.
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