They formed when the magma cools and crystallizes on the surface of the Earth.
These rocks will reach the Earth’s surface through the process of uplifting - a force that pulls the crust apart and lets the rocks from the underground to be brought up.
Hot molten magma will be brought up to the Earth’s surface through uplifting.
Magma is being brought up to the surface through a volcano.
Formation of intrusive igneous rocks or plutonic rocks came from the solidification of magma beneath the Earth’s surface.
Lava - streams of molten rocks that cool and solidify to form extrusive igneous rocks.
Formation of basalt, andesite, rhyolite and scoria takes place.
Formation of diorite, granite and gabbro occurs.
Rocks are formed beneath the Earth's surface
