Which Are Used to Classify Plutons?

Plutons are intrusive igneous rock bodies. They are classified by size, shape, and relationship to the surrounding rock.

What are the 4 types of plutons?

The most common rock types in plutons are granite, granodiorite, tonalite, monzonite, and quartz diorite.

How are plutonic rocks classified?

Igneous rocks may be divided into two categories. Intrusive or plutonic rocks crystallize from magma beneath the earth's surface. Extrusive or volcanic rocks crystallize from lava at the earth's surface. ... In addition to texture, igneous rocks may are classified according to their chemical composition.