Definition, Meaning & Synonyms
plutonic
Adjective
/pluˈtɒnɪk/
Definition
Relating to igneous rock formed beneath the Earth’s surface.
Examples
- Granite is a common example of plutonic rock.
- The plutonic origin of the rock explains its large crystal formations.
- Many mountains are made of plutonic materials that have been thrust to the surface over time.
Meaning
The term ‘plutonic’ refers to rocks that crystallize from molten material deep within the Earth, typically resulting in a coarse-grained texture.
Synonyms
- Intrusive
- Subsurface
- Deep-seated
