Lava....when its under the earths crust its called magma.
magma
LAva
it is just called molten rock, and it comes out of the Earths crust via volcanoes. you can also say that its melted lava
Volcanoes do not cause rocks to melt, they are just the exit where melted rock come to the earths surface.
Melted rock beneath the earth is called magma.
Melted rock that flows out of the Earth's surface is called lava. Lava is molten rock that erupts from a volcano or fissure and is typically hot enough to flow downhill before cooling and solidifying.
a Obsidion rock
the batcave
a Obsidion rock
volcano
i think the answer your looking for is igneous rock.....that is the type of rock you get after megma cools.....
mama also known as lava it's melted rock and other things and is from the earths mantle located under the crust