Definition, Meaning & Synonyms

metamorphic rock

Noun

/ˌmɛtəˈmɔrfɪk rɒk/

Definition

A type of rock that has been transformed from its original form through heat, pressure, and chemical processes.

Examples

Slate is a common example of a metamorphic rock that originates from shale.
Marble, which is formed from limestone, is another well-known metamorphic rock.
Geologists study metamorphic rocks to learn about the conditions present during their formation.

Meaning

Metamorphic rocks are formed when existing rocks change due to extreme conditions, typically deep within the Earth’s crust. This transformation can alter the rock’s mineral composition, structure, and texture.