General Knowledge - World Geography - Discussion

Discussion Forum : World Geography - Section 2 (Q.No. 17)
17.
The metamorphism which involves the chemical replacement of elements in rock minerals when gases and liquids permute into bedrock is called
metasomatic metamorphism
dynamic metamorphism
thermal metamorphism
contact metamorphism
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
2 comments Page 1 of 1.

Satyajeit said:   1 decade ago
Metasomatism is a type of metamorphism in which chemical replacement happens. For example when a hot mass intrudes a cooler host rock they simply exchanges their ions. Marble are the best example when dykes intrudes Dolomite or limestone rock.

NEHA RAUT said:   1 decade ago
Metasomatism is the chemical alteration of a rock by hydrothermal.

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