what can form deep insides earths crust by crystallisation of melted materials
well it melted the insides of mine
Lava....when its under the earths crust its called magma.
magma
the batcave
LAva
Melted, plasticlike rocks
Volcanoes do not cause rocks to melt, they are just the exit where melted rock come to the earths surface.
No it is really subduction
volcano
mama also known as lava it's melted rock and other things and is from the earths mantle located under the crust
rigid
extrusive- when melted rock material coools on earths surface instursive-when the melt cools below earths surface