metasomatism

/met-uh-soh-muh-tiz-uhm/US // ˌmɛt əˈsoʊ məˌtɪz əm //UK // (ˌmɛtəˈsəʊməˌtɪzəm) //

变质作用,变质反应,变态作用,后生代

Definitions

n.名词 noun

1
Geology.
- : the series of metamorphic processes whereby chemical changes occur in minerals or rocks as a result of the introduction of material, often in hot aqueous solutions, from external sources.
- : replacement.