The wide spatial and temporal distribution of alkaline magmatism shows that mantle metasomatism is a widespread, long-lived and continuous geological process.
碱性岩浆作用广泛的时空分布表明，地幔交代作用是广泛的，并且是长期的一种地质作用。
2
Exsolution and metasomatism of alkaline component plays a positive role in activation, leaching and precipitating, mineralization of gold during metamorphic process.