plutonism
/ˈpluːtənɪzəm/noun
mass noun
1- Geology the formation of intrusive igneous rocks by solidification of magma beneath the earth's surface【地质】深成现象。
1.1
Plutonism
historical the theory (now accepted) that rocks such as granite were formed by solidification from the molten state, as proposed by James Hutton and others, rather than by precipitation from the sea〈史〉火成论。比较NEPTUNISM.
派生词