metasomatism

Noun

Meaning

An alteration in a mineral or rock mass when involving a chemical change of the substance, as of chrysolite to serpentine; -- opposed to ordinary metamorphism, as implying simply a recrystallization.

Examples

There is also a tendency for metasomatism between the igneous magma and sedimentary country rock, whereby the chemicals in each are exchanged or introduced into the other. Source: Internet

Metasomatism is the drastic change in the bulk chemical composition of a rock that often occurs during the processes of metamorphism. Source: Internet

Metasomatism will change the original composition. Source: Internet

The formation of important ore minerals may occur by the process of metasomatism at or near the contact zone. Source: Internet

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