noun
- processes by which the chemical composition of a rock is altered through the introduction of material from external sources
Usage: geology; technical
Examples
- The geologist studied various metasomatisms that had transformed the original limestone.
- Metasomatisms in the contact zone created valuable mineral deposits.
- The research focused on hydrothermal metasomatisms in volcanic regions.
- Different types of metasomatisms produce distinct mineral assemblages.
- The ore body formed through a series of metasomatisms over millions of years.