Magmatic rocks /ˈmæɡˌmætɪk rɒks/ – mineral associations formed as a result of solidification (crystallization) of magma. In the interior of the Earth, magma crystallizes completely and holocrystalline (intrusive, plutonic) rocks are formed.
Ex. Magmatic rocks play an important role in mining, as they are the main raw material base for the extraction of valuable minerals and minerals.