The core
the mantle
Lava....when its under the earths crust its called magma.
A hardened layer of magma is called a lava flow or volcanic rock.
magma
magma
Tectonic Plates are part of the crust, and floats on the semi-molten rock magma layer.
Lava
It is called magma
Intrusive rock
If it were molten, it would be called magma.
LAva
Intrusive igneous rock