SC 06 - Lesson 02 - Igneous rocks

Basalt is not an intrusive igneous rocks.

Extrusive igneous rock form inside earth crust, while intrusive igneous form outside earth crust

Igneous rocks are formed when magma boil

Andesite (the rock in this picture) is an extrusive igneous rock.

There are 2 kinds of igneous rocks.

Intrusive igneous rocks form from magma cooling down quickly.

Extrusive igneous rocks is form from lava cooling

Magma is mainly found in the mantle and sometimes in lower earth's crust

The order of earth’s layers from outside to inside is as follow:Earth’s crust -> Mantle -> Inner core -> Outer core

Solidification describe the process of magma solidify to solid rock.