Rocas ígneas intrusivas
Abstract
Rocks are the aggregate of one or more minerals, which constitute the lithosphere and are
classified into three types: igneous, sedimentary and metamorphic.
Igneous rocks are formed inside the earth, by cooling and solidification of magma, its name
derives from the Greek etymology « ignis » means fire. They are divided into two groups:
1) extrusive rocks 2) intrusive rocks.
Some examples of intrusive igneous rocks are: granite, diorite, gabbro, peridotite, tonalite and
syenite.