by melting and cooling
Melting and cooling
Rocks formed by crystallization from a melt (magma).
Melting.
An extrusive igneous rock.
by melting and cooling
By melting and cooling
By melting and cooling
By melting and cooling
Igneous rock.
Rock metamorphism does not involve melting and cooling from melt. A rock that has melted can only become an igneous rock.
A metamorphic rock can become a igneous rock by melting and cooling
By a process of melting and re-solidification of the melt produced..
Igneous
Melting and cooling
Melting and cooling
Igneous rocks