Definition, Meaning & Synonyms

pluton

Noun
ˈpluː.tɒn
Definition
A pluton is a body of intrusive igneous rock that has crystallized from molten magma deep within the Earth’s crust.
Examples
  • The Sierra Nevada Mountains contain several famous plutons, such as Half Dome.
  • Geologists study plutons to understand the history of volcanic activity in an area.
Meaning
Plutons form when magma cools and solidifies below the surface, often resulting in large, dense formations of igneous rock.
Synonyms
  • Intrusive rock mass
  • Igneous formation