-
A sedimentary rock is formed by sediments being compacted and cemented together, which is called 'metamorphism'.
-
Metamorphic rocks are made by heat and pressure which is called 'metamorphism'.
-
Magma is made of melted metamorphic rocks.
-
Igneous rocks are formed by colleding magma. Intrusive igneous rocks are made by crystallization whereas Extrusive igneous rocks are made by consolidation.
-
Sediments are made of igneous rocks that have been affected by weathering and errosion.
